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ratelena [41]
3 years ago
9

Which expression is 4 times as large as the expression 34-15?

Mathematics
2 answers:
Sindrei [870]3 years ago
8 0
4*(34-15)
The other options wouldn't work because A) That's not even what the question is and B) Order of operations would mess it up

Svetach [21]3 years ago
4 0

Answer:

C. 4*(34-15)

Step-by-step explanation:

We are asked to find the expression, which is 4 times as large as the expression 34-15.

To find the expression 4 times as large as given expression, we will multiply given expression by 4 as:

4*(34-15)

Therefore, our required expression would be 4*(34-15).

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If you are dividing a whole number by a fraction you must first do what to the whole number?
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Multiply the whole number by the denominator of the fraction.

90 / 1/10 = 900Step-by-step explanation:

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3 years ago
The vertex form of the equation of a parabola is y = 2(x+ 4)2 - 7.
Anuta_ua [19.1K]

Answer:

100%

Step-by-step explanation:

your answer is 4x + 9

4 0
3 years ago
WILL MARK BRAINLIEST FOR THE BEST ANSWER. PLEASE SHOW FULL SOLUTIONS. THANK YOU AND GOD BLESS. THE QUESTION IS ATTACHED. :)
Anuta_ua [19.1K]

9514 1404 393

Answer:

  (x, y) = (34/5, -4/5) = (6.8, -0.8)

Step-by-step explanation:

Subtract the first equation from the second to eliminate x.

  \left(\dfrac{x}{3}-\dfrac{y}{2}\right)-\left(\dfrac{x-5}{3}+\dfrac{y+2}{3}\right)=\left(\dfrac{8}{3}\right)-(1)\\\\y\left(-\dfrac{1}{2}-\dfrac{1}{3}\right)+\left(\dfrac{5}{3}-\dfrac{2}{3}\right)=\dfrac{5}{3} \qquad\text{partially simplify}\\\\-\dfrac{5}{6}y=\dfrac{2}{3} \qquad\text{subtract 1}\\\\y=-\dfrac{4}{5} \qquad\text{multiply by $-\dfrac{6}{5}$}

Substituting for y in the second equation, we can find x.

  \dfrac{x}{3}-\dfrac{1}{2}\left(-\dfrac{4}{5}\right)=\dfrac{8}{3}\\\\5x +6=40 \qquad\text{multiply by 15}\\\\5x=34\qquad\text{subtract 6}\\\\x=\dfrac{34}{5}

The solution is (x, y) = (34/5, -4/5) = (6.8, -0.8).

7 0
3 years ago
The perimeter of a triangle is 7 a − 11 b . If two of its sides are 2 a + b and a − 9 b , what is the third side?
Genrish500 [490]

Answer:

To find the missing side we need to calculate the sum of the two given sides and then subtract that from the perimeter.

7a - 11b - (2a + b + a - 9b)

= 7a - 11b - (3a - 8b)

= 7a - 3a - 11b + 8b

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8 0
3 years ago
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