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3 years ago

What is the difference of -9 - 17 =

Mathematics

1 answer:

andrew-mc [135]3 years ago

7 0

Answer:

the difference of -9 - 17 = -26

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A package of gum that contains 15 pieces advertises 135 cal per package. Which unit rate can be used to describe this package of

marta [7]

135 calories/15 pieces = 9 calories per piece.

3 0

3 years ago

Read 2 more answers

N-10= -12 solve and check helpppppppppp

vladimir2022 [97]

Answer:

n=-2

Step-by-step explanation:

add 10 to both sides

-12 + 10 = -2

8 0

3 years ago

F(n) = 10*(10x + 10) f(10) = ?

ohaa [14]

Answer:

f(10) = 1100

given:

f(n) = 10(10x + 10)

solve:

f(10) = 10(10(10)+10)

f(10) = 10(100+10)

f(10) = 10(110)

f(10) = 1100

6 0

2 years ago

What is the area of the composite figure? 65 cm2 52.5 cm2 40 cm2 60 cm2

Sergio [31]

Answer:

65 cm²

Step-by-step explanation:

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2 years ago

2x+3y=4

garri49 [273]

Answer:

Option D.

Step-by-step explanation:

we have

$2x+3y=4$ -----> equation A

$2x-5y=-12$ -----> equation B

Solve the system by elimination

Multiply both sides equation A by -1

$-1(2x+3y)=-1(4)$

$-2x-3y=-4$ -----> equation C

Adds equation C and equation B

$-2x-3y=-4\\2x-5y=-12\\------\\-3y-5y=-4-12\\-8y=-16\\y=2$

Find the value of x

substitute the value of y in either equation

$2x+3(2)=4\\2x+6=4\\2x=-2\\x=-1$

The solution is the point (-1,2)

In this problem Option A,B and C are correct

The option D not result in a system with a pair of opposite terms

because

Multiply both sides of equation B by -3

$-3(2x-5y)=-3(-12)$

$-6x+15y=36$ -----> equation C

Multiply both sides of equation A by 5 $5(2x+3y)=5(4)$

$10x+15y=20$ ----> equation D

equation C and equation D not have a pair of opposite terms

5 0

2 years ago