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AleksandrR [38]
2 years ago
7

Melissa is building

Mathematics
1 answer:
stepladder [879]2 years ago
4 0
Melissa is building
a skateboarding ramp by propping the end of a piece of wood on a cinder
block. If the ramp begins 24 inches from the block and the block is 7 inches tall, how long is
the piece of wood?
inches
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There is 1.95 dollars in a piggy bank and it is made up of 27 coins which are dimes and nickels how many of each coin are there
scZoUnD [109]
If there are 15 nickels which is $0.75 and 12 dimes which is $1.20, then that would equal $1.95 and be 27 coins.
5 0
3 years ago
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After heating a fixed volume of gas at 50 psia from 300° R to 600°R, its pressure will be:
Vadim26 [7]

Answer:

100 psia

Step-by-step explanation:

Applying,

Pressure law,

P/T = P'/T'................. Equation 1

Where P = initial pressure, P' = Final pressure, T = initial temperature, P' = Final temperature.

make P' the subject of the equation

P' = PT'/T............ Equation 2

From the question,

Given: P = 50 psia, T = 300°R = (300×5/9)K = 166.66 K, T' = 600°R = (600×5/9)K = 333.33 K

Substitute these values into equation 2

P' = (50×333.33)/166.66

P' ≈ 100 psia

P ≈ 100 psia

4 0
2 years ago
A child building a tower with Blocks uses 15 for the bottom row. Each row has 2 fewer blocks than the previous row. What formula
xenn [34]

Answer:

B)blocks in 5th row=15+(5-1)(-2)

Step-by-step explanation:

We are given that

Number of block in bottom row=15

Each row has 2 fewer blocks than the previous row

We have to find the formula would you use to find the number of blocks in the 5th row.

Number of blocks in  second row=15-2=15+1(-2)

Number of blocks in third row=15-2-2=15+2(-2)

Number of blocks in 4th row=15-2-2-2=15+3(-2)

Number of blocks in 5th row=15-2-2-2-2=15+4(-2)

Therefore, number of block in 5th row

15+(5-1)(-2)

This is required formula to find the number of blocks in the 5th row

Hence, option B is true.

B)blocks in 5th row=15+(5-1)(-2)

4 0
3 years ago
If a basketball has a circumference of 58 inches, how much air can it hold?<br>​
PSYCHO15rus [73]
Volume = pi*r^2
so 58^2*pi= 3364pi = approx 10,562.96 in^2
3 0
3 years ago
There are 25 servings in a 30.2-ounce jar of peanut butter. How many ounces of peanut butter are there in 1
Wewaii [24]
There should be 1.208 ounces of peanut butter in one serving. Since we are finding how many ounces in a serving, we divide from 30.2. 30.2 divided by 25 should be 1.208 ounces. :) I hope this helped
5 0
3 years ago
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