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Contact [7]
3 years ago
10

What's the answer to r over 9 =-4

Mathematics
1 answer:
Elanso [62]3 years ago
5 0

Answer:

r = -36

Step-by-step explanation:

\frac{r}{9}=-4

Multiply both sides by 9

r = -36

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Find the equation of the line passing through the point (2,-4) that is parallel to the line y=3x+2
m_a_m_a [10]

Answer:

y=3x-10

Step-by-step explanation:

When you have to find a parallel line, you take the slope of the other line, so we already know y=3x+b. Then, plug in 2 and -4 as your x and y values and you get -4=3(2)+b. Then solve 3×2=6, so -4=6+b, subtract 6 from both sides, -10=b.

7 0
3 years ago
Sarah found that the product of 49 and 805 is 3,165. How would finding an estimate help her know that the answer is NOT reasonab
Dovator [93]

Answer:

49 +805=3,165

Step-by-step explanation:

answer

she will have to count

6 0
3 years ago
1. I bought a motorbike from a friend for $2,000. I sold it to another friend for $2,500. She decided she didn't want it, so I b
belka [17]
     We can make this an equation, lets start with how much money he has. Since he bought the motorbike he lost 2,000, then sold it and received 2,500. The 2,000 cancels out but he still has 500. Now that he bought it for 2,200 we subtract 2,200 from 500 and get -1,700. Then finally, he sold it for 2,000 so we add that to -1,700 and get 300. His total profit was $300.

-2,000 + 2,500 = 500
500 - 2,200      = -1,700
-1,700 + 2,000 = 300
4 0
3 years ago
Read 2 more answers
-5/7 is greater than -4/5
White raven [17]

Answer:

Yes.

Step-by-step explanation:

Forget about the negative sign for now.

Just compare 5/7 and 4/5 first.

Find the common denominator so it's easy to determine which one is bigger/larger.

5/7=25/35 and 4/5=28/35

From here, you can tell which one is bigger/larger, right?

Definitely, 25/35<28/35.

5/7<4/5, but don't forget the negative sign.

It's -5/7 compared to -4/5, so the answer is yes, -5/7>-4/5.

5 0
4 years ago
Read 2 more answers
A bakery packages 868 muffins into a 31 boxes. The same number of muffins are put into each box. How many muffins are in each bo
MatroZZZ [7]
You would need to put 868 muffins equally into 31 boxes. So 868 divide by 31= 28 muffins per box.
3 0
3 years ago
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