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bija089 [108]
3 years ago
15

X/-9 + n/-7 = 9 solve for x

Mathematics
1 answer:
Andrews [41]3 years ago
6 0

9514 1404 393

Answer:

  x = -(9/7)n -81

Step-by-step explanation:

Subtract the n term.

  x/-9 = 9 -n/-7

Multiply by -9.

  x = -81 -(9/7)n

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14. Find the Error Hiroshi is determining -42 – (-37). Find his
vaieri [72.5K]

Answer:

Hiroshi's error was not having changed the sign of the number 37 by removing the parentheses and placing -37 instead of +37.

Step-by-step explanation:

we have

Hiroshi's work

42-(-37)=42-37=5

Remember that

a negative number is just a positive number multiplied by -1

and (-1)(-1)=+1

so

Correct work

42-(-37)

42-(-1)(37)

42-(1)(-1)(37)

42+(-1)(-1)(37)

=42+37=79

therefore

Hiroshi's error was not having changed the sign of the number 37 by removing the parentheses and placing -37 instead of +37.

3 0
3 years ago
What is the common factor of each term in the expression 2b+5b?
S_A_V [24]
The common factor is b since it is divisible by both 2b and 5b
5 0
3 years ago
Select the correct answer.
kherson [118]

Answer:

d.2/6 has a repeating decimal form

3 0
3 years ago
WILL GIVE BRAINLIEST find the value of r (-4,8), (r,12), m=4/3 (show your work pls)
OLEGan [10]

Answer:

r = 13

Step-by-step explanation:

The first step is to find b from y=mx=b using m=4/3 and (-4,8)

8=\frac{4}{3}(-4)+b

After solving the equation, b will equal -16/3 making the final equation be

y=\frac{4}{3} x-\frac{16}{3}

Using the equation, you can solve for r.

12=\frac{4}{3} x-\frac{16}{3}

This will bring the answer being r = 13

7 0
3 years ago
Please help! picture attached :)
Radda [10]

Answer:

y=-3x+4

Step-by-step explanation:

im assuming that you need the equation of the table

to find slope, y2-y1/x2-x1    10-4/-2-0

6/-2=-3   slope=-3  

y=mx+b   just sub in the numbers from a point in the table

10=-3(-2)+b

10=6+b

b=4

y=-3x+b

4 0
2 years ago
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