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LenaWriter [7]
3 years ago
8

Simplify

Mathematics
1 answer:
Klio2033 [76]3 years ago
5 0

Answer:

10x-2y

Step-by-step explanation:

distribute for both of them then multiply both answers by 2 and add them

2(x+y)= (2x+2y) x2= 4x+4y

3(x-y)= (3x-3y) x2= 6x-6y

4x+4y+6x-6x

10x-2y

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A triangle has a base of 7 1/8 feet and height 7 1/5 ft. what is the area as a mixed number
sleet_krkn [62]

The answer is 25 13/20 square feet.

In order to complete this operation, it is first best to change your mixed numbers into improper fractions.

7 1/8 = 57/8

7 1/5 = 36/5

Now that we have these, we can put them into the triangle formula.

A = 1/2bh

A = (1/2)(57/8)(36/5)

A = 1026/40

You can then simplify this fraction by dividing the top and bottom by a factor of 2.

A = 513/20

Then, because we know 20 goes into 500, 25 times, we can pull that out and be left with a remainder of 13/20.

A = 25 13/20

8 0
3 years ago
Solve for n.<br> n-26 = -13<br> n=1
Paraphin [41]

Answer:

I believe n equals 13.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The area (A) of a circle with a radius of r is given by the formula and its diameter (d) is given by . Arrange the equations in
ella [17]

Answer:

see explanation

Step-by-step explanation:

A = πr² ← r is the radius and r = \frac{1}{2} d ← d is the diameter

Hence

π (\frac{1}{2} d)² = A, that is

\frac{d^2\pi }{4} = A ( multiply both sides by 4 )

d²π = 4A ( divide both sides by π )

d² = \frac{4A}{\pi } ( take the square root of both sides )

d = \sqrt{\frac{4A}{\pi } }

7 0
3 years ago
If EF = (7x + 8), FG = (9x - 8), and EG = 128, find the values of x, EF, and FG.
katrin [286]

Answer:

Answer:

x = 3.3

EF = 31.1

FG = 21.7

Step-by-step explanation:

Step-by-step explanation:

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3 years ago
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Rainbow [258]

Answer:

63.62

Step-by-step explanation:

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2 years ago
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