What is the value of x?

What Is The Value Of X?

Answers

Answer 1

Answer:

C

Step-by-step explanation:

Answer 2
A. 50

Explanation:
180 - 70 = 110
110 + x + 20 = 180
x + 130 = 180
- 130 - 130
x = 50

Related Questions

No matter how many peanuts and raisins are exchanged, bob and mark will end up with the same number of each.

Answers

The statement implies that no matter how many peanuts and raisins are exchanged between Bob and Mark, they will always end up with an equal number of each. This suggests that the quantity of peanuts and raisins each person initially possesses is irrelevant to the final outcome.

This situation can be illustrated by the concept of a fair trade. If Bob and Mark exchange peanuts and raisins in such a way that the quantity exchanged maintains an equal number of each item for both individuals, the result will always be a balanced distribution.
For example, if Bob initially has 5 peanuts and 3 raisins, and Mark has 2 peanuts and 4 raisins, they can exchange 2 peanuts for 2 raisins. After the exchange, Bob will have 3 peanuts and 5 raisins, while Mark will have 4 peanuts and 2 raisins. The overall result is still an equal number of each item for both individuals.
This statement highlights the idea of fairness in the exchange of goods, where regardless of the initial quantities, the outcome ensures equality between the participants.

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1. How many numbers between 1 and 100 are not multiples of four? 2. Use the method of direct proof to prove that for any integer n, the integer m = (n-1)n(n + 1) is divisible by 3. Is m odd or even? 3. Use mathematical induction to prove that 4^n + 5 is divisible by 3 for any positive integer n.

Answers

P(k) => P(k+1) is true for any positive integer k, and P(1) is true. Therefore, by mathematical induction, P(n) is true for all positive integers n.

1. Numbers between 1 and 100 that are not multiples of four are as follows:1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 17, 18, 19, 21, 22, 23, 25, 26, 27, 29, 30, 31, 33, 34, 35, 37, 38, 39, 41, 42, 43, 45, 46, 47, 49, 50, 51, 53, 54, 55, 57, 58, 59, 61, 62, 63, 65, 66, 67, 69, 70, 71, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89, 90, 91, 93, 94, 95, 97, 98, 99.

Therefore, there are 75 numbers between 1 and 100 that are not multiples of four.2. Let n be any integer. We will prove that m = (n - 1)n(n + 1) is divisible by 3 using the method of direct proof. The proof is divided into two parts.Part 1: We will prove that if n is divisible by 3, then m is divisible by 3. Since n is divisible by 3, we can write it as n = 3k for some integer k. Now, we can write m as follows:

m = (n - 1)n(n + 1)

= (3k - 1)3k(3k + 1)

= 3(3k - 1)k(3k + 1)

Therefore, m is divisible by 3.

Part 2: We will prove that if n is not divisible by 3, then m is divisible by 3. Since n is not divisible by 3, we can write it as n = 3k + 1

or n = 3k + 2

for some integer k. We will consider these two cases separately.

Case 1: n = 3k + 1. Now, we can write m as follows:

m = (n - 1)n(n + 1)

= (3k) (3k + 1)(3k + 2)

= 3(3k)(3k + 1)(k + 2)

Therefore, m is divisible by 3.

Case 2: n = 3k + 2. Now, we can write m as follows:

m = (n - 1)n(n + 1)

= (3k + 1) (3k + 2)(3k + 3)

= 3(3k + 1)(k + 1)(3k + 3)

Therefore, m is divisible by 3.In both cases, we have shown that m is divisible by 3. Therefore, m is divisible by 3 for any integer n. Also, m is always odd since one of the factors (n-1), n, or (n+1) must be even. Therefore, the product (n-1)n(n+1) is always odd.3.

Let P(n) be the statement "4^n + 5 is divisible by 3."We will prove that P(n) is true for all positive integers n using mathematical induction. Base Case: P(1) is true because 4^1 + 5 = 9,

which is divisible by 3.Inductive Step: Assume that P(k) is true for some positive integer k,

i.e., 4^k + 5 is divisible by 3.

We will prove that P(k+1) is true as well.Using the assumption that P(k) is true, we can write 4^(k+1) + 5 as follows:

4^(k+1) + 5

= 4^k * 4 + 5

= 4^k * 3 + 4^k + 1

Since 4^k + 5 is divisible by 3 (by assumption), and 4^k * 3 is also divisible by 3, we can conclude that 4^(k+1) + 5 is divisible by 3.Therefore, P(k) => P(k+1) is true for any positive integer k, and P(1) is true. Therefore, by mathematical induction, P(n) is true for all positive integers n.

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hell i am wondering what 3+56÷90×34=

Answers

\(\begin{gathered} 3+56\text{ /90 x 34} \\ =3\text{ +}\frac{56}{90}\text{ x 34} \\ \\ =\text{ }3\text{ +(}\frac{56}{90}\text{ x 34)} \\ \\ =3\text{ + }\frac{1904}{90} \end{gathered}\)

look at the following problem and explain what Susan did incorrectly. You can explain what she did incorrectly and how to do it correctly.(Hint: It may be more than one thing.)

look at the following problem and explain what Susan did incorrectly. You can explain what she did incorrectly

Answers

Susan has the wrong center and the wrong radius.

The center should be (3,-4) and the radius is 6.

---------------

Reason:

Compare \((\text{x}-3)^2 + (\text{y}+4)^2 = 36\) to the template \((\text{x}-h)^2 + (\text{y}-k)^2 = r^2\)

We have

h = 3k = -4r = 6

Susan mixed up the positive and negative signs for h and k.

It might help for her to rewrite \((\text{x}-3)^2 + (\text{y}+4)^2 = 36\) into \((\text{x}-(3))^2 + (\text{y}-(-4))^2 = 6^2\) to better spot h and k.

To find r, this is what the steps would look like

\(r^2 = 36\\\\r = \sqrt{36}\\\\r = 6\)

Susan might have mistakenly thought the 36 was the diameter, and further reasoned that radius = diameter/2.

That formula is indeed true. However, the 36 is not the diameter.

Write an equation in point-slope form with a slope of m=3 and passes through the point (4,-5).

Answers

Answer:

y+5=3(x-4)

Step-by-step explanation:

hope this helped :)

Ryan wants to buy a new guitar that costs $325.00. He already has $75 in his account and makes $20 per day. How many days will he have to work before he can buy the guitar?

Answers

Answer:I pretty sure it will be 12.5
I subtracted the total cost for the guitar by the money he already had and got 250
Then I did 250/20 and got 12.5
250 is the money that he still needs for the guitar

Hope it helps

which expression is equivalent to 1/2r + 8p - 3/4r -2p
A. 1/4r -6p
B. 1/4r +10p
C. 1/4r + 10p
D. 5/4r + 6p​

Answers

Answer:

D.5/4r+6p

Step-by-step explanation:

hula kong hahha

In the figure, ABCD is a square, E is the midpoint of side AD, and F is the midpoint of side BC. The area of the shaded region is
what fraction of the area of square region ABCD?

In the figure, ABCD is a square, E is the midpoint of side AD, and F is the midpoint of side BC. The

Answers

Answer:

option (D) is the correct one ...

MARK ME AS BRAINLIEST ...

Write the quadratic equation whose roots are 1 and -6, and whose leading coefficient is 5.
(Use the letter x to represent the variable.)

Answers

Answer:

\(f(x)=5x^2+25x-30\)

Step-by-step explanation:

Quadratic Equation

If the roots of a quadratic equation are known, we can form the equation as follows:

\(f(x)=a(x-x_1)(x-x_2)\)

where x1 and x2 are the known roots, and a is the leading coefficient.

We are given the roots as x1=1 and x2=-6, and the leading coefficient as a=5, thus:

\(f(x)=5(x-1)(x+6)\)

Operating:

\(f(x)=5(x^2-x+6x-6)\)

Simplifying:

\(f(x)=5(x^2+5x-6)\)

Multiplying:

\(\mathbf{f(x)=5x^2+25x-30}\)

The data in the scatterplot below are an individual's weight and the time it takes (in seconds) on a treadmill to raise his or her pulse rate to 140 beats per minute. The o's correspond to females and the +'s to males. Which of the following conclusions is most accurate?

Answers

Based on the information provided about the scatterplot, we can draw a conclusion by analyzing the data points and their correlation with individual's weight and time it takes to raise their pulse rate to 140 beats per minute.

Step 1: Observe the scatterplot and identify the patterns or trends in the data.

Step 2: Compare the o's (females) and the +'s (males) to see if there are noticeable differences or similarities in the data.

Step 3: Determine if there is a positive, negative, or no correlation between weight and time taken to reach 140 beats per minute.

Step 4: Based on the observations, draw a conclusion about the most accurate statement regarding the data. Unfortunately, I cannot see the scatterplot itself, so I am unable to provide you with the most accurate conclusion.

However, using these steps, you can analyze the scatterplot and determine the correct conclusion.

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find the area 1/3 5/6 cm

Answers

Answer:

5/18 cm squared

Step-by-step explanation:

Multiply 1/3 by 5/6 1 times 5=5

3 times 6 = 18

So 5/18

Does anyone know this?

Does anyone know this?

Answers

Answer:

The answer is "c"

Step-by-step explanation:

1. A tennis ball is hit from a height of 1.1 m above the ground. The function h(d) = -0.12d² +0.22d+
1.1 models the path of the tennis ball, where d is the horizontal distance, in metres, and h(d) is the height,
in metres.
How far has the tennis ball travelled horizontally, to the nearest tenth of a metre, when it lands on the
ground? [A5]

1. A tennis ball is hit from a height of 1.1 m above the ground. The function h(d) = -0.12d +0.22d+1.1

Answers

The tennis ball has traveled a horizontal distance of 3.717 m, to the nearest tenth of a metre, when it lands on the ground. Hence, the correct option is (A) 3.7.

The given function is h(d) = -0.12d² +0.22d+1.1.

It models the path of a tennis ball hit from a height of 1.1 m above the ground.

Here, d represents the horizontal distance in meters, and h(d) represents the height in meters.

To find how far the tennis ball travelled horizontally when it lands on the ground, we need to find the value of d when h(d) = 0, because the ball will hit the ground when its height is zero.

Substituting h(d) = 0 in the given function, we get:

0 = -0.12d² +0.22d+1.1

Simplifying, we get: 0.12d² - 0.22d - 1.1 = 0

We can solve this quadratic equation using the quadratic formula, which is given by:

-b ± sqrt(b² - 4ac) / 2a, where a, b, and c are the coefficients of the quadratic equation.

Here, a = 0.12, b = -0.22, and c = -1.1.

Substituting the values, we get:

d = [0.22 ± sqrt(0.22² - 4(0.12)(-1.1))] / 2(0.12)

Simplifying,

We get:

d = [0.22 ± sqrt(0.5964 + 0.528)] / 0.24d

= [0.22 ± sqrt(1.1244)] / 0.24d

= [0.22 ± 1.0604] / 0.24

We get two values of d as follows:d = 3.717 m, -1.598 m

Since the ball cannot travel a negative distance, the only possible solution is d = 3.717 m.

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∠2≅∠4, m∠2=110°. Find the measures of angles 1, 3, and 4 and explain how you know.

24, m2=110. Find the measures of angles 1, 3, and 4 and explain how you know.

Answers

Answer:  ∠1 =70° ;   ∠3 = 70° ;  ∠4 = 110°

Step-by-step explanation:

∠2 ≅ ∠4 = 110°                       [exterior alternate angles are equal]  

∠1 = 180° - 110° = 70°             [since angles on a line have a sum of 180°]

∠1 = ∠3 = 70°                        [since vertically opposite angles are equal]

A bookshelf has 36 fiction books and 44 non-fiction books. What percentage of the total books are non-fiction?

Answers

Answer:

55%

Step-by-step explanation:

The total number of books is 80 (36+44) and 44 of the 80 books (44/80) are nonfiction. Converting this fraction to a percent would equal 55%.

In Paige’s class, 13 of the 20 students were born in Texas. Based in the information,
if there are 800 students at the school, how many students could be expected to have
been born in Texas?

Answers

Answer:

520

Step-by-step explanation:

13 out of 20 is equal to 520 out of 800

it is 65% and 65% of 800 is 520

how do you rewrite 2^38 in scientific notation with the mantissa rounded to decimal places?

Answers

Answer:

2.75 x 10^11

Step-by-step explanation:

Not sure about the mantissa part.  

Is this table linear, exponential, or other type of a function?

someone please help asap. i will give you brainliest

Is this table linear, exponential, or other type of a function?someone please help asap. i will give

Answers

Exponential, it goes up y^2

Answer:

It is exponential

Step-by-step explanation:

area & perimeter help!

area & perimeter help!

Answers

Answer:

40ft

Step-by-step explanation:

√100=10

10*4=40ft

Answer:

The correct answer is 40 feet.

Step-by-step explanation:

We know that the area of the square is 100 square feet.  We also know that we can find the area of the square using the formula A = s^2, where s represents the side length of the square.

A = s^2

If we plug in the value for the area that we are given, we get:

100 = s^2

To find the side length, we take the square root of both sides.

10 = s

To find the perimeter of a square, we should add up four times the side length (since there are 4 equal sides to a square).

Thus, the perimeter of a square is given by:

P = 4s = 4(10) = 40 feet

Therefore, the correct answer is 40 feet.

Hope this helps!

find the exact value of sin(0) when cos(0) =3/5 and the terminal side of (0) is in quadrant 4​

Answers

When the cosine of an angle (0) is 3/5 and the angle lies in quadrant 4, the exact value of the sine of that angle is -4/5.

To find the exact value of sin(0), we can utilize the Pythagorean identity, which states that \(sin^2(x) + cos^2(x) = 1,\) where x is an angle in a right triangle. Since the terminal side of the angle (0) is in quadrant 4, we know that the cosine value will be positive, and the sine value will be negative.

Given that cos(0) = 3/5, we can determine the value of sin(0) using the Pythagorean identity as follows:

\(sin^2(0) + cos^2(0) = 1\\sin^2(0) + (3/5)^2 = 1\\sin^2(0) + 9/25 = 1\\sin^2(0) = 1 - 9/25\\sin^2(0) = 25/25 - 9/25\\sin^2(0) = 16/25\)

Taking the square root of both sides to find sin(0), we have:

sin(0) = ±√(16/25)

Since the terminal side of (0) is in quadrant 4, the y-coordinate, which represents sin(0), will be negative. Therefore, we can conclude:

sin(0) = -√(16/25)

Simplifying further, we get:

sin(0) = -4/5

Hence, the exact value of sin(0) when cos(0) = 3/5 and the terminal side of (0) is in quadrant 4 is -4/5.

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Note the correct and the complete question is

Q- Find the exact value of sin(0) when cos(0) =3/5 and the terminal side of (0) is in quadrant 4​ ?

madison started a bank account with $200. each year, she earns 5% in interest, which means the amount of money in the account is multiplied by 1.05 each year.if madison does not withdraw money from her account, how much will she have in 10 years?

Answers

Madison will have $322.65 in her bank account in 10 years. Here is the calculation to find this amount:



Starting balance: $200


Year 1: $200 x 1.05 = $210

Year 2: $210 x 1.05 = $220.50

Year 3: $220.50 x 1.05 = $231.53


...


Year 10: $279.10 x 1.05 = $322.65



Therefore, after 10 years, Madison will have $322.65 in her bank account due to the annual interest earned.

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The cost of a movie ticket is $7.25. If I have $20, do I have enough money to purchase a ticket for my sister and myself as well as a drink and popcorn which costs $5.75? Explain.

Answers

Answer:

No

Step-by-step explanation:

What we have to do is find how much everything costs.

After we do that, we can compare that total cost with the amount she has to determine if she can afford everything.

Let's set up an expression to see how much everything costs.

2 Movie tickets: 7.25+7.25

Drink and Popcorn: 5.75

Total: 7.25+7.25+5.75

14.5+5.75

20.25

20.25>20

Therefore, they would not have enough money to purchase 2 tickets and drinks+popcorn.

Is the expression |-3|+ 4 equal to |-3 + 4| ? Justify your answer.

Answers

Answer:

Yes

Step-by-step explanation:

Absolute value keeps a number positive so, the 2 equations both equal 7.

Tips on how to study for GCSE’s

Answers

study material specific to the GSCE and i would recommend flash cards or a study guide.

BC = 28 and BD = 32

CD=

FD=

EF=

EC=

Answers

The missing measures are:

CD = 28 cmFD = 16 cm EF = 23 cmEC = 46 cm

BCDE is a rhombus where ,

BC = 28 and BD = 32

BC is one of the sides of the rhombus, thus, all the sides (CD, DE, EB) will be 28 cm.

So, CD = 28cm

Now, BD = 32 which is the diagonal of the rhombus.

The diagonals bisect each other at a 90-degree angle.

Hence, FD = 1/2 x BD = 1/2x32 = 16 cm.

So, FD = 16 cm

To find EF, we can consider ΔEFD , which is right-angled at F, FD = 16cm and ED = 28cm  .

Thus, from Pythagoras theorem,

ED² = EF² + FD²

28² = EF² + 16²

EF = 22.97

EF = 23 cm

So, EF = 23 cm

EC would be two times EF( since diagonals bisect each other)

Therefore, EC = 2x23 = 46 cm

So, EC = 46 cm

CD = 28cmFD = 16 cmEF = 23 cmEC = 46 cm

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Complete question:

If each quadrilateral is a rhombus, find the missing measures

BC = 28 and BD = 32

help help help helpppp

help help help helpppp

Answers

Answer:D

Step-by-step explanation:

If you spin this spinner 110 times, how many times do you expect the spinner to land on green?

Answers

Answer: If they're equal sized sections, I would expect it to land on green about 36 times.

Step-by-step explanation:

110/3=36.666667

a paint store makes three batches of a color called Sunset Orange using the recipe shown.


1/2 of the paint is red

1/3 of the paint is yellow

1/6 of the paint is white




Each batch contains a different total amount of paint.

Drag numbers to show how much of each color should be used in each batch of Sunset Orange

Answers

Answer:

Suppose that the batch has N liters of paint.

we know that the recipe is:

1/2 of red paint

1/3 of yellow paint

1/6 of white paint.

Then, out of the N liters, 1/2 is red.

This means that we must use:

N/2 liters of red paint.

And the same for the other two colors:

N/3 liters of yellow paint

N/6 liters of white paint.

When we add those 3, we have:

(N/2 + N/3 + N/6)  = (3*N/6 + 2*N/6 + N/6) = N.

Now, if for example N = 2

Then the batch has 2 liters of paint, this would mean that we must use:

2/2 liters of red paint

2/3 liters of yellow paint

2/6 liters of white paint.

What is the missing number?

What is the missing number?

Answers

The missing number is 17.
You have to add 4.
9 + 4=13
13 + 4= 17

What is SSS congruence rules?

Answers

SSS congruence rules states that if three sides of one triangle are equal to the three sides of another triangle, then the two triangles are congruent.

The SSS (Side-Side-Side) congruence rule states that if three sides of one triangle are equal to the three sides of another triangle, equal, and the two triangles share the same dimensions then the two triangles are congruent. This means that all of the angles and sides of the two triangles are In order for two triangles to be congruent according to the SSS congruence rule, the lengths of the three corresponding sides of the two triangles must be equal. If all three of these conditions are met, then the two triangles are congruent and can be used to solve a variety of geometric problems.

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The SSS congruence rule is rule that is used to prove two triangles congruent . Its full form is Side-Side-Side Congruence .

The Two Triangles can be called as  Congruent Triangles if their sides have same length and the angles also have the same measure.

One of the 4 rules in proving the triangles congruent is SSS .

The SSS Congruence Rules also called as (Side-Side-Side) Rule means that if all the three sides of one triangle are equal to the corresponding three sides in the other triangle ,

then we can say that the two triangles are congruent by SSS (Side-Side-Side) Rule .

Therefore , The SSS Congruence rule means Side-Side-Side Congruence .

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