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GalinKa [24]
3 years ago
9

These two parallelograms are similar

Mathematics
2 answers:
Nastasia [14]3 years ago
8 0

it equals 12 i believe

stiks02 [169]3 years ago
8 0

In similar figures sides are in proportion

The sides of the bigger parallelogram are x+8 and 20

The sides of smaller parallelogram are x and 12

The sides are in proportion

\frac{x+8}{x} =\frac{20}{12}

We can solve this for x

To solve for x we cross multiply

20x=12(x+8)

20x=12x+96

Subtracting 12x both sides

20x-12x=96

8x=96

Dividing both sides by 8

x=12

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Solve for x. 5+(x-2)=-8
Arte-miy333 [17]

Answer:

x = -11

Step-by-step explanation:

First, get rid of parentheses:

5 + x - 2 = -8

Then, simplify:

3 + x = -8

Finally, subtract 3 on both sides:

x = -11

Hope this helps ^^

7 0
3 years ago
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It’s B. Dan is 124 miles from home at noon and is traveling at 62 miles per hour
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Jesse drank 3/4 of liter of water Monday before going jogging. He drank 3/5 of a liter of water after his jog. How much water di
charle [14.2K]

Answer:

1\frac{7}{20}

Step-by-step explanation:

Step one

Given data

On  Monday, Jesse drank 3/4 of liter of water before jogging

and drank 3/5 of liter after jogging

In all, Jesse drank 3/4 and 3/5 liters of water

= 3/4+3/5

the lcm is 20

=15+12/20

=27/20

in mixed numbers(i.e a whole and a fraction together we have) we have

1\frac{7}{20}

8 0
3 years ago
HELP ME PLEASE!!! I DON'T UNDERSTAND!
Rama09 [41]

Answer: 12

Step-by-step explanation:

this is a right angled triangle so you use the pythagorean theory

which is a^2 + b^2 = c^2

you have c and b already. c is the hypotenuse.

a^2 + 16^2 = 20^2

a^2 + 256 = 400

a^2 = 400 - 256

a^2 = 144

then you square root 144 and get..

a = 12

3 0
3 years ago
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the total cost, c, of an item purchased from a store is c = p .07p, where p is the price before sales tax, and there is a 7% sal
alekssr [168]
C = p + 0.07p
c = p(1 + 0.07)
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6 0
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