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3 years ago

Simplify: (p+10)(p+10)

Mathematics

2 answers:

Mama L [17]3 years ago

4 0

Answer:

The answer should be either 2(p+10) or 2p + 20

Step-by-step explanation:

just simplify.

Burka [1]3 years ago

3 0

Answer:

p^2 +20p+100

Step-by-step explanation:

Use Foil Method

First: p*p=p^2

Outside: 10*p=10p

Inside: 10*p= 10p

Last: 10*10= 100

Simplify p^2+10p +10p +100

ANSWER: p^2 +20p+100

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Martine’s town is building a volleyball court based on a scale drawing that is 40cm to 80cm and uses the scale 1cm:22.5cm write

never [62]

Answer:

$y=22.5x$

Step-by-step explanation:

we have that

The scale drawing is

$\frac{1}{22.5}\frac{cm}{cm}$

we know that

Using proportion find out the actual dimensions of the volleyball court

Let

x -----> drawing court lengths in cm

y ----> court lengths in cm

For x=40 cm

$\frac{1}{22.5}\frac{cm}{cm}=\frac{40}{y}\frac{cm}{cm}\\\\y=40*22.5\\\\y=900\ cm$

For x=80 cm

$\frac{1}{22.5}\frac{cm}{cm}=\frac{80}{y}\frac{cm}{cm}\\\\y=80*22.5\\\\y=1,800\ cm$

Find the equation for the proportional relation ship between drawing court lengths x in centimeters and court lengths in y centimeters

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

For x=40 cm, y=900

substitute

$k=y/x$ -----> $k=900/40=22.5$

The equation is

$y=22.5x$

5 0

3 years ago

Given z1 and z2 below. Calculate z1/z2 and write your answer in rcistheta form.

andre [41]

Answer:

(2/9)cis(30°)

Step-by-step explanation:

We can express the two numbers in magnitude∠angle form, then find their ratio.

|z1| = 3√((-1)² +(√3)²) = 3√4 = 6

∠z1 = arctan((3√3)/(-3)) = -arctan(√3) = 120°

z2 = 27∠90°

So, the ratio is ...

z1/z2 = (6∠120°)/(27∠90°) = (6/27)∠(120°-90°)

z1/z2 = (2/9)∠30°

8 0

3 years ago

Factor the expression. x squared-25

grin007 [14]

X2 - 25 = x2 - 52 = (x - 5)(x + 5)

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3 years ago

Find the product of −1 and −3

Lesechka [4]

Step-by-step explanation:

the product of −1 and −3

(-1)×(-3)

= 3

7 0

3 years ago

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Find a negative integer M so that the equation (x-12)(x+m) = m-51

andriy [413]

Answer:

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Step-by-step explanation:

dwadwdadw

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2 years ago