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blondinia [14]
3 years ago
11

Someone please help me with these. I forgot how to do these. Need within a hour

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
3 0

Answer: same

Step-by-step explanation:

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Help me pleaseeeee (20 points)<br> what is the volume of this solid?
never [62]

Answer:

A) 39

Step-by-step explanation:

If you calculate the volume of the cube which is the V=a^3 you get 27, then calculating the pyramid, the Length is 3, and the Width is also 3. Then the height is 4. so you put that into the formula to calculate the volume which is V=L*W*H
    --------

        3

you get 12. Now its simple, you just add the 2 volumes, so you do 27+12 and its 39.

6 0
2 years ago
Read 2 more answers
3) Josie's collection of 39 coins includes twice as many nickels than quarters. If
Degger [83]

Answer:

13 quarters, 26 nickels.

Step-by-step explanation:

n will be number of nickels, q will be number of quarters, and we have 39 total coins

so n + q = 39 (number of nickels + number of quarters = 39 coins.

The problem also says there are twice as many nickels as quarters. so we can call the number of nickels n or we can call it 2q (2 times the number of quarters)

which means

n + q = 39

2q + q = 39

3q = 39

q = 13

and she has 2 times as many nickels as quarters... 2 x 13 = 26 nickels

LMK if you have questions.

If you want to double check the money,

n(0.05) + q(0.25) = 4.55 is the equation to use.

26(0.05) + 13(0.25) = 1.3 + 3.25 = $4.55

5 0
3 years ago
While waiting for a video game to download, you notice that 30% of 32,000 kilobytes have been downloaded so far. How many kiloby
Step2247 [10]
32000 * 0.3 = 9600

therefore 9600 <span>kilobytes have been downloaded so far</span>
3 0
4 years ago
How do I solve an equation like this= x to the third power equals 125 so what does x equal
AlladinOne [14]
The answer should be 5. If your asking what number multiply's to the third power, then it's 5. 5x5x5= 125.
4 0
3 years ago
I NEED HELP PLEASE I WILL MARK!!!!
WINSTONCH [101]

Answer:

_3/4/_2/3 the first one i hope u will mark me brai list

8 0
4 years ago
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