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Mandarinka [93]
3 years ago
7

What is the distributive property of 8(y-7)=-16

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
8 0

Answer:

y=5

Step-by-step explanation:

8(y-7)= -16

(8)y-(8)7= -16

8y-56= -16

-16+56= 40

40/8= 5

y=5

(when you get y by itself)

hoped this helped a little bit.

Alex_Xolod [135]3 years ago
4 0

Step-by-step explanation:

\text{The distributive property:}\\\\a(b-c)=ab-ac\\\\8(y-7)=(8)(y)-(8)(7)=8y-56\\\\\text{If you want whole solution:}\\\\8(y-7)=-16\\8y-56=-16\qquad\text{add 56 to both sides}\\8y-56+56=-16+56\\8y=40\qquad\text{divide both sides by 8}\\\dfrac{8y}{8}=\dfrac{40}{8}\\\boxed{y=5}

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Box a has a volume of 32 cubic meters. box b is similar to box a. to create box b, box a's dimensions were tripled. what is the
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The volume of box B is (A) 864 cubic meters.

<h3>What is volume?</h3>
  • The amount of three-dimensional space enclosed by a closed surface is expressed as a scalar quantity.
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  • Volume is frequently mathematically quantified using the SI-derived unit, the cubic meter.

To find the volume of box B:

  • We have been assigned a volume of 32 cubic meters.
  • The cubic root of 32 yields the box's dimensions, which are 3.1748 x 3.1748 x 3.1748 meters.
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The complete question is given below:

Box A has a volume of 32 cubic meters. Box B is similar to box A. To create box B, box A's dimensions were tripled. What is the volume of box B?

a. 864 m3.

b. 288 m3.

c. 96 m3.

d. 32 m3

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2 years ago
The perimeter of a triangle is 7a-11b . If two of its sides are 2a+b and a-9b, what is the third side?
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Answer:

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Step-by-step explanation:

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2 years ago
A 65​-inch board is cut into two pieces. One piece is four times the length of the other. Find the lengths of the two pieces.
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The shorter one is 13 and the other one is 52.
7 0
3 years ago
The athlete’s salary, in thousands, for the first two years is $400 and $400(1.05). Explain how to find her salary for each of t
enyata [817]
To find the salary for the next three years, we are going to use the formula for the nth term of a geometric sequence: a_{n}=a_{1}r^{n-1}
where
a_{n} is the nth term of the sequence 
a_{1} is the first term in the sequence 
r is the common ratio 
n is the position of the term in the sequence 

To check if the values $400 and 400(1.05) for a geometric sequence, we are going to find their common ratio. To find the common ratio, we are going to use the formula r= \frac{a_{n} }{a_{n-1}}
where 
a_{n} is the current term in the sequence 
a_{n-1} is the previous term in the sequence

We can infer from our values, that the current term of the sequence is 400(1.5), so a_{n-1}=400(1.5). That leaves 400 as the previous term, so a_{n-1}=400. Lets replace those values in our formula to find r:
r= \frac{a_{n} }{a_{n-1}}
r= \frac{400(1.05)}{400}
r=1.05

Now that we have our common ratio, we can replace it in our formula for the nth term to find the athlete's salary for each of the next three years. Notice that the first term of our sequence is $400, so a_{1}=400
a_{n}=a_{1}r^{n-1}
a_{n}=400(1.05)^{n-1}
a_{3}=400(1.05)^{3-1}
a_{3}=400(1.05)^{2}
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a_{4}=400(1.05)^{4-1}
a_{4}=400(1.05)^{3}
a_{4}=463.05

a_{5}=400(1.05)^{5-4}
a_{5}=400(1.05)^4
a_{5}=486.2025

We can conclude that the athlete's salary for each of the next three years is: $441,$463.05,486.2025 respectively. Also, those vales for a geometric sequence because they share a common ratio, (1.05).
6 0
3 years ago
Read 2 more answers
the difference between two numbers is 342. the bigger number is 4 times the smaller number. find the product of the two numbers.
SVETLANKA909090 [29]

Let the two numbers be x and y.

x = 4y

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xy = 4y * y = 456 * 114 = 51984

6 0
3 years ago
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