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Fed [463]
4 years ago
15

3.) Solve by Elimination: 3x + y = 15 2x + y = 11

Mathematics
2 answers:
Travka [436]4 years ago
5 0

Answer:

X = 4

Y = 3

Step-by-step explanation:

snow_tiger [21]4 years ago
5 0
X= -3 and y=4 see attached photo for steps

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Ab + c = d solve for B
Zepler [3.9K]

Answer:

b = (d-c)/a

Step-by-step explanation:

ab + c = d

We want to solve for b, so we need to get b alone

Subtract c from each side

ab+c-c = d-c

ab = (d-c)

Divide each side by a

ab/a = (d-c)/a

b = (d-c)/a

7 0
3 years ago
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An investment had return of 13% if inflation was 4.1% what was your real return ?
e-lub [12.9K]

Answer: 8.9%

Step-by-step explanation: 13 - 4.1

8 0
2 years ago
What is the surface area of the cone?
goblinko [34]

Answer: C

Step-by-step explanation:

To find the surface area of a cone, you use the formula A=\pi r(r+\sqrt{h^2+r^2} ). Since we are already given the height and radius, all we have to do is plug in the values and solve.

A=9\pi (9+\sqrt{41^2+9^2} )       [solve inside of square root]

A=9\pi (9+\sqrt{1762} )             [parenthesis]

A=9\pi (50.976 )                   [multiply]

A=458

Therefore, the closest answer is C.

3 0
3 years ago
Help me asap! <br><br><br> please help
OLEGan [10]

cross multiply:

21*9 = 189

7*q = 7q

so you have 189/7q

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189 / 7 =27

q = 27

8 0
3 years ago
Help me please !!!!
morpeh [17]

Answer:

1. Two endpoints. 2. Always. 3.Always

Step-by-step explanation:

7 0
3 years ago
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