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Fynjy0 [20]
3 years ago
5

Solve for p and simplify: m=3/4t times (f-2p) please show step by step!

Mathematics
2 answers:
Irina-Kira [14]3 years ago
6 0

Answer:

p=-\frac{2}{3}m+\frac{1}{2}ft

Step-by-step explanation:

We have been given an equation m=\frac{3}{4}t\times (f-2p). We are asked to solve for p.

m=\frac{3}{4}t\times (f-2p)

Use distributive property:

m=\frac{3}{4}ft-\frac{6p}{4}

m=\frac{3}{4}ft-\frac{3p}{2}

Subtract \frac{3}{4}ft from both sides:

m-\frac{3}{4}ft=\frac{3}{4}ft-\frac{3}{4}ft-\frac{3p}{2}

m-\frac{3}{4}ft=-\frac{3p}{2}

Multiply both sides by \frac{-2}{3}:

(m-\frac{3}{4}ft)\times\frac{-2}{3}=\frac{-2}{3}\times \frac{-3p}{2}

-\frac{2}{3}m+\frac{1}{2}ft=p

Therefore, our required equation would be p=-\frac{2}{3}m+\frac{1}{2}ft.

Ira Lisetskai [31]3 years ago
3 0

Firstly, foil 3/4t(f - 2p): m=\frac{3}{4}ft-\frac{3}{2}p

Next, subtract both sides by 3/4ft: m-\frac{3}{4}ft=-\frac{3}{2}p

Lastly, multiply both sides by -2/3 and <u>your answer will be: -\frac{2}{3}m+\frac{1}{2}ft=p</u>

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3 years ago
A tree that is 3 feet tall is growing at a rate of 32% each year. How tall will it be in 3 years?
pashok25 [27]

Answer: 5.88 feet tall

Step-by-step explanation:

Using this formula

Interest =principal×rate×time/100

Principal is the actual growth=3ft

Rate is the 32%

Time is 3yrs

Interest =3×32×3/100

Interest =2.88

To get the value for 3yrs,add the interest to the principal value

Exact value in 3yrs=

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4 0
3 years ago
A field in the shape of a right triangle is bordered on one side by a stream, on another side by a road, and on a third side by
trasher [3.6K]

Answer:

42°

Step-by-step explanation:

For this problem, it may help you to draw it out to visualize it. You want to find the angle between the stream and road. Based on the description the triangle looks like this.

                         / |

Stream(27)      /   |  Road( 20)

                     /__|

                   Fence

You know the length of the road is 20, and the stream is 27. The angle can be found by using Cos∅=a/h. Adjacent to where the road and stream meet is the road, 20, and hypotenuse is the stream, 27.

So 20/27 = .74 = Cos∅

To find the angle ∅ use inverse cosine to get 42°.

Hope that helps and let me know if I did anything incorrectly!

5 0
3 years ago
The swimming team has competed in 45 races this season. They have won 30 races so far. How many races will the team need to win
tatuchka [14]

Answer:

15 races

Step-by-step explanation:

The team has competed in 45 and has won 30. So the success rate is:

Success rate is:

Sccess\ rate=r= \frac{30}{45}*100\\ =66.7\ percent

We have to find the number of races the team needs to win for 75% success rate

Which means that

r = \frac{30+x}{45+x} = 0.75\\

We have to solve the equation for x

\frac{30+x}{45+x}=0.75\\ 30+x = 0.75(45+x)\\30+x=33.75+0.75x\\x-0.75x=33.75-30\\0.25x=3.75\\x=\frac{3.75}{0.25}\\ x=15

The team needs to win 15 races to get 75% success rate ..

4 0
3 years ago
Which set is in order from smallest to largest?
shutvik [7]
D. will be your answer. 
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