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Wittaler [7]
3 years ago
6

What is the volume of the prism?

Mathematics
2 answers:
nalin [4]3 years ago
7 0
127.5
12x2.5x4.25=127.5
wariber [46]3 years ago
6 0
4 1/2 feet tall Ggghhhhbbbbbbnnnhbhhhbh

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Can someone help me out rq pls? Much would be appreciated.
stich3 [128]
I think your answer is B. -1/2

Explanation: the rise is -4 and the run is 8. If u divide those by 2, you get -2 and 4. You divide that by half and get -1/2??
8 0
3 years ago
The variable z is directly proportional to x. When x is 11, z has the value 44. What is the value of z when x = 21?
dimulka [17.4K]

Directly proportional, both increase/decrease, Multiple k(constant you needed to solve for)..

Inversely --one increases as the other decreases, increase the denominator & fraction gets smaller.... So

Problem:

Dirextly to X (× by X)

Inversely to Y, (÷ by Y)

Z= k X/Y

Solve, working backwards: Z =5 becomes

5 = k (X) ÷ (Y). And

X=15 and Y =9 becomes

5= k(15)/(9). Undo ÷9, ×9 both sides

45= k(15). Now undo ×15 by ÷15 both sides

45/15 = 3. So k=3, (also called your constant of variation)....and your Equation/Proportion becomes...

Z = 3X/Y

Use the new #s.... X=23, Y=14

Z= 3×23÷14 = 69/14. If they want spirochete answer divide and round to corresponding # if decimals

4 0
3 years ago
Tell whether xy is positive or negative. If x is negative and y is positive, the product is
mamaluj [8]
Negative. A negative number times a positive number is equal to a negative number. X multiplied by Y is a positive.
6 0
3 years ago
A hardware dealer has 168kg of nails, if one nail weighs 0.25kg, how many nails he have?​
snow_tiger [21]

Answer:

He has 672 nails

Step-by-step explanation:

168/.25

7 0
2 years ago
Read 2 more answers
Write an inequality:<br><br> from (–5) to (–1) inclusive
Alekssandra [29.7K]

Answer:

Inclusive means that we'll use the signs ≤ and ≥. Let's call the variable in our inequality as x. Therefore, the answer is -5 ≤ x ≤ -1.

4 0
3 years ago
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