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andreev551 [17]
3 years ago
8

1) 3x – 4y = 25

Mathematics
1 answer:
mr Goodwill [35]3 years ago
7 0
1) B. (3, –4), because <span>3(3) – 4(-4)= 9+ 16= 25
2) C: 12  solve this this system of equation X  + Y = 37  and  2X + 4 Y= 124
x: chichens and y pigs, you will find x=12, 
3) </span>b + p = 42
5b + 2p = 144
20 binders, solve the system, and you will find b=20
4) the solution is C) (–2, 1), because 3(-2) – 7 (1)= –6 -7=-13
5) A. It's not; the graphs of the two equations can intersect only once.<span>

</span>
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Which expression is equivalent to 7x , if b &gt; 0?
AlladinOne [14]
<h3>Answer:  Choice C</h3>

Work Shown:

7x^2*\sqrt{2x^4}*6\sqrt{2x^{12}}\\\\7*6x^2*\sqrt{2x^4*2x^{12}}\\\\42x^2*\sqrt{4x^{4+12}}\\\\42x^2*\sqrt{4x^{16}}\\\\42x^2*\sqrt{(2x^8)^2}\\\\42x^2*(2x^8)\\\\42*2x^{2+8}\\\\84x^{10}\\\\

So that's why the answer is choice C

The requirement that x is nonzero isn't technically necessary. The original expression simplifies to choice C even when x = 0 is the case. Also, we don't have issues such as division by zero errors that could arise. It's a bit curious why your teacher put in that condition.

6 0
3 years ago
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Which expression is the difference with 2 terms
erastovalidia [21]
B, 6x -9. the rest either contain two many terms or use a different operation. hope this helps x
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Asher is asked to find the factors of 10. His work is below. 10 x 1 10 10 x 2 20 10 x 3 30 So, the factors of 10 are 10, 20, and
kherson [118]

Asher did 10 x 1= 10, 10 x 2= 20, 10 x 3= 30

In Asher's work, each 10 is being multiplied with 1,2,3.

Multiplication represents multiples of a number.

In order to find the factors of a number, we need to find all numbers that can divide that particular number we need to find factor for.

Therefore, to find the factors of 10, we need to find the numbers that can divide 10 completely.

We can start from 1.

10 can be divided by 1. So, first factor of 10 is 1.

Now, if we check 2, we can see that 2 can also divide 10 completely.

Now checking 3,4. Those numbers can't divide 10 completely.

Now checking 5. 5 can also be divide 10 completely.

And next number is 10, that can divide 10 completely.

Therefore, factors of 10 are 1,2,5 and 10.

So, the following statements are applicable:

B) Asher found multiples of 10, not factors of 10.

D) Asher should have gotten this as the answer: 1,2,5, and 10

8 0
3 years ago
A balance scale was in perfect balance when Jane placed a box of candy on one pane of the balance and 3/4 of the same sized cand
dangina [55]

Answer:

Step-by-step explanation:

i'm pretty sure that you will have to add it.

so, when we add two fractions such as 3/4 + 3/4, we make sure that the denominators (the bottom numbers) are the same and then we simply add the numerators (the  top numbers).

in this problem, the denominators are the same so we will simply add 3+3 which equals to 6/4. the denominator will remain the same.

               <em>answer:</em>

                      3/4 + 3/4    =   6/4

<u>i hope this is helpful. </u>

5 0
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