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jeka57 [31]
2 years ago
8

Add. (7 +4m) + (8 + 2c) +

Mathematics
1 answer:
tangare [24]2 years ago
8 0

Answer:

15 + 4m + 2c

Step-by-step explanation:

(7 + 4m)  +  ( 8 + 2c) =  OPEN BRACKETS

7 + 8 + 4m + 2c  =  15 + 4m + 2c

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One side of a triangle is 2 times the second side. The third side is 5 ft longer than the second side. The perimeter of a triang
TiliK225 [7]

Answer:

The length of each side of triangle are 19 ft, 24 ft and 38 ft.

Step-by-step explanation:

Let the length of second side be x.

Now given:

Length of first side is 2 times length of second side.

Length of first side = 2x

Also, Length of third side is 5 ft longer than the second side.

Length of third side = 5+x

Perimeter of triangle = 81 ft.

We need to find the length of each side.

Now perimeter of triangle is sum of all three sides of triangle.

Therefore;

Perimeter of triangle =  Length of first side + length of second side + Length of third side.

2x+x+5+x=81 ft\\4x+5=81ft\\4x= 81 -5 ft\\4x = 76ft\\x= \frac{76}{4} = 19 ft

Length of Second Side = 19 ft.

Length of First side = 2x= 2\times19 = 38 ft

Length of Third side = 5+x= 5+19=24ft

Hence the Length of triangles are 19 ft,38 ft,24 ft.

3 0
3 years ago
How do u estimate 5004​
Brrunno [24]

Answer:

5004 \approx5000

3 0
2 years ago
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Can somebody help me?
HACTEHA [7]

Answer:I cannot see photo

5 0
2 years ago
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5x - (x + 3)= 1/3 (9x + 18) - 5
telo118 [61]
1/3(9x) =3x
1/3(18) =6

3x+6-5

Then you do
-(x)=-x
-(3)=-3

5x-x-3 = 4x-3

4x-3=3x+6-5
4x-3=3x+1

x=4
4 0
2 years ago
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if 4 people want tk use a canoe that can only hold up to 800 pounds and they have 60 pounds of gear, what must the average weigh
bekas [8.4K]

Answer:

185 pounds

800 - 60 = 740

740 ÷ 4 = 185

6 0
3 years ago
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