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3 years ago

The volume of a solid is measured in units cubed. True False

Mathematics

2 answers:

RUDIKE [14]3 years ago

6 0

It’s true. Hope this is correct

weeeeeb [17]3 years ago

4 0

I think the answer would be true

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The pairs 3, 12 and 4, 9 are factor pairs of which number? A) 32 B) 36 C) 44 D) 82

KatRina [158]

Answer:

$\Huge \boxed{\mathrm{B) \ 36}}$

$\rule[225]{225}{2}$

Step-by-step explanation:

A pair of factors are two factors of a number, when multiplied, gives the number.

$3* 12=36$

$4*9=36$

The pairs 3, 12 and 4, 9 are factor pairs of 36.

$\rule[225]{225}{2}$

6 0

3 years ago

Read 2 more answers

Let r and s be the roots of x^2 - 6x + 2 = 0. Find (r - s)^2.

Sphinxa [80]

Answer: $(r-s)^{2} = 28$

Step-by-step explanation:

$x^{2} -6x+9=-2+9$
$(x-3)^{2}=7$
$(x-3)= -\sqrt{7}$ or $\sqrt{7}$ <-- there's no plus/minus sign.

$(x-3) = -\sqrt{7}$
$x = 3 -\sqrt{7}$ <-- root.

$(x-3) = \sqrt{7}$
$x = 3+\sqrt{7}$ <-- root.

$[(3-\sqrt{7})-(3+\sqrt{7})]^{2}$
$(3-\sqrt{7} -3 - \sqrt{7})^{2}$ <-- don't forget to distribute the negative.
$(-2\sqrt{7})^{2}$
$(4)(7)$
$28$

4 0

2 years ago

I need help plz it is for khan academy

Schach [20]

Answer:

slope = 1

Step-by-step explanation:

Calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 1, 0) and (x₂, y₂ ) = (0, 1)

m = $\frac{1-0}{0+1}$ = 1

7 0

3 years ago

Abel saved 43 more nickels than dimes. After he spent 17 dimes he had twice as many nickels than dimes. How many coins did he ha

Alborosie

Answer:

180 coins

Explanation:

N = number of nickels (no nickels spent)

D = number of dimes initially saved

D' = number of dimes left after spending

1) N = D + 43

2) D' = D - 17

3) N = 2*D' = 2*(D - 17)

Set equations 1) and 3) equal to each other and solve for D:

D + 43 = 2*(D - 17)

D + 43 = 2*D - 34

D = 43 + 34 = 77

N = D + 43 = 77 + 43 = 120 nickels left

D' = D - 17 = 77 - 17 = 60 dimes left

Total coins left = 120 + 60 = 180 coins (I hope this is not too confusing for you)

8 0

2 years ago

Suppose you have 8 coins and you have at least one each of a quarter, a dime, and a penny. What is the least amount of money you

Black_prince [1.1K]

41 cents one quarter one dime six pennies

4 0

3 years ago