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likoan [24]
2 years ago
10

Consider the equation 3p-7+p=13

Mathematics
1 answer:
GarryVolchara [31]2 years ago
3 0

Answer:

p=5

Step-by-step explanation:

3p-7+p=13

Add like terms.

3p+p-7=13

4p-7=13

Add 7 to both sides.

4p-7+7=13+7

4p=20

Divide 4 from both sides.

\frac{4p}{4}=\frac{20}{4}

p=5

Hope this helps!

If not, I am sorry.

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Write the expression in radical form x1/5
mote1985 [20]

Answer:

\large\boxed{x^\frac{1}{5}=\sqrt[5]{x}}

Step-by-step explanation:

a^\frac{1}{n}=\sqrt[n]{a}\\\\\text{Therefore}\\\\x^\frac{1}{5}=\sqrt[5]{x}

6 0
4 years ago
Some help me with these two questions please!!!!!!!
Hatshy [7]

Answer:

I believe #20. is A

Step-by-step explanation:

because if you use distributive property and multiply the 5 to the () numbers you  will get your original question.

Also, i cant see all of the options for #21.

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3 years ago
A bus makes 28 stops every 2 hours. How many stops does it make in 3 hours? And 4 hours
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Suppose that a rectangle has an area of 54 square meters. Express the perimeter P as a function of the length x of one of the si
Lapatulllka [165]

Answer:

P(x) = 2\left(x+\dfrac{54}{x}\right)

Step-by-step explanation:

The area of the rectangle can be written as:

A = x*h

here, x is one side length, and h is the other side length. This area is said to be equal to 54 square meters.

54 = x*h

The perimeter of a rectangle can be written as:

P = 2x+2h

To express perimeter only in terms of x (in other words making it a function P(x)). we need to replace h. And this can be done by using the equation of area that we derived earlier.

54 = x*h

h=\dfrac{54}{x}

now we can substitute this 'h' into our equation of the perimeter.

P = 2x+2\left(\dfrac{54}{x}\right)

P = 2\left(x+\dfrac{54}{x}\right)

and voila! we have expressed P in terms of x only.

this can be written as P as a function of x as:

P(x) = 2\left(x+\dfrac{54}{x}\right)

6 0
4 years ago
Write the equation of a circle with a center at (2.5, –3.5) and a diameter of 12.
Paul [167]

Answer:

second option

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Here diameter = 12, thus radius = 12 ÷ 2 = 6 and (h, k) = (2.5, - 3.5), thus

(x - 2.5)² + (y - (- 3.5))² = 6², that is

(x - 2.5)² + (y + 3.5)² = 36 ← equation of circle

3 0
4 years ago
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