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Mrrafil [7]
3 years ago
14

Find x and y and the perimeter

Mathematics
1 answer:
asambeis [7]3 years ago
5 0

2+y+3=13

y=13-5=8

2+x+3=8

x=8-5=3

Perimeter=2(13+8)=42

or Perimeter=13+8+2+2+y+x+3+3=31+x+y=31+3+8=42

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How many years will it take for $4,000 to double at a simple interest rate of 5%?​ Show your work.
natita [175]

Answer: in explination

Step-by-step explanation:

annual interest = .05(4000) = 200  

to double, you need another $4000  

number of years = 4000/200 = 20  

annual interest = .05(4000) = 200  

to double, you need another $4000  

number of years = 4000/200 = 20  

it will take 20 years  

to check if you are right you would...

Check:

simple interest on $4000 for 20 years at 5%  

= .05(20)(4000) = 4000  

the amount = what we had + new amount  

= 4000 + 4000 = 8000 which is double what we started with  

So the answer would be it took 20 years.

3 0
3 years ago
12 − x = 7x + 32
Arada [10]

Answer:

C. the subtraction property of equality

Step-by-step explanation:

12-x = 7x + 32

Step - 1: -x = 7x + 20

In that case, we just swap 12 from the left side to right side, and then we subtract 12 from 32 which is on the right side. Therefore, we do not multiply, divide or add anything. So, the option "C" is correct.

Step 2: -8x = 20

In that case, we again subtract 12 by interchanging the side. Moreover, we change the side of 7x to deduct it from -x.

Therefore, in both the cases, we use the subtract property of equality.

5 0
3 years ago
Calculate the slope of the line passing through the two colored points below. (1,4) (-1,-1)
leonid [27]

Answer:

Slope = \frac{5}{2}

Step-by-step explanation:

We can define the slope as the "change in y values" divided by the "change in x values".

By change in, we mean, 2nd point MINUS the first point values.

The points given is:

(1,4)  &  (-1,-1)

<u>Change in y value:</u>

-1 - 4 = -5

<u>Change in x value:</u>

-1 -1 = -2

Slope is -5/-2 = 5/2

There is no answer choice. The correct answer is 5/2

6 0
3 years ago
A gardener has 27 pansies and 36 daisies. He planted an equal number of each type of flower in each row. What is the greatest po
Ghella [55]

Answer:

There will be 3 rows of pansies

Step-by-step explanation:

6 0
4 years ago
Solve for w in P = 2w + 2l, if P = 38 and l = 12.
vova2212 [387]
W= 7

38=2w+2(12)
                /
38=2w + 24
-24        -24

14=2w
divid by 2    divid by 2

7=w
4 0
4 years ago
Read 2 more answers
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