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weeeeeb [17]
3 years ago
5

Help???? I’ll mark brainliest !!!!!!!

Mathematics
1 answer:
anzhelika [568]3 years ago
5 0

Answer:

(c a) (c d) (c b)

Step-by-step explanation:

it arranges in the order so i think it is the right answer

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What is the first step in adding these equations to eliminate y? 5x+6y=9
elena-14-01-66 [18.8K]

multiply all terms in the second equation by 2 to get the coefficient on the y variable to be -6.

2(4x-3y=8)\\8x-6y=16

7 0
4 years ago
suppose the number of fiction books is 2/7 times the number of nonfiction books. what would be the ratio of the numbers of nonfi
Elis [28]
Well, the total amount of books is all fiction books and nonfiction books, let's say is "x", total

now, the fiction books are 2:7 or 2/7 to nonfiction

so, if we divide the total "x" by 2+7, or 9, 2 of those quotients go to fiction and 7 of those go to nonfiction

if we divide "x" by 9, a "whole" is 9/9 or (9/9)x or 1x or just "x"

and we know 7 of those 9ths belong to nonfiction, thus

\bf \begin{array}{clclclll}
\cfrac{2}{9}&+&\cfrac{7}{9}&=&\cfrac{9}{9}\\
\uparrow &&\uparrow &&\uparrow \\
fiction&&nonfiction&&whole
\end{array}\\\\
-----------------------------\\\\
\cfrac{nonfiction}{whole}\implies \cfrac{7}{9}\implies 7:9\impliedby ratio
7 0
3 years ago
Choose the statement that is not always true. for a rhombus
andreev551 [17]

Answer:

equal sides


Step-by-step explanation:


the side aren't always the same



6 0
3 years ago
3. Yaritza and Eddy race to school on their bikes. Yaritza bikes 2 miles in 12 minutes, and
boyakko [2]

Answer:

Eddy

Step-by-step explanation:

2/12 = .166666666

3/15 =.2

.2 is faster

4 0
3 years ago
How do I graph -4x+6y=12
Vinvika [58]
\left[x \right] = \left[ -3+\frac{3\,y}{2}\right][x]=[−3+​2​​3y​​] this is answer
6 0
4 years ago
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