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AysviL [449]
4 years ago
5

Is going from $8 to $10 a percent increase or a percent decrease?

Mathematics
2 answers:
Ilia_Sergeevich [38]4 years ago
8 0

Answer:

Percent Increase

Step-by-step explanation:

adelina 88 [10]4 years ago
6 0

Answer:

Increase by 25%

Step-by-step explanation:

the number 8 is increasing to 10

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The width of a large, rectangular-shaped tree farm is 1.9 kilometers. The length of the farm is 4.4 kilometers. What are the bes
Vinvika [58]

Answer:

9 square kilometers

Step-by-step explanation:

Let's round the width to 2.0 kilometers, and round the length to 4.5 kilometers.

We know that area is length times width, so

A = lw

A = 2.0*4.5

<u>A = 9.0 square kilometers</u>

If we do this on the calculator, it's around 9.36 square kilometers, so our estimate was good.

6 0
4 years ago
What is the completely factored form of d4 -8d2 + 16
irinina [24]
According to Vieta's Formulas, if x_1,x_2 are solutions of a given quadratic equation:

ax^2+bx+c=0

Then:

a(x-x_1)(x-x_2) is the completely factored form of ax^2+bx+c.

If choose x=d^2, then:

\displaystyle x^2-8x+16=0\\\\x_{1,2}= \frac{8\pm  \sqrt{64-64} }{2}=4

So, according to Vieta's formula, we can get:

x^2-8x+16=(x-4)(x-4)= (x-4)^2

But x=d^2:

d^4-8d^2+16=(d^2-4)^2=[(d+2)(d-2)]^2=(d+2)^2(d-2)^2
8 0
3 years ago
What is the square root of 4
Masja [62]

Answer:

√4 = 2

Because 2 × 2 = 4

If you want to get square root of any number find the number which you can multiply two times to give you that certain number

8 0
3 years ago
Find the value that makes the equation<br> 2d + 4 = 12 true.
k0ka [10]

Answer:

4

Step-by-step explanation:

First, subtract 4 from both sides, then divide by 2 to isolate the variable.

2d+4=12\\2d=8\\d=2

3 0
3 years ago
Read 2 more answers
A store needs to purchase uniforms for its employees. Company A charges a flat fee of $115 plus $20 per uniform. Company B does
Eddi Din [679]

Answer:it

It is 120

Step-by-step explanation:

8 0
4 years ago
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