3 years ago

HELPPPPPPP how many solutions does this have

Mathematics

1 answer:

Fiesta28 [93]3 years ago

7 0

I need the pic or question to solve

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Darin skateboarded to the west at 8 m/s. In 7 seconds, he slowed down to 3

MakcuM [25]

Answer:

C) -0.71m/s²

Step-by-step explanation:

V = V0 + at

V = final veloctiy

V0 = Initial velocity

a = acceleration

t = time

3 = 9 + a7

-5 = a7

$-\frac{5}{7}$ = a

a ≅ -0,71

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3 years ago

Solve the equation-3y = 21 using inverse operations. What is the inverse operation step? What is the solution?

GaryK [48]

Answer:

-7

Step-by-step explanation:

You divide -3 on both sides to get the variable by itself, so -3 divided by 21 is -7

5 0

3 years ago

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The sum of two integers is 8 and their product is -20. What are the integers?

emmasim [6.3K]

Answer:

The answer to your question is

x = -2 and y = 10 or x = 10 and y = -2

Step-by-step explanation:

x + y = 8 (1) from (1) x = 8 - y

xy = - 20 (2)

Solve them by substitution

(8 - y) y = - 20

8y - y² = -20

y² - 8y - 20 = 0

( y - 10) (y + 2) = 0

y - 10 = 0 and y + 2 = 0

y1 = 10 y2 = -2

x1 = 8 - 10 x2 = 8 - -2

x1 = -2 x2 = 10

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3 years ago

Convert 5. 06km to metres

djyliett [7]

Answer:

5060

Step-by-step explanation:

3 0

3 years ago

What is the length of line segment PQ? 4 units 5 units 6 units 9 units

makkiz [27]

Hello!

I was looking for this answer as well, but I took the quiz and got it correct. The answer is 5 units.

good luck!

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3 years ago

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