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DedPeter [7]
3 years ago
10

If A = {4, 7, 10, 13, 17} and B = {3, 5, 7, 9}, then which of the following statements is true?

Mathematics
1 answer:
Marysya12 [62]3 years ago
8 0
I have a feeling, these were the answer choices you were trying to make: <span>A ∪ B = {7}
B ⊆ B
B ⊂ A      Also, the second answer is the only one that's true


</span>
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( 7x + 1/2) + ( 7x - 7 and 1/2) Simplify
pishuonlain [190]

Answer:

The answer will be 7(2x - 1)

Step-by-step explanation:

1) Convert 7 and 1/2 to improper fraction. Use this rule: a b/c = ac + b/c

7x +  \frac{1}{2}  + 7x -  \frac{7 \times 2 + 1}{2}

2) Simplify 7 × 2 to 14 .

7x +  \frac{1}{2}  + 7x  -  \frac{14 + 1}{2}

3) Simplify 14 + 1 to 15.

7x +  \frac{1}{2}  + 7x -  \frac{15}{2}

4) Collect like terms.

(7x + 7x) + ( \frac{1}{2}  -  \frac{15}{2} )

5) simplify.

14x - 7

6) Factor out the common term 7.

7(2x - 1)

Therefor, the answer is 7( 2x - 1 ).

7 0
2 years ago
I need help to evaluate the function for the given value of x for y=2×5x; x=2
mars1129 [50]

Answer:

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Step-by-step explanation:

y=2*5x

Let x =2

y = 2*5 (2)

y = 10*2

y= 20

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2 years ago
−5x−1=<br> \,\,-2x+14<br> −2x+14
Scilla [17]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
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Leni [432]

Answer:

70

Step-by-step explanation:

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55+15=70

5 0
2 years ago
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