3 years ago

15-a=20 what value would make this true

Mathematics

2 answers:

STALIN [3.7K]3 years ago

6 0

Answer:

-5

Step-by-step explanation:

15-(-5)=20

5 turns into a positive

15+5=20

sergejj [24]3 years ago

5 0

Answer:

a = -5

Step-by-step explanation:

15 - a = 20

Move the constant of 15 to the other side by subtracting it.

-a = 5

Divide by -1 to make a positive.

a = -5

Check.

15 - (-5) = 20

15 + 5 = 20

20 = 20

You might be interested in

Write an equality with the solution x <12

Tom [10]

Lol i learned this last chapter. ok here is one 2x + 3 < 5

4 0

4 years ago

What multiplys to 40 and adds to -13

icang [17]

-5 and -8 both multiply to 40 -5 x -8 = 40 and both add up to -13. -5 + -8 = -13. two negative numbers when added together the answer is still negative. ex: if i owe 2 dollars to someone and 2 to another i owe 4 in total

5 0

3 years ago

Read 2 more answers

A rectangle is 40 yards long and 30 yards wide. What is the length of the diagonal that cuts through the center?

choli [55]

Answer:

it should be 50

Step-by-step explanation:

Using the pythagorean theorem c = $\sqrt{a^{2} +b^{2} }$ we get 50

4 0

3 years ago

In order to solve the equation below, you need to change it around so that n is by itself. Write this new equation. Do not inclu

ale4655 [162]

N/6=30
Multiply both sides by 6
n=180

6 0

3 years ago

Does anyone know the answer??

andrew-mc [135]

Answer:

it's c

the slope is 5/2 and the y intercept is 10

7 0

3 years ago