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anzhelika [568]

2 years ago

14

how many 1/2 foot unit cubes can be added to fill the prism completely use what you know about unit cubes or the side lengths of

prism to show your work or explain your answer

1 answer:

Dima020 [189]2 years ago

4 0

Answer:The volume of the cube is 1/2 x 1/2 x 1/2 = 1/8

2646/(1/8) = 21168

Step-by-step explanation:

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There are 20 students in the high school glee club. They need to pick four students to serve as

gayaneshka [121]

Answer:

4845 ways

Step-by-step explanation:

To solve this problem we use the formula of combinations

$nCr=\frac{n!}{r!(n-r)!}$

Where n is the total number of students that can be chosen and you choose r from them.

So

$n = 20\\r = 4$

Note that in this case the order in which the 4 students are chosen does not matter.

Then

$20C4=\frac{20!}{4!(20-4)!}$

$20C4=\frac{20!}{4!*16!}=4845\ ways$

6 0

2 years ago

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Mark Borrowed $5,500 at 11.5 percent for 5 years (2.199) what is the amount of Marks total payment?

Airida [17]

Let I am interest, r rate, t time and p principle,

l= prt

l= 5500(.115)(5 )= $3162.5 is the total amount of interest to pay.

4 0

2 years ago

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Let y = In x and V = lny. Write Inyx in terms of u and v.

weqwewe [10]

Answer:

v + u

Step-by-step explanation:

Using the rule of logarithms

log x + log y ⇔ log xy

Given

ln yx, then

ln yx = ln y + ln x = v + u

6 0

2 years ago

What dose this equal (8.5)x(-3)=a

Nana76 [90]

Answer:

-25.5

8x3=24

but we still have the .5 so we multiply that by 3 which equals to 1.5 add that to 24 which makes 25.5 and because only one of the numbers was negative it turns 25.5 into -25.5.

5 0

2 years ago

An inequality is shown: −np − 4 ≤ 2(c − 3) Which of the following solves for n?

sesenic [268]

Answer:

$\huge\boxed{n\leq\dfrac{2-2c}{p}\ \text{for}\ p0}$

Step-by-step explanation:

$-np-4\leq2(c-3)\qquad\text{use the distributive property}\\\\-np-4\leq2c-6\qquad\text{add 4 to both sides}\\\\-np\leq2c-2\qquad\text{change the signs}\\\\np\geq2-2c\qquad\text{divide both sides by}\ p\neq0\\\\\text{If}\ p0 ,\ \text{then}\\\boxed{n\geq\dfrac{2-2c}{p}}$

6 0

2 years ago