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Ulleksa [173]
3 years ago
12

Can someone help me please?

Mathematics
2 answers:
shusha [124]3 years ago
8 0
So, if the page is 12 inches wide, that's the width of the page, 12, minus the width of the photo, 7 1/2. 12 - 7 1/2 = 4 1/2. 
Now, we need to divide 4 1/2 by 2, so it will be even on both sides.
4 1/2 divided by 2 = 2 1/4.
He should put the picture 2 1/4 inches from each side of the page.
Novay_Z [31]3 years ago
6 0
It should 2 and 1/4, did my math, if you want me to explain then i'll be more than happy to.
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What is the axis of symmetry of the function f(x) = –(x + 9)(x – 21)?
ludmilkaskok [199]
First, we have to realize that this is factored form, so we have to put this in standard quadratic form using FOIL, which is a rule mandating how we multiply the numbers here. F stands for First, which means the first number inside the parentheses for both of them, then O means the first number in the first quantity(fancy word for parentheses) multiplied by the last number of the second quantity, and so forth. When you are done, you combine like terms

anyway, you end up with x²-12x-189, but you have to inverse all numbers because of the parentheses in front, so it becomes -x²+12x+189.

Now you can find the axis of symmetry uisng the equation -b=2a (oh yeah, I forgot to mention: the standard quadratic form is a(x)²+b(x)+c already). So you do -12 / -2, which then becomes 6.

The axis of symmetry is 6
3 0
3 years ago
PLS HELP ME Find a sum equivalent to the product shown. 5(x+z)
andrezito [222]

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20

Step-by-step explanation:

4 0
3 years ago
12x to the power of 5 divided by 3xto the power of 2
meriva

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the answer for this question is 0.713333333333

5 0
2 years ago
Which number represents 59% of 74??
alexandr1967 [171]

Answer:

43.66

Step-by-step explanation:

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4 0
3 years ago
Can anybody teach me how to solve this pls​
wel
Answer is 10 and 170, complementary angles are 90°, while supplementary angles are 180 in total, if angle A is 80 then you subtract 90 by 80 and you get 10, so that is angle B, So then you are asked what is angle C. Which is part of the supplementary angle so you take the 10° that you got from B and then you subtract 180 by the 10, And thats how you get 170 and that's how you know that C is 170 (hope this explanation helps)
3 0
2 years ago
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