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gavmur [86]
3 years ago
14

Is 12c + 24 equivalent to 3c + (4 +8)??

Mathematics
1 answer:
sesenic [268]3 years ago
4 0

Answer:

No

Step-by-step explanation:

For example: c=1

12c + 24 =  12×1 + 24 = 36

3c + 12 = 3×1 + 12 = 15

Equivalent means equal in value. So it's not giving equal value.

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2x^2+15x+7 (box method)
RoseWind [281]
(2x+1) (x+7)

I solved it by using the FOIL method, but you get the same answer either way
4 0
3 years ago
mrs.corn is makin a turkey dinner. it is 22 pounds. it takes 20 minutes a pound to cook a stuffed turkey and 15 minutes a pound
Vladimir79 [104]

If the turkey is stuffed so time it will be cook is:

T = 22 lb ( 20 min/ lb) = 440 min = 7 hrs and 20 min

If the turkey is unstuffed so the timme it will be cook is:

T = 22 lb (15 min / lb) = 330 min = 5 hrs and 30 min

If she wants dinner at 4:00 pm and it should 30 min berfore it is served

If the turket is stuffed so ii should be placed in the oven at 8:10 am

If the turkey is un stuffed it should be placed at the oven at 10:00 am

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3 years ago
What is the solutions of 2x^2 + 8x + 26 = 0
Aleks04 [339]

Answer:

-7/2

Step-by-step explanation:

4 0
3 years ago
The rectangle below has an area of 70 square meters.
nasty-shy [4]

Answer:

The side lengths are 10 by 7

Step-by-step explanation:

The area of a rectangle is

A = l*w

70 = (x - 11)(x - 8)

FOIL

70 = x^2 -8x-11x+88

Combine like terms

70 = x^2 -19x +88

Subtract 70 from each side

0 = x^2 -19x +88-70

0 = x^2 -19x+18

Factor

What number multiplies to 18 and adds to -19

-18*-1 =18

-18-1 = -19

0=(x-18)(x-1)

Using the zero product property

x-18=0   x-1=0

x=18   x=1

But x cannot x=1 because then the side lengths would be negative

x-18 = 10

x-11 = 7

The side lengths are 10 by 7

4 0
3 years ago
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