PLEASE ANSWER! I WILL GIVE 80+ POINTS, BRAINLIEST, A THANKS, 5 STARS, AND A FOLLOW IF YOU ANSWER ALL OF THESE (P.S they all have to do with direct variation):

#1) If y varies directly with x, write an equation for the direct variation. Then find each value. If y = –4 when x = 10, find y when x = 5

#2) If y varies directly with x, write an equation for the direct variation. Then find each value. If y = 12 when x = –15, find y when x = 2

#3) If y varies directly with x, write an equation for the direct variation. Then find each value. Find x when y = 18, if y = 9 when x = 8.

Answer:

The number expressed in the models below is 0.63 (six tenths and three hundredths)

Step-by-step explanation:

It is represented as follows:

One flat represents 1 whole, so there are 0 whole numbers

One rod represents 1 tenth, so there are 6 tenths (represented by 6 rods)

One unit represents 1 hundredth, so there are 3 hundredths (represented by 3 units)

Step-by-step explanation:

Let's assume the amount Mackey initially invested in the 6% account is x dollars.

According to the given information, Mackey invested $1000 more than x in the 8.5% account, which means she invested (x + $1000) dollars in that account.

The total interest earned from the 6% account would be 0.06x dollars, and the total interest earned from the 8.5% account would be 0.085(x + $1000) dollars.

The total interest earned in the year is given as $737.50, so we can set up the equation:

0.06x + 0.085(x + $1000) = $737.50

Simplifying the equation:

0.06x + 0.085x + 0.085($1000) = $737.50

Combining like terms:

0.145x + $85 = $737.50

Subtracting $85 from both sides:

0.145x = $737.50 - $85

0.145x = $652.50

Dividing both sides by 0.145:

x = $652.50 / 0.145

x ≈ $4500

Therefore, Mackey initially invested approximately $4500 in the 6% account, and she invested $1000 more, which means she invested a total of $5500.

$4500

$4500

$4500

$4500

Answer:

The answer is y = -4x + 0

Step-by-step explanation:

Because the temperature is -4 and when since zero is your starting point you do gown four which is why its negative and since zero is the start it would be the answer for y

For the given condition the equation represents the temperature y, in degrees Fahrenheit, at x hours after sunset will be y = -4x + 0.

An equation is a statement that two expressions, which include variables and/or numbers, are equal. In essence, equations are questions, and efforts to systematically find solutions to these questions have been the driving forces behind the creation of mathematics.

It is given that, at 2 hours before sunset, the temperature is 0°F. 2 hours after sunset, the temperature is −4°F and the equation representing the temperature y, in degrees Fahrenheit, at x hours after sunset.

The equation is obtained as,

y = -4x + 0.

Thus, for the given condition the equation represents the temperature y, in degrees Fahrenheit, at x hours after sunset will be y = -4x + 0.

Learn more about the equation here,

https://brainly.com/question/10413253

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To estimate the volume using the Midpoint Rule with \(\displaystyle n=5\), we need to divide the interval \(\displaystyle 0\leq x\leq 1\) into \(\displaystyle n\) subintervals of equal width. Since \(\displaystyle n=5\), each subinterval will have a width of \(\displaystyle \Delta x=\frac{1-0}{5}=\frac{1}{5}\).

Now, let's calculate the volume using the Midpoint Rule. The formula for the volume obtained by rotating about the y-axis is:

\(\displaystyle V\approx 2\pi \sum _{i=1}^{n}y_{i}\Delta x\)

where \(\displaystyle y_{i}\) represents the value of the function \(\displaystyle y=\sqrt{1+x^{3}}\) evaluated at the midpoint of each subinterval.

First, let's find the midpoints of the subintervals. Since the width of each subinterval is \(\displaystyle \Delta x=\frac{1}{5}\), the midpoint of the \(\displaystyle i\)-th subinterval is given by:

\(\displaystyle x_{i}=\frac{\Delta x}{2}+\left( i-\frac{1}{2}\right) \Delta x=\frac{1}{10}+\left( i-\frac{1}{2}\right) \frac{1}{5}\)

Substituting \(\displaystyle x_{i}\) into the function \(\displaystyle y=\sqrt{1+x^{3}}\), we obtain:

\(\displaystyle y_{i}=\sqrt{1+\left( \frac{1}{10}+\left( i-\frac{1}{2}\right) \frac{1}{5}\right) ^{3}}\)

Now, we can calculate the approximate volume using the Midpoint Rule:

\(\displaystyle V\approx 2\pi \sum _{i=1}^{5}y_{i}\Delta x\)

Substituting the values of \(\displaystyle y_{i}\) and \(\displaystyle \Delta x\) into the formula, we can evaluate the sum and compute the estimated volume.

\(\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}\)

♥️ \(\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)

Answer:1,950

Step-by-step explanation:

Hope this helps you

Answer:

D is the right choice and no you cannot fit the pizza inside the box.

Step-by-step explanation:

D is the answer because to turn 2/3 into a decimal you would divide 2 by 3 and the answer you would get would be 0.66666666666...You would then add 12 to the answer and get 12.6666... Once you get this answer you would round it to the hundredths to get 12.67 but since that is not an option you could use D, 12.66 inches.

Answer:

I believe the answer is D.

Step-by-step explanation:

GOOGLE

To solve each compound inequality, we can break it into two separate inequalities and solve each one separately.

For the first compound inequality, f-4<5 and f-4 ≥ 2, we can break it into two separate inequalities: f-4<5 and f-4>2. Solving these inequalities separately, we get:

f-4<5

f<9

f-4>2

f>6

Therefore, the solution to the compound inequality is 6<f<9.

For the second compound inequality, y-1 ≥7 or y+3<-1, we can break it into two separate inequalities: y-1>=7 and y+3<-1. Solving these inequalities separately, we get:

y-1>=7

y>=8

y+3<-1

y<-4

Therefore, the solution to the compound inequality is y<-4 or y>=8.

For the third compound inequality, -5<3p+7≤22, we can break it into two separate inequalities: -5<3p+7 and 3p+7≤22. Solving these inequalities separately, we get:

-5<3p+7

3p>-12

p>-4

3p+7≤22

3p≤15

p≤5

Therefore, the solution to the compound inequality is -4<p≤5.

Negative 3, negative 2.4, negative 1.5, negative 2 and one-fourth, negative 1 and one-eighth

Hope my answer helps you✌️

Answer:

15.4-4.9=10.5

^ this is what you would do to find what you need to add

10.5+4.9=15.4

I guess-

Answer:

10.5

Step-by-step explanation:

15.4 - 4.9 = 10.5

Conversion a mixed number 2*1/4

to a improper fraction: 2*1/4 = (2* 1)/4

= (2( 4 )+ 1)/4 = (8 + 1)/4 = 9/4

To find a new numerator:

a) Multiply the whole number 2 by the denominator 4. Whole number 2 equally

(2 * 4)/4 = 8/4

b) Add the answer from the previous step 8 to the numerator 1. New numerator is 8 + 1 = 9

c) Write a previous answer (new numerator 9) over the denominator 4.

Two and one quarter is nine quarters.

Conversion a mixed number

1*4/7

to a improper fraction:

1*4/7 = 1*4/7 = 1 *( 7 + 4) / 7= (7 + 4) / 7= 11 / 7

To find a new numerator:

a) Multiply the whole number 1 by the denominator 7. Whole number 1 equally 1 * 7/ 7 = 7/7

b) Add the answer from the previous step 7 to the numerator 4. New numerator is 7 + 4 = 11

c) Write a previous answer (new numerator 11) over the denominator 7.

One and four sevenths is eleven sevenths.

Multiple: 9/4 * 11/7 = 9 * 11 /4 * 7= 99/28= 3.53571

Answer: Your answer is 1 2/7

Step-by-step explanation:

First:

Convert any mixed numbers to fractions.

Then your initial equation becomes:

9/4 × 4/7

Applying the fractions formula for multiplication,

=9/4 x 4/7 (A Times symbol beside each number)

=36/28

Simplifying 36/28, the answer is

=1 2/7

Hope it helped! :D

Answer:

\(9 \frac{5}{8} \)

Step-by-step explanation:

\(1. \: lcd = 24 \\ 2. \: \frac{2 \times 8}{3 \times 8} + 9 \times \frac{24}{24} - \frac{1}{24} \\ 3. \: \frac{16}{24} + \frac{216}{24} - \frac{1}{24} \\ 4. \: \frac{16 + 216 - 1}{24} \\ 5. \: \frac{231}{24} \\ 6. \: \frac{77}{8} \\ 7. \: 9 \frac{5}{8} \)

Answer:

110/3 or 36 2/3

Step-by-step explanation:

4 3/10-2 7/15=11/6

11/6•20=110/3

Answer:

110/3 or 36 2/3

Step-by-step explanation:

Evaluate the parenthesis first which is 11/6. Multiply that by 20 to get 110/3 or 36 2/3

The team needs to win 10 games in the fifth year to have an average of 8 wins per year over the five-year period.

To find out how many games the team needs to win in the fifth year to have an average of 8 wins per year over the five-year period, we can use the following equation:

(5 + 10 + 8 + 7 + x) / 5 = 8

Here, x represents the number of games the team needs to win in the fifth year.

To solve for x, we can simplify the equation:

(30 + x) / 5 = 8

Now, we can cross-multiply:

30 + x = 40

Subtracting 30 from both sides of the equation, we get:

x = 10

Therefore, the team needs to win 10 games in the fifth year to have an average of 8 wins per year over the five-year period.

To learn more about finding averages,

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Answer:

y = − x/3 +8

i think, hopeful i helped

Answer:

200$

Step-by-step explanation:

2000 is more than 100p so the discount is 10% right so

2000 over 1 multiple by 1 over 10 equals to 200$

Answer:

n=5

Step-by-step explanation:

Solving for x:

We are looking for the solution: -3 ≥ x ⇔ x ≤ -3

Then

Answer: 2.5 or 2 1/2

Answer:

False

Step-by-step explanation:

\(8^1^0 = 1073741824\\8^5=32768\\\\8^2 = 64\)

Answer:

\(13.5 m^{2}\)

Step-by-step explanation:

area = length × width

       = 15m  × 9/10m

       = 15m  ×  0.9m

       = \(13.5 m^{2}\)

Answer:

\(\Huge \fbox{Area = 13.5 m^{2}$}\)

Step-by-step explanation:

To find the area of the baseboard, we need to multiply the length by the width:

To multiply these values, we can convert the width to a decimal by dividing the numerator (9) by the denominator (10):

Now we can multiply the length and width:

Therefore, the area of the baseboard is 13.5 m².

__________________________________________________________

Answer:

No

Step-by-step explanation:

One infinity cannot be larger than another

Answer:

B.                

Step-by-step explanation:

i think

Answer:either 60m— -4 or 17m— -3

Step-by-step explanation: distribute

Answer:

\( \frac{5.2}{4} = \frac{52}{40} =\boxed{1.3} \\ \)

Answer: C) 1/5

Step-by-step explanation:

probability of red or yellow = 2/5

probability of even number = 3/6 = 1/2

1/2 x 2/5 = 1/5