Est. Length: Est. Length: 0:2000Time Taken: 000:48Emalee Welsh: Attempt 1Questions What is the solution to the system of equations?0 of 5 questions savedUse the linear combination method.Page 1:1 2 3 4 5Legendsaved Response8)Unsaved ResponseInfo Item(-2, 12)Quiz Status(0,2)Quiz Started(-3, 17)

Answers

Answer 1

Answer: 5x + y = 2
4x + y = 4

5x + y = 2
-(4x + y = 4)

5x + y = 2
-4x - y = -4
x = -2

x = -2

5x + y = 2
5(-2) + y = 2
-10 + y = 2
y = 2 + 10
y = 12

x = - 2
4x + y = 4
4(-2) + y = 4
-8 + y = 4
y = 4 + 8
y = 12

x = -2 ; y = 12 ⇒ (-2,12)

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13. John and Jane ate lunch at a local restaurant and wanted to divide the bill evenly. Thebill for the food was $8.70, plus 2 sodas for $0.75 each, including tax. How muchmoney back should just John receive if he pays for his half with a $20 bill?
Segment CD is given with vertices C(a,b) and D(2a,b). Find the length of segment C'D', the image of segment CD after a dilation with a scale factor of 2.
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Solve the inequality. |3x + 6| < 12A. –6 > x > 2 B. –2 < x < 2 C. –6 < x < 2 D. –21 < x < 3

A circle has its center at the origin, and (5, -12) is a point on the circle. How long is the radius of the circle?

Answers

Use the distance formula. The square root of (X2-X1)squared + (Y2-Y1)squared.

1
8.5
ft
8.5
ft
.
A=

Answers

Answer:

72.25

Step-by-step explanation:

Area=Width*Height

W:8.5

H:8.5

Equation:8.5*8.5=72.25

The answer is 8.5 ft

Answers

Answer: On Friday, he spend the least amount of time on the running machine.

Step-by-step explanation:

Since we have given that

Monday 0.3 = $0.3* 100\%=30\%$

Tuesday = 15%

Wednesday = $(1)/(6)* 100\%=16.67\%$

Thursday = $0.2* 100\%=20\%$

Friday = $(1)/(8)* 100\%=12.5\%$

Hence, we can compare all the days, and we get that

On Friday, he spend the least amount of time on the running machine.

Thursday sonnnnnnnnnnnnn

Which is a factor of x2 - 9x + 14?
O X-9
O X-2
O x + 5
O x + 7

Answers

Answer:

X-2

Step-by-step explanation:

ON MY DOG WAGGY TAIL DIS DA RIGHT ANSWER

(X-7) and (x-2)
Factor x2 -9x+ 15 using the AC method

Solve for x

3x + 3 − x + (−7) > 6

Answers

3x + 3 - x + (-7) > 6

3x - x + 3 + (-7) > 6 +(-) = -

2x + 3 - 7 > 6

2x - 4 > 6

2x > 6 + 4

2x > 10 Divide both sides by 2

x > 10/2

x > 5

I hope this really helped. Thanks for posting the question.

Three families each have three sons and no daughters. Assuming boy and girl babies are equally likely, what is the probability of this event?

Answers

I don't think it matters how many families are involved.
You're talking nine live births, and the probability of a
male birth each time is 50% .

So the probability of nine males in nine births is

(1/2)^9 = 1/512 = about 0.195 percent (rounded)

three families with three children all boys
parents-2
children-3
total-5 times 3= 15
then boys-3 times three=9

Answer: 9/12
Percentage:75%

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