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ch4aika [34]
3 years ago
14

Help? Will give brainliest

Mathematics
1 answer:
jenyasd209 [6]3 years ago
3 0

Answer:

2) A

3) A

Step-by-step explanation:

2:

3y + 4x = 15

(divide 15 by 3 to get y by itself... then subtract 4 to the side with 15 so you have the proper equation)

y = 5 - 4x (when you graph it, the y intercept is 5)

3:

since x = -4y  ... you substitute that into the second equation

-4y + 5y = 2

then solve for y

y = 2

so now you substitute y into the first line

x = -4(2)

x = -8

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1
antoniya [11.8K]

Answer:

4/5

Step-by-step explanation:

1, 2 , 3 and 4 are factors of 12

so 4 out of 5

4/5 is the probability of getting factor of 12

3 0
3 years ago
Find the circumference please
UkoKoshka [18]

Answer: 5.026548. or 5.03

Step-by-step explanation:

circumference is pi times diameter

1.6 x pi is 5.026548, which simplified is 5.03

7 0
3 years ago
Read 2 more answers
X less then or equal to -1
babunello [35]

Answer:

x ≤ -1

Step-by-step explanation:

I hope this helped!

7 0
4 years ago
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Estimate the sum of the lengths of ribbon. 7 yards + 8.2 yards Which statements are true about the estimate? Check all that appl
madreJ [45]

i don't really know, but it looks like b and d

7 0
3 years ago
Can someone help me with these four questions? They're the pictures (including possible answers)
34kurt
What is great about this question is that you aren’t required to give numerical approximations of the rate of change over the interval. This means that you have a lot less work to do than you think.

Start by drawing a dot on each y-coordinate of every given x value in the interval table (-13, -10, -5, -2, and 0). Then, for each interval, draw a straight line between the two y-coordinates of the two x-values given in the interval. So, for interval A, you would draw a straight line from f(-13) to f(-10). This line would have a steep downward slope; this means that the average rate of change over this interval is negative, or less than zero. A satisfies the question.

Interval B has a positive slope between the two y-coordinates, so it doesn’t satisfy the question. Interval C has a line with a slope of 0, but does satisfy the question because it’s asking for average changes less than or equal to zero.

The answer for this problem would be intervals A and C, the answer that is selected.
8 0
3 years ago
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