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Olenka [21]
3 years ago
14

Evaluate the expression, using the given value of the variable.

Mathematics
2 answers:
natka813 [3]3 years ago
3 0
-10 is the answer to the question above.
Natali [406]3 years ago
3 0

Answer:

-10

Step-by-step explanation:

2-6x+2x

2-(6*3)+(2*3)

2-18+6

-16+6

-10

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Austen has $20 in a savings account that earns 5% annually. The interest is not
marta [7]

20x(5/100)=1

That is the interest after one year

Add to the principal:20+1=21

3 0
3 years ago
A gardener makes a flower bed the bed is 14 in diameter calculate the circumference
Basile [38]

Answer:

C=43.96

Step-by-step explanation:

<em>Circumference Formula:</em>

<em>C=2πr</em>

The radius is half of the diameter...

14/2=7

Pi is 3.14...

C=2*3.14*7

C=43.96

3 0
3 years ago
4. If TV = 14x - 8, find TU.<br> 9x+2 <br> 5
Musya8 [376]

<u><em>Answer:</em></u>

x = 3

<u><em>Explanation:</em></u>

The complete question is shown in the attached diagram

<u>Collinear points</u> are defined as points that lie on the same straight line

Since points U, T and V are given to be collinear, this means that these three points lie on the same straight line

Now, we are given that point U is between points T and V

This would mean that the length of segment TV can be written as the sum of the segments TU and UV

<u>Therefore:</u>

TV = TU + UV

<u>We are given that:</u>

TV = 14x - 8

TU = 9x + 2

UV = 5

<u>Substitute with the givens in the above mentioned equation and solve for x as follows:</u>

TV = TU + UV

14x - 8 = 9x + 2 + 5

14x - 8 = 9x + 7

14x - 9x = 7 + 8

5x = 15

x = 3

Hope this helps :)

5 0
3 years ago
Anna, Laura and David earn the same monthly salary,
Sonja [21]

Answer:

  David saves the most (20%)

Step-by-step explanation:

The fraction Anna saves is given as 19%.

The fraction Laura saves is 1-(17/20) = 3/20 = 15/100 = 15%.

The fraction David saves is 2/(2+8) = 2/10 = 20/100 = 20%.

David saves the most of his salary each month.

8 0
3 years ago
use the formula A=LW to find the length of a rectangle when the width is 29 yards and the are is 1,044 square yards. Help please
sukhopar [10]

Answer:

L = 36 yd

Step-by-step explanation:

Given the area of a rectangle of 1044 yd², and a width of 29 yards:

Using the formula for finding the area of a rectangle, A = L × W, algebraically solve for the length (L):

A = L × W

where:

A = area of a rectangle = 1044 yd²

L = length of a rectangle

W = width of a rectangle = 29 yd

<h3><u /></h3><h3><u>Solution:</u></h3>

Divide both sides by W to isolate L:

\displaystyle\mathsf{\frac{A}{W}\:=\:\frac{L\:\times\:W}{W}}

\displaystyle\mathsf{L\:=\frac{A}{W}}

Substitute the values for the area and the width of a rectangle:

\displaystyle\mathsf{L\:=\frac{1044\:yd^2}{29\:yd}}

L = 36 yd

Therefore, the <u>length</u> of a rectangle is 36 yards.

3 0
3 years ago
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