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3 years ago

What is x? -4(2x-9)+6(-x+1)=-8x-5(3x- 6/5)

Mathematics

1 answer:

TiliK225 [7]3 years ago

7 0

X is -4 Isolate the variable by dividing each side by factors that don't contain the variable.

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Find the slope of two points: (-2,-1) and (4,3)

marta [7]

Answer: m = 2/3

$\frac{-1-3}{-2-4}$ = $\frac{-4}{-6}$ = $\frac{2}{3}$

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3 years ago

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Tems11 [23]

Answer:

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Step-by-step explanation:

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3 years ago

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Write the next three numbers in each counting sequence:<br> ...,40, 30, 20, ____, ____, ____,...

Leni [432]

10, 0, -10

You just have to subtract by 10

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3 years ago

The area of a circle is 161 in. What is the radius?

kirill [66]

Answer:

Approximately 7.16 in

Step-by-step explanation:

Hi there!

Area of a circle equation: $A=\pi r^2$ where r is the radius

Plug in the given area 161 in.²

$161=\pi r^2$

Divide both sides by π to isolate r²

$\frac{161}{\pi} =\frac{\pi r^2}{\pi} \\\frac{161}{\pi} =r^2$

Take the square root of both sides to isolate r

$=r^2\\\sqrt{\frac{161}{\pi}} =r\\7.16=r$

Therefore, the radius of the circle is approximately 7.16 in.

I hope this helps!

7 0

3 years ago

Simplify (2x + 1) (3.1 – 6)using the Distributive Property or the Area Method.

Tju [1.3M]

Answer: -5.8x-2.9

Step-by-step explanation:

Hi, to answer this we will use the distributive property:

The distributive property allows to multiply a sum by multiplying each addend separately and then add the products.

(2x + 1) (3.1 – 6)

(2x [3.1]) +(2x[-6])+ (1 [3.1])+ (1 [-6])

6.2x-12x+3.1-6

-5.8x-2.9

Feel free to ask for more if needed or if you did not understand something.

4 0

3 years ago