4 years ago

What is the answer to 86+632 help pls

Mathematics

2 answers:

ch4aika [34]4 years ago

6 0

The answer is 718..............................

kap26 [50]4 years ago

5 0

The answer is 718. I hope I helped dude.

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Simplify the expression

erastova [34]

Answer : A

We need to simplify the given expression

Lets factor numerator first

$2x^2-5x-3$ =(2x+1)(x-3)

$x^2+8x+15$ =(x+5)(x+3)

Now we factor the denominator

$x^2+x-20$ =(x+5)(x-4)

$2x^2+9x+4$ =(2x+1)(x-4)

Now we simplify it

$\frac{(2x+1)(x-3)}{(x+5)(x-4)} * \frac{(x+5)(x+3)}{(2x+1)(x-4)}$

Now cancel out same factors. so we left with

$\frac{(x+3)(x-3)}{(x+4)(x-4)} }$

Now multiply the factors

$\frac{x^2-9}{x^2-16} }$

6 0

3 years ago

jim is building a model of a square pyramid for a class project the side length of the square base is 12 inches and the slant he

yulyashka [42]

Surface area of a square pyramid is the area of the base + 4 times the area of one of the slanted sides.
Area of base = side length * side length
Area of side = (1/2) * side length * slant height
Don't forget that you have to multiply the area of the side by 4!

Step 1: 12 x 12 = 144
Step 2: 12 x 20 = 240 divided by 2 = 120
Step 3: 144 + 120 x 4

4 0

3 years ago

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Calvin paid $1.79$1.79 per pound of beans both times that he went shopping for supplies for a chili cook-off. He bought 4.054.05

qwelly [4]

1.79(4.05 + 2.78) is the answer i had this question and this is the right answer I hope it helps

5 0

4 years ago

Read 2 more answers

A cable is 20 meters long. How long is the cable in decimeters?

Sunny_sXe [5.5K]

200 decimeters
explanation: there is 10 decimeters in a meter
so 10×20=200

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