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vekshin1
3 years ago
9

What is the opposite of dividing by 21? A. dividing by 21 B. multiplying by 21 C. subtracting 21 D. adding 21​

Mathematics
1 answer:
Illusion [34]3 years ago
5 0

Answer:

the correct answer is option B

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A new car is purchased for 24600 dollars. The value of the car depreciates at 13.75% per year. What will the value of the car be
liraira [26]

Answer:

The value will be $1,411.20

Step-by-step explanation:

What we do here is to set up an exponential equation to calculate the value.

Mathematically it will look like this;

V = I(1-r)^n

where V is the future value

I is the initial amount = 24,600

r is rate of decrease = 13.75% = 13.75/100 = 0.1375

n is the number of years = 15 years

substituting these values, we have

V = 24,600(1-0.1375)^15

V = 24600(0.8625)^15

V = 1,411.165582454129

= $1,411.20

7 0
3 years ago
Pentagon A'B'C'D' is the image of pentagon ABCDE under a dilation,
viva [34]

Answer:

scale factor = \frac{1}{3}

Step-by-step explanation:

Compare the ratio of corresponding sides, image to original.

AB = 6 units and A'B' = 2 units, thus

scale factor = \frac{A'B'}{AB} = \frac{2}{6} = \frac{1}{3}

3 0
3 years ago
What is a congruent transformation?
erik [133]
In mathematics it’s another term for isometry
6 0
3 years ago
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What is the measure of BC?
CaHeK987 [17]

Answer:

Measure of BC = 10.

Step-by-step explanation:

This is an isosceles triangle because the 2 base angles are both 50 degrees.

So the 2 sloping sides AB and BC  are also equal.

3 0
3 years ago
Incline Electronics produces three different products in a plant that is open 40 hours per week. Each product requires the follo
Paladinen [302]

Answer:

is thier any way you can take a picture of what the problem is cause alot of the equation are not adding up the way you put them

8 0
2 years ago
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