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tiny-mole [99]
3 years ago
8

Help fast pleaese Given a pyramid l = w = 9.0 mm and V = 324.0 cubic mm , find h in mm.

Mathematics
1 answer:
ikadub [295]3 years ago
8 0

Answer: h = 12mm

Step-by-step explanation:

The volume of a pyramid is given as :

V = \frac{1}{3} lwh

Therefore:

324 = \frac{1}{3} lwh

324 x 3 = 9 x 9 x h

Therefore:

h = 972/81

h = 12mm

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how much interest will roxanne have to pay if she borrows $3,000 for 3 years at a simple interest rate of 2%
Darya [45]
Simpe interest rate = PRT/100
— ( principal x rate x time ) / 100

$3,000 is the principal
3 years is the time
2% is the rate

so, PRT/100
(3,000 x 3 x 2) / 100
= $180

Answer : $180
4 0
4 years ago
During a birthday party, 1/4 drank fanta orange, 1/3 took coca cola 1/5 of the remainder drank sprite and the rest took krest wh
Licemer1 [7]

Answer:

1/12

Step-by-step explanation:

Since 1/4 drank fanta orange and 1/3 took coca cola, the. remainder will be:

= 1 - (1/4 + 1/3)

= 1 - 7/12

= 5/12

Therefore, 1/5 of the remainder drank sprite, the fraction that drank sprite will be:

= 1/5 × 5/12

= 1/12

3 0
2 years ago
Anna has $430. She wants to buy a phone that costs $275. Anna will also have to pay a sales tax of 7%.
ki77a [65]
19.25 (tax)
294.25 (total price)
135.75 (money left)

REASONING:

In this word problem it says Anna has 430 dollars. The phone costs 275 dollars. It also says that when she buys the phone, she will have to pay a tax of 7%.

To find how much tax she will pay, we must do [275] x [0.07]

After inputting this into a calculator, you will get 19.25 (tax)


To find the total price, all you have to do is add 19.25 to 275. When you do this, you will get 294.25 dollars (total price)


To find how much money she has left,

430-294.25=135.75 (money left)

5 0
3 years ago
Help please need asap!! Thank you
olganol [36]

Answer:

your welcome    

Step-by-step explanation:

....bbc

6 0
2 years ago
Music Jeremy spent $33 on 3 CDs .At this a rate how much would 5 CDs cost
kvasek [131]

Question: Jeremy spent $33 on 3 CDs .At this a rate how much would 5 CDs cost?

Answer: I think the answer is 55$.

Hope this helps. c;

8 0
3 years ago
Read 2 more answers
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