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denis-greek [22]

3 years ago

15

jackson has a rectangular piece of paper with a width of six units and a length of four units as shown below. He cuts the paper

into two equal right triangles, what is the area of each jackson's triangles

1 answer:

vfiekz [6]3 years ago

8 0

The are for the triangles is 3w X 2l = 6

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Multiply the polynomials. (4x^2 + 3z + 7)(8x - 5)

Vedmedyk [2.9K]

Answer:

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Step-by-step explanation:

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2 years ago

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The mean of three number is 15. if 2 of the numbers are 18 and 16 what is the third number

MrMuchimi

Answer:

11

Step-by-step explanation:

The mean is calculated as

mean = $\frac{sum}{count}$

let the third number be x , then

$\frac{18+16+x}{3}$ = 15 ( multiply both sides by 3 to clear the fraction )

34 + x = 45 ( subtract 34 from both sides )

x = 11 ← third number

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3 years ago

If f(x)=x2-2x-8 and g(x)=1/4x-1 for which value of x is f(x)=g(x)

fomenos

$f(x)=x^2-2x-8;\ g(x)=\dfrac{1}{4}x-1\\\\f(x)=g(x)\iff x^2-2x-8=\dfrac{1}{4}x-1\qquad\text{multiply both sides by 4}\\\\4x^2-8x-32=x-4\qquad\text{subtract x from both sides}\\\\4x^2-9x-32=-4\qquad\text{add 4 to both sides}\\\\4x^2-9x-28=0\\\\4x^2-16x+7x-28=0\\\\4x(x-4)+7(x-4)=0\\\\(x-4)(4x+7)=0\iff x-4=0\ \vee\ 4x+7=0\\\\x=4\ \vee\ 4x=-7\\\\\boxed{x=4\ \vee\ x=-\dfrac{7}{4}}$

6 0

3 years ago

What is the area of this triangle?

mafiozo [28]

Answer:

I believe the answer is 24

5 0

3 years ago

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Divide mentally. 6.2 ÷ 2,000 = ? A. 0.31 B. 0.031 C. 0.0031 D. 0.00031

soldi70 [24.7K]

C. 0.0031

6.2 divided by 2,000 = 0.0031

5 0

3 years ago