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seropon [69]
3 years ago
9

I've asked this question 3 times so plz answer

Mathematics
1 answer:
FrozenT [24]3 years ago
6 0

Answer:

C

Step-by-step explanation:

It makes the equation false because the answer on one side is false.

2(-4) + 0 = -8(-4) - 0 = -4

-8 + 0 = 32 - 0 = -4

-8 = 32 = -4

-8 does not equal 32. The equation is unbalanced.

So, the answer will be C) The ordered pair (−4, 0) is not a solution to the system because it makes at least one of the equations false.

Hope this helps

-Amelia

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Noah earns $16 per hour babysitting. At his last babysitting job, he received a tip of
nalin [4]

Answer:

He must work for 115 hours to save at least $1900.

Step-by-step explanation:

The equation that you'll use is 65+16x=1900, with x being hours. I found the answer by using 65+16(115)=1905, which is the closest number you'll get before starting to use half hours and such.

4 0
3 years ago
Simplify each expression 9(5x)
Tatiana [17]

Answer:

45x

Step-by-step explanation:

Just expand and coolect to get 9x5=45 and add x

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2 years ago
Read 2 more answers
Help please
melamori03 [73]

Hey There!

Answer:

D. 28

Explanation:

So all you have to do in your answer is evaluate:

-(-28)

= 28

= D. 28

Therefore, that is how you found your answer.

Hope this Helps!

3 0
4 years ago
Read 2 more answers
Please help!! and please show the work and the answer!!
kumpel [21]

Company 1: (24 + 26 + 28 + 23 + 21) / 5 (this is how many numbers added together) = 24.4

Company 2: (6 + 32 + 9 + 31 + 21) / 5 = 19.8

Company 3 (15 + 15 + 15 + 15 + 15) / 5 = 15

Company 4: (13 + 10 + 45 + 12 + 15) / 5 = 19

Company 1 has the longest average commute time per employee.

5 0
3 years ago
Struggling lol. Any help would be appreciated!
Alekssandra [29.7K]

Answer:

Heptagon = 84 ft²

Octagon  = 186 yd²

Triangle = 48√3 m²

Step-by-step explanation:

\textsf{area of a regular polygon}=\dfrac12ap

where:

  • a = length of apothem
  • p = perimeter

<u>Heptagon</u>

a = 5.0 ft

p = 33.6 ft

⇒ area = 1/2 x 5.0 x 33.6 = 84 ft²

<u>Octagon</u>

a = 7.5 yd

p = 8 x 6.2 = 49.6 yd

⇒ area = 1/2 x 7.5 x 49.6 = 186 yd²

<u>Triangle</u>

Formula for the apothem of an equilateral triangle :

a=\dfrac{s}{2\sqrt{3}}  where s = side length

a = 4, so:

4=\dfrac{s}{2\sqrt{3}}

\implies 8\sqrt{3}=s

Now we know the side length, we can calculate the perimeter (p):

p = 3 x 8√3 = 24√3

⇒ area = 1/2 x 4 x 24√3 = 48√3 m²

8 0
2 years ago
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