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finlep [7]
3 years ago
8

Find The Value Of P (20 Points)

Mathematics
2 answers:
EastWind [94]3 years ago
6 0
P = 322 - 125
P = 198
Alchen [17]3 years ago
5 0
P=322-125
P=197

hope this helps

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Hi guys! Can you guys help me I forgot what this is :)
SIZIF [17.4K]
<h3>Answers:</h3>
  • Point A = 3/10
  • Point B = 2/5
  • Point C = 9/10
  • Point D = 7/10

====================================

Explanation:

Point A is located at 0.3; each tickmark represents 0.1

0.3 as a fraction is 3/10 because 3 is in the tenths decimal place. This doesn't reduce.

----

Point B is at 0.4 which converts to 4/10 and then that reduces to 2/5. Divide both parts of 4/10 by 2 to get to 2/5

----

Point C is at 0.9 which converts to 9/10. That's as simplified as that fraction gets.

----

Point D is at 0.7 so it becomes 7/10. That doesn't reduce either.

3 0
4 years ago
A piece of wire is 76cm long. It is cut into two unequal parts and each part is bent into a square. The sum of the areas of the
NemiM [27]

Answer:

The length of the shorter part of the wire is 24 centimeters.

Step-by-step explanation:

Let L the total length of the piece of wire, where L-x and x are the perimeters of the greater and lesser squares. All lengths are measured in centimeters. Since squares have four sides of equal length, the side lengths for the greater and lesser squares are \frac{L-x}{4} and \frac{x}{4}. From statement we find that the sum of the areas of the two squares (A), measured in square centimeters, is represented by the following expression:

A = \left(\frac{L-x}{4} \right)^{2}+\left(\frac{x}{4} \right)^{2} (1)

And we expand this polynomial below:

A = \frac{L^{2}-2\cdot L\cdot x +x^{2}}{16} + \frac{x^{2}}{16}

A = \frac{L^{2}-2\cdot L\cdot x +2\cdot x^{2}}{16}

2\cdot x^{2}-2\cdot L\cdot x +L^{2}-16\cdot A = 0 (2)

If we know that L = 76\,cm and A = 205\,cm^{2 }, then the length of the shorter part of the wire is:

2\cdot x^{2}-152\cdot x +2496 = 0

By the Quadratic Formula, we determine the roots associated with the polynomial:

x_{1} = 52\,cm, x_{2} = 24\,cm

The length of the shorter part of the wire corresponds to the second root. Hence, the length of the shorter part of the wire is 24 centimeters.

3 0
3 years ago
In 56 years, Daniel will be 5 times as old as he is right now. <br> How old is he now?
LenKa [72]

Answer:

Daniel is 11 years and 2 months old (i think)

Step-by-step explanation:

6 0
3 years ago
Someone please help me!!
Rom4ik [11]

Answer:

-1/2 is the answer i think

3 0
3 years ago
Renata wins a $20 gift card to an online music site. After Renata purchases 16 songs, the gift card has a remaining balance of $
tresset_1 [31]

Answer:

2nd Option is correct.

Step-by-step explanation:

Given:

Renata has $20 in gift card.

She bought 16 songs.

After purchase Balance in gift card = $0

⇒ Cost of 16 songs = $20

⇒ Cost of 1 song = 20/16 = $ 1.25

let x represent number of songs purchased and y represent balance on her gift card.

So, Cost of x songs = 1.25 × x = 1.25x

And Balance = 20 - 1.25 x

Thus, Required equation representing relationship between balance on gift card and number of song purchased.

y = 20 - 1.25x

1.25x + y = 20

If we multiply both sides of equation with 4, we get

5x + 4y = 80

Therefore, 2nd Option is correct.

4 0
3 years ago
Read 2 more answers
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