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kvasek [131]
3 years ago
14

How do I solve this equation?

Mathematics
1 answer:
Andreas93 [3]3 years ago
6 0
Set the 2 equations equal to each other since they both equal Y. then solve for X by moving all constants to one side and the X's to the other. you should get x=-3
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Write the equation to represent a line that contains the point (-2, 7) and a slope of -3.<br> y =
masya89 [10]

Answer:

y=mx+b

7=-3x-2+b

Or

2(7+3)=b

Step-by-step explanation:

6 0
3 years ago
Does someone mind helping me with this problem? Thank you!
Damm [24]

Using the Pythagorean theorem:

c = sqrt(8^2 + 7^2)

c = sqrt(64 + 49)

c = sqrt(113)

c = 10.6

7 0
2 years ago
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Roger has 7 dimes and 17 pennies. The total amount of money Roger has, in dollars, can be found by evaluating 7/10 + 17/100. Whi
stepan [7]
If you want to add fractions, you need to first make them like fractions, this means both fractions need to have the same denominator without changing its proportion:

7/10 = 70/100
17/100 = 17/100

Now it is the same and you can add them now because they are like fractions.

70/100 + 17/100 = 87/100

Your answer is B.
5 0
4 years ago
solve the system of equations 9x-9y=-9 and 4x-3y=-8 by combining the equations PLEASE HELP QUICKLY!!!!!
Len [333]

9x-9y=-9

x-y=-9/9

x-y+1=0.......(1)

4x-3y=-8

4x-3y+8=0....(2)

combining equation we get

(x-y+1)(4x-3y+8)=0

x(4x-3y+8)-y(4x-3y+8)+4x-3y+8=0

4x²-3xy+8x-4xy+3y²-8y+4x-3y+8=0

<u>4x²+3y²-7xy+12x-11y+8=0</u><u> </u><u>is</u><u> </u><u>your</u><u> </u><u>equation</u><u>.</u>

8 0
3 years ago
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$650 is invested in an account at 3%
o-na [289]

Answer:

Step-by-step explanation:

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End of first year = 650+19.5 = $669.50

End of second year = 669.50+19.5 = $ 689

End of third year = 689+19.5 = $708.50

End of fourth year = 708.50 +19.5 = $ 728

End of fifth year = 728 +19.5 = $747.50

8 0
4 years ago
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