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STALIN [3.7K]
2 years ago
8

4. I NEED HELP ASAP!! PLEASE PUT AND ANSWER AND STEP BY STEP EQUATION!! IF YOU DON'T KNOW THE ANSWER DON'T PUT ANYTHING!!

Mathematics
2 answers:
8_murik_8 [283]2 years ago
8 0

Answer:

y = -x+2

Step-by-step explanation:

For first one

tino4ka555 [31]2 years ago
5 0

Answer:

The answer is A (y = 2x - 2)

Step-by-step explanation:

B and D aren't correct because the y-intercept is a positive 2 instead of negative 2 like the graph shown. We're now left with A and C. Go on one point of the graph and count up or down to go on the same y value as the other point. Go left or right and count until you go to the same point. Remember that the slope equation is rise/run. Rise meaning up or down. Run meaning left or right.

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What are two numbers that are 4 away from zero on a number line?
tatiyna

Answer:

4 and -4

Step-by-step explanation:

Because 4 to the left of 0 is negative and 4 to the right is positive

8 0
2 years ago
Read 2 more answers
Simplify the product –8(–9) <br> A.71<br> B.74<br> C.72<br> D.70
Fittoniya [83]

Answer:

the answer is 72....

- × - = +

5 0
3 years ago
Read 2 more answers
Look at picture. Does anybody know the answer I’m lost?
masha68 [24]

Let x,y be the dimensions of the rectangle. We know the equations for both area and perimeter:

A=xy=36

P=2(x+y)=36 \iff x+y=18

So, we have  the following system:

\begin{cases}xy=36\\x+y=18\end{cases}

From the second equation, we can deduce

y=18-x

Plug this in the first equation to get

xy=x(18-x)=-x^2+18=36

Refactor as

x^2-18x+36=0

And solve with the usual quadratic formula to get

x=9\pm3\sqrt{5}

Both solutions are feasible, because they're both positive.

If we chose the positive solution, we have

x=9+3\sqrt{5} \implies y=18-x=18-9-3\sqrt{5}=9-3\sqrt{5}

If we choose the negative solution, we have

x=9-3\sqrt{5} \implies y=18-x=18-9+3\sqrt{5}=9+3\sqrt{5}

So, we're just swapping the role of x and y. The two dimensions of the rectangle are 9+3\sqrt{5} and 9-3\sqrt{5}

6 0
3 years ago
Which is the best estimate for the product of 3,826.301 × 175.6?
dem82 [27]
If you round 3,826.301 and 175.6 to the nearest hundred you will get 3,800 and 200.

Multiply 3,800 * 200 = 760000

760,000 rounded to the nearest hundred thousand is 800,000.

The best estimate for the product 3,826.301 × 175.6 is B. 800,000. 
7 0
3 years ago
Read 2 more answers
​(e) what might you conclude if a random sample of 3636 time intervals between eruptions has a mean longer than 104104 ​minutes?
OverLord2011 [107]
The answer in this question is A, D and E, we might conclude if a random sample of 36 time interval between eruption has a mean longer that 104 minutes, I can conclude that the population means may be greater than 91 and the probability mean must be more that 91, since the probability is low and also the population mean is 91, and this is an example of a typical sampling result.
5 0
3 years ago
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