3 years ago

Find x. x = A. 7 B. 7√2 C. √(14)

Mathematics

2 answers:

natima [27]3 years ago

4 0

Answer:

The answer is b

Step-by-step explanation:

Elenna [48]3 years ago

4 0

Answer:

your answer should be "B"

Step-by-step explanation:

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Look at this equation y=7x+1/3x-6 if 3x=15, then what is the value of y?

Anarel [89]

Answer:

y=36/9 or y=4

Step-by-step explanation:

3x=15: x=5

y=7(5)+1/3(5)-6

y=36/15-6

y=4

4 0

3 years ago

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Which of the following statements is true?

IrinaVladis [17]

Answer:

option C is correct.

Step-by-step explanation:

Checking equation A

$(9x^3 + 12x) + (16x^3 -4x+1)= 24x^3 +16x-1\\9x^3+16x^3+12x-4x+1=24x^3+16x-1\\25x^3+8x+1\neq 24x^3+16x-1$

Checking equation B

$(3x+2x^2-4)-(x^2+x-5)=2x+x^2-9\\3x-x+2x^2-x^2-4+5=2x+x^2-9\\2x+x^2+1\neq 2x+x^2-9$

Checking equation C

$(10x^3+2x^2-11)+(9x^2+2x-2)=10x^3+11x^2+2x-13\\10x^3+2x^2+9x^2+2x-11-2=10x^3+11x^2+2x-13\\10x^3+11x^2+2x-13=10x^3+11x^2+2x-13$

Checking equation D

$(-7x^2+12)-(5-4x^2)=11x^2-17\\-7x^2+4x^2+12-5=11x^2-17\\-3x^2+7\neq 11x^2-17$

Hence, only option C is correct.

6 0

4 years ago

Describe all the numbers that when rounded to the nearest thousand are 645,000. Please help due tomorrow giving 10 points

Dafna11 [192]

That rounds to 645, 000 -644,999

4 0

3 years ago

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Please help must equal 180 Solve for x. x = [?] 2x + 9 8x + 1

Basile [38]

X=1 1/3 is that helpful because I don’t know if it’s right

8 0

3 years ago

Write as a single power of 8. 8 to the power of 8 ÷ 8 to the power of 2

OLEGan [10]

Answer: 8^6

Step-by-step explanation:

$\frac{8^8}{8^2}$ = $8^{6}$ subtract the bottom exponent from the top exponent.

7 0

3 years ago