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exis [7]
3 years ago
13

Which of the following is a solution to the system of equations?

Mathematics
1 answer:
Butoxors [25]3 years ago
4 0

Answer:

(-1,-5)

Step-by-step explanation:

use substituation

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What is 37 percent of 51?​
alexdok [17]

Answer:

18.87

Step-by-step explanation:

51 × (.37) = 18.87

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3 years ago
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What is the number in standard form?<br><br> 4.9×10^8
belka [17]

In order to get the answer to this question you have to remember that if the exponent is positive you need to move to the right, and if the exponent is negative you got to move to the left.

  • 4.9\times10^8
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Therefore the answer is "490000000."

Hope this helps!

Nonportrit

6 0
2 years ago
I’m honestly confused on how to solve for k. please help.
stellarik [79]

Answer:

k=9

Step-by-step explanation:

slope =  \frac{y2 - y1 }{x2 - x1}  \\  \frac{ - 5}{2}  =  \frac{ - 11 - k}{6 - ( - 2)}  \\  -  ( \frac{5}{2} ) =  - ( \frac{11 + k}{8} ) \\  \frac{5}{2}  =  \frac{11 + k}{8}  \\ 5  \times 8 = 2(11 + k) \\ 40 = 22 + 2k \\ k =  \frac{40 - 22}{2}  \\ k = 9

4 0
1 year ago
Divide. (334)÷(−212) Enter your answer as a mixed number, in simplified form, in the box.
Mandarinka [93]

Answer:

-1.575, or -1 575/1000, or -1 23/40

Step-by-step explanation:

Simplify the problem slightly by prefacing it with " - " as follows:

    334

- ----------- = -1.575  =  -1 23/40

     212

3 0
3 years ago
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Ashlyn had some Barbie dolls. Joslyn has 78 barbies. Rounded to the nearest ten, together they have 140 Barbie dolls. How many d
azamat

ashlyn has 60 barbie dolls

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3 years ago
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