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leva [86]
2 years ago
9

Look back at Model it. How does substituting x + 2 for y in the second equation give you

Mathematics
1 answer:
Sidana [21]2 years ago
4 0

Answer:

x + 2 is a number + 2.

Step-by-step explanation:

in algebra, this could basically say anything plus 2 is<em> y</em>.

Let's say x is 2.

2 + 2 = 4

hope it helps!

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Please someone who to help me to solve this question.
Lorico [155]
First you have make the 2 and a half into 5/2. Then you have to find a common denominator of the two fractions, which would be 8. So the 7/8 you dont need to do anything to but the 5/2 you do... so multiply both the top and the bottom by 4 so you can get 8 on the bottom. that would be 20/8. now you can add them. so 7/8 + 20/8 = 27/8 
6 0
3 years ago
Read 2 more answers
The annual interest rate of Mike's savings account is 4.8%, and simple interest is calculated monthly. What is the periodic inte
Reptile [31]

The correct option will be: d. 0.4%

For finding the periodic interest rate , we need to divide the annual interest rate by the number of times interest calculated in a year.

Here, the simple interest is calculated monthly, that means the number of times interest calculated in a year will be 12.

Annual interest rate is 4.8%

So, the periodic interest rate = \frac{4.8}{12}= 0.4%

5 0
4 years ago
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Help Plss <br>How many solutions do y=5-2x and 4x+2y = 10 have?​
tia_tia [17]

y=2x+5

2(2x+5)+4x=10

4x+10+4x=10

8x=20

So there's one solution, x=2.5

5 0
3 years ago
Factor the expression completely.<br> 25x2-65x - 30
Anton [14]

Answer:

\large\boxed{25x^2-65x-30=5(x+3)(5x-2)}

Step-by-step explanation:

25x^2-65x-30=5(5x^2-13x-6)\\\\=5(5x^2-15x+2x-6)=5\bigg(5x(x-3)+2(x-3)\bigg)\\\\=5(x-3)(5x+2)

3 0
3 years ago
How do you determine if a relationship is proportional from a situation and equation
solniwko [45]

Answer:

There is a formula.

Step-by-step explanation:

the the x stands for your first set of numbers, the x stands for your second set of numbers, and the case stands for the constant of personality. Hope this helps

7 0
3 years ago
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