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velikii [3]
3 years ago
9

WILL GIVE BRAINLIEST

Mathematics
1 answer:
klemol [59]3 years ago
7 0

Answer: a.

Step-by-step explanation:

If there is a negative mark next to the whole fraction, that means both of the numbers are negative.

I am not sure if this answer is accurate. Please inform me if I am incorrect. TY.

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A tree is 15 feet tall. A building is 75% taller than the tree. How tall is the building?
GaryK [48]

Answer:

D

Step-by-step explanation:

The building is 75% taller than the tree (15ft). So you would turn the percent into a decimal, 0.75, and multiply it by 15 to get 11.25. therefore add 11.25 to 15 and get 26.25. Sorry if the explanation isn't up to par

4 0
3 years ago
Solve for u<br><br> 1/3 (u+1) =1<br><br> u= _____
amid [387]

https://www.khanacademy.org/math/algebra/one-variable-linear-inequalities/compound-inequalities/v/compound-inequalities

Once you see that it will be the first video that you will click on.  Let see if that helps you or if it doesn't help then you can ask your teacher to help you.

7 0
3 years ago
What is the value of x?<br> (x + 40)<br> (3x)"<br> R<br> 20<br> 35<br> 60<br> 70
vfiekz [6]

Answer:70

Step-by-step explanation:

7 0
3 years ago
Help me please I need an an answer asap
sammy [17]
(2/5)k + (1/10)k = (1/2)k - 1
0.4k + 0.1k = 0.5k - 1
We need to solve for k.

Subtract 0.4k from both sides
0.4k - 0.4k + 0.1k = 0.5k - 0.4k - 1
0.1k = 0.1k - 1

Subtract 0.1k from both sides:
0.1k - 0.1k = 0.1k - 0.1k - 1
0 = -1

Impossible. The equation has no solution.

7 0
3 years ago
Jocelyn is training for a race by running several miles each day. she tracks her progress by recording her average speed in minu
Luden [163]

Finding the regression equation, her average speed on the 9th day should be expected to be of 6.92 minutes per mile.

<h3>How to find the equation of linear regression using a calculator?</h3>

To find the equation, we need to insert the points (x,y) in the calculator.

Researching the problem on the internet, the values of x and y are given as follows:

  • Values of x: 1, 2, 3, 4, 5, 6.
  • Values of y: 8.2, 8.1, 7.5, 7.8, 7.4, 7.5.

Hence, using a calculator, the equation for the average minutes per mile after t days is given by:

V(t) = -0.15143t + 8.28

Hence, for the 9th day, t = 9, hence the estimate is:

V(9) = -0.15143(9) + 8.28 = 6.92 minutes per mile.

More can be learned about regression equations at brainly.com/question/25987747

#SPJ1

4 0
2 years ago
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