3 years ago

Which answer choice represents a person burning 45

Mathematics

1 answer:

S_A_V [24]3 years ago

8 0

I’m working it out give me like 5 minsss

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By how much in total value is the 1 in 87 614 greater than 4?

77julia77 [94]

Answer:

Step-by-step explanation:

14=10 + 4

14-4 =10

....................

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4 years ago

jen makes a rectangular banner. it is 3/4 yard long and 1/4 yard wide. what is the area, in square yards of the banner

SashulF [63]

Ok so in order to find the answer to this problem we are going to Multiply $\frac{3}{4}$ and $\frac{1}{4}$ . $\frac{3}{4}* \frac{1}{4}= \frac{3}{4}
$ $Answer:\boxed{ \frac{3}{4}} \\ 
$

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3 years ago

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1. What's the effect of scale factor on perimeter?<br>2. What's the effect of scale factor on area?

kobusy [5.1K]

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3 years ago

Which of the following expressions is a factor of the polynomial x 2 +3/2x-1

Elodia [21]

Answer:

$\large \boxed{\sf \ \ \ (x+2)(x-\dfrac{1}{2}) \ \ \ }$

Step-by-step explanation:

Hello,

let's solve

$x^2+\dfrac{3}{2}x-1=0\\\\ 2x^2+3x-2=0 \ \text{multiply by 2}\\\\\\$

$\Delta=b^2-4ac=9+4*2*2=9+16=25$

There are two solutions

$x_1=\dfrac{-3-\sqrt{25}}{4}\\\\x_1=\dfrac{-3-5}{4}\\\\x_1=\dfrac{-8}{4}\\\\\boxed{x_1=-2}$

And

$x_2=\dfrac{-3+\sqrt{25}}{4}\\\\x_2=\dfrac{-3+5}{4}\\\\x_2=\dfrac{2}{4}\\\\\boxed{x_2=\dfrac{1}{2}}$

So we can write

$x^2+\dfrac{3}{2}x-1\\\\=(x-x_1)(x-x_2)\\\\=(x+2)(x-\dfrac{1}{2})$

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

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3 years ago

The Library is 5 miles from the post office.How many yards is 5 miles

ZanzabumX [31]

8800 yards is equal to five miles

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