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Mashcka [7]
3 years ago
14

Solve the system of equations​

Mathematics
2 answers:
34kurt3 years ago
5 0

Answer:

y=17/2 and x=15/8

Step-by-step explanation:

By subsitution, we get 4x+4x+1=16, so 8x=15. Thus, x=15/8. Next, we plug x in to find y. y=4*15/8 +1, or 15/2 +1 = 17/2

BlackZzzverrR [31]3 years ago
5 0

Answer:

X= 15/8

Y= 17/2

Step-by-step explanation:

If you plug in the y equation into the 4x equation you will get the answer to x and then plug in the x to get the value of y.

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Edward has $220 in his bank account. If he withdraws $55 from his account, what is the balance in his account?
fiasKO [112]

Answer:

165 dollars

Step-by-step explanation:

use any method that works

6 0
3 years ago
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Simone claims that the slope of the line through (-2, 7) and (3, 0) is the same as the slope of the line through (2, 1) and (12,
JulijaS [17]

Answer:

Simone is correct

Step-by-step explanation:

Given

Line 1:

(x_1,y_1) = (-2, 7)

(x_2,y_2) = (3, 0)

Line 2:

(x_1,y_1) = (2, 1)

(x_2,y_2) =(12, -13)

Required

Is Simone correct?

Slope (m) is calculated using:

m = \frac{y_2 - y_1}{x_2 - x_1}

For Line 1

m = \frac{0 - 7}{3 - (-2)}

m = \frac{0 - 7}{3 +2}

m = \frac{-7}{5}

m = -\frac{7}{5}

For Line 2:

m = \frac{-13 - 1}{12 -2}

m = \frac{-14}{10}

Divide by 2/2

m = \frac{-14/2}{10/2}

m = \frac{-7}{5}

m = -\frac{7}{5}

By comparison, both lines have the same slope.

Hence, Simone is correct

3 0
3 years ago
I’m so confused can somebody help me
Setler [38]

Answer:

25

Step-by-step explanation:

"y varies inversely with x" means:

y = k / x

where k is a constant.

When x = 5, y = 10.

10 = k / 5

k = 50

y = 50 / x

When x = 2:

y = 50 / 2

y = 25

6 0
3 years ago
What id the greatest common factor shared by 24 and 54
Marysya12 [62]

Answer:

6.

Step-by-step explanation:

3 0
3 years ago
How do you do long divisions for 2 divided by 3339
JulijaS [17]

Answer:

3339/2=1669.5

Step-by-step explanation:

8 0
3 years ago
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