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harkovskaia [24]
2 years ago
15

I need some help with this question. It says: expand and simplify 5(x + 7) + 3(x - 2)

Mathematics
1 answer:
Tanya [424]2 years ago
5 0

Answer:

8x+29

Step-by-step explanation:

open the brackets the collect like terms together

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Which pair of numbers is relatively prime?
Kazeer [188]

Answer: C. 625 and 81

Step-by-step explanation: A relatively prime pair is a pair in which in both numbers given, the only number that can go into each number is one. In 112 and 36, we know 2 can evenly go into each number because they both end in a positive number (112/2 is 56 and 36/2 is 18.) This means A is incorrect. As for B, 11 can evenly go into each number, leaving you with 25 and 7. B is incorrect. And then there's D. 5 can go into each number giving you 160 and 19. D is incorrect.

C is correct because the only numbers that can go evenly into 81 is 1, 3, 9, 27, and 81. None of these numbers, except one can go into 625 also.

3 0
3 years ago
Which phrase matches the algebraic expression below 2(x-7)+10
Alekssandra [29.7K]

Answer:

The sum of a number and 7 multiplied by 2 is increased by 10

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Practice Writing Composite Functions Given: f(x) = x - 7 and h(x) = 2x + 3 Write the rule for h(f(x)).
Setler79 [48]

Answer:

<h2>h(f(x)) = 2x - 11</h2>

Step-by-step explanation:

f(x) = x - 7

h(x) = 2x + 3

To find h(f(x)) substitute f(x) into h(x) that's replace every x in h(x) by f(x)

That's

h(f(x)) = 2(x - 7) + 3

h(f(x)) = 2x - 14 + 3

We have the final answer as

<h3>h(f(x)) = 2x - 11</h3>

Hope this helps you

6 0
3 years ago
If V is the midpoint of and W is the midpoint of , then what is VS?4 units8 units10 units20 units
Bess [88]
Is this on a graph if so you need to explain futher
6 0
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What is the midpoint of CD?<br> • (1/2,-5/2)<br> •(1,-5/2)<br> •(1/2,-3/2)<br> •(1,-3/2)
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Answer:

(1/2,-5/2)

Step-by-step explanation:

\frac{ - 3 + 4 }{2}  = \frac{1}{2}  \\   \frac{ - 4 +  - 1}{2}  =   \frac{ - 5}{2}

7 0
3 years ago
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