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Bumek [7]
3 years ago
11

Question 17 of 25

Mathematics
1 answer:
Sergio039 [100]3 years ago
5 0

Answer:

c. 0

Step-by-step explanation:

7 (x + 2) = 7x - 10

7x + 14 = 7x - 10

x could be anything and it wouldn't be solved.

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Write this expression so that its denominator, if any, is a positive integer.<br> 2/(3+sqrt(7))
Tanzania [10]

Answer:

The Answer is 3 - sqrt7

Step-by-step explanation:

2/3 + sqrt7   the starting equation

You multiply it by the conjugate which is 3 - sqrt7

= 2(3 - sqrt7) / (3 + sqrt7) (3 - sqrt7)  the equation after you multiply by 3 - sqrt7

(3 + sqrt7) (3 - sqrt7) = 2

= 2(3 - sqrt7) / 2    the equation after you simplify (3 + sqrt7) (3 - sqrt7)

Divide out the 2's

= 3 - sqrt7/1    the equation after you divide out the 2's

= 3 - sqrt7  is THE ANSWER

7 0
2 years ago
Savannah bought a book for 85% of the original price. By what percent of the price was the book reduced
agasfer [191]

Answer:

15%

Step-by-step explanation:

100-85=15

100%= the total cost of the book

85%= price she bought it for

15%= the percentage the book was reduced by

7 0
3 years ago
Read 2 more answers
A university will add fruit juice vending machines to its classroom buildings if the student body president is convinced that mo
Artemon [7]

Answer:

E) The sample size is n = 1,000, and 50 percent of all students use the vending machines.

Step-by-step explanation:

CollegeBoard

5 0
2 years ago
hình thang cân abcd ab//cd) đáy lớn = 2,7cm .cạnh bên dài 1cm, góc adc=60 độ . kẻ ae//bc. tính độ dài ab
Olenka [21]

Answer: Is this english or gibberish?

Step-by-step explanation:

7 0
2 years ago
A box has dimensions of 2.6 cm x 3.5 cm x 5.1 cm. What is the volume of the box in cubic centimeters?
aivan3 [116]

Answer:

46.4 cm3

Step-by-step explanation:

3 0
3 years ago
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