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love history [14]
3 years ago
8

Please help 15 points

Mathematics
2 answers:
nekit [7.7K]3 years ago
8 0

Answer:

Both blanks equal 2.

Step-by-step explanation:

2*5=10

2*4=8

10+8=18

9*2=18

strojnjashka [21]3 years ago
6 0

Answer:

2

Step-by-step explanation:

2x(5+4)=(_x5)+(_x4)

lets start with 2x(5+4)

(5+4)=9

so we are left with 2x9

2x9=18

so now we have 18=(_x5)+(_x4)

lets try 2 for the blank spaces

18=(2x5)+(2x4)

2x5=10

2x4=8

10+8=18

2x(5+4)=(2x5)+(2x4)

It worked! Hope this helps :)

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Firdavs [7]

Answer:

C. Both (1, 11) and (-1, -5)

Step-by-step explanation:

The missing options are:

<em> A. Only (1, 11) </em>

<em>B. Only (-1, -5)  </em>

<em>C. Both (1, 11) and (-1, -5) </em>

<em>D. Neither </em>

To check if an ordered pair is a solution of an equation, replace one variable into the equation an calculate the other one.

Replacing x = 1, we get:

y = 8(1) + 3

y = 11

then (1, 11) is a solution

Replacing x = -1, we get:

y = 8(-1) + 3

y = -5

then (-1, -5) is a solution

8 0
3 years ago
NEED HELP ASAP
joja [24]

Answer: 16517 dollars

Step-by-step explanation:

Given that x is the number of years after 2000.

In 2005, the number of years x = 4

Because the equation was modelled for 4 year college courses

The best estimate for the average cost of tuition in 2005 will be

ŷ = 937.98(4) + 12,764.90 

Y = 3751.92 + 12764.9

Y = 16516.82 dollars

Y = 16517 dollars

4 0
3 years ago
The area of a rectangular wall of a barn is 90 square feet. It’s length is 8 feet longer than twice it’s width. Find the length
vlada-n [284]

Answer: The answer is that the length is square ft, and the width is  .

Step-by-step explanation:

5 0
3 years ago
Someone please help me
liberstina [14]

Answer:

Its a i just took the test

Step-by-step explanation:

7 0
3 years ago
Which statement is true regarding the functions on the
fredd [130]

Answer:

I think f(0) = g(2) is the answer, I'm very sure.

Step-by-step explanation:

6 0
3 years ago
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