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3 years ago

What is the slope of the line whose equation is 2x−4y=10?

Mathematics

2 answers:

Solnce55 [7]3 years ago

6 0

Answer:

1/2

Step-by-step explanation:

-4y = -2x + 10

y = 1/2x - 2/5

The slope is the number in front of the x, so the slope would be 1/2.

vaieri [72.5K]3 years ago

4 0

Answer:

1/2

Step-by-step explanation:

2x-4y=10

-4y=2x+10

y=-0.5x-2.5

therefore your slope is -0.5

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What is the measure of PSQ in degrees? Angle PSR measures 99°.

11111nata11111 [884]

we know that

Step 1

Find the value of x

m∠PSR= $99$ °

m∠PSR= $(3x+18)+(9x-27)$ °

$99 =(3x+18)+(9x-27) \\ 99=12x-9\\ 12x=108\\ x=9degrees$

Step 2

Find the value of m∠PSQ

m∠PSQ= $(3x+18)$

m∠PSQ= $(3*9+18)$

m∠PSQ= $45$ °

therefore

the answer is the option

C) 45 degrees

8 0

3 years ago

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What is 5a*2 -6a+7a*2+3a-2+8a+7= Distribute and combine like terms

andrey2020 [161]

$5a^2-6a+7a^2+3a-2+8a+7\\\\=5a^2+7a^2-6a+3a+8a-2+7\\\\=12a^2+5a+5$

6 0

3 years ago

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The total surface area of a cube is 96cm2, find its volume.

Setler [38]

Answer:

$\huge\boxed{V=64cm^3}$

Step-by-step explanation:

The formula of a surface area of a cube:

$SA=6a^2$

The formula of a volume of a cube:

$V=a^3$

We have

$SA=96cm^2$

Calculate the edge length (a).

$6a^2=96$ divide both sides by 6

$a^2=16\to a=\sqrt{16}\\\\a=4(cm)$

Calculate the volume of a cube:

$V=4^3=64(cm^3)$

6 0

3 years ago

Given that f(x)=x^2+3x-28f(x)=x

spayn [35]

9514 1404 393

Answer:

x^2 +4x -21

Step-by-step explanation:

Substitute the given expressions and simplify.

f(x) + g(x)

= (x^2 +3x -28) +(x +7)

= x^2 +(3+1)x +(-28 +7)

= x^2 +4x -21

6 0

3 years ago

in klm the measure of m=90 the measure of l=68 and mk=2.5 feet. find the length of kl to the nearest tenth of a foot

frutty [35]

Answer:

2.7

Step-by-step explanation:

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3 years ago