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iris [78.8K]
3 years ago
9

Find the equation of the line passing through the points (1, -2) and (-2, 7). Write the equation in slop-intercept from.

Mathematics
1 answer:
alex41 [277]3 years ago
5 0
Y=-3x+1 because in the points the equation will be y+2=-3(x-1) this converted into slope intercept form is y=-3(x-1)
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9 less than the sum of x and 5
saw5 [17]

Answer:

Given the statement:

9 less than the sum of x and 5

"Sum of x and 5" means x+5

"\text{less than}" means subtract

then;

the statement 9 less than the sum of x and 5 becomes;

⇒(x+5) - 9

⇒x+5-9 = x-4

Therefore, the expression for the given statement is (x+5) - 9



7 0
3 years ago
Julia and Cody are working together on solving math problems. For every one problem that Julia
slega [8]

Answer:

Cody has solved (12 × 12) = 144 problems.

Step-by-step explanation:

For every one problem that Julia completes, Cody completes twelve.

If Julia Completes x problems and Cody completes y problems, then we can write y = 12x ........ (1)

Now, given that the number of problems solved by Cody is one hundred twenty more than two times the number of problems solved by Julia.

Hence, 2x + 120 = y ......... (2)

Now, from equations (1) and (2) we get,  

2x + 120 = 12x

⇒ 10x = 120

⇒ x = 12

Therefore, Cody has solved (12 × 12) = 144 problems. (Answer)

4 0
3 years ago
Calculate the interest earned and the total balance.<br><br> $100, 6% simple interest, 1 year
Marina CMI [18]

Answer:

Interest earn is £21 and total balance is £121

Step-by-step explanation:

6%of 100 is 21

7 0
2 years ago
5. Show and prove why (xyz)to the power of 4=x to the power of 4 +y to the power of 4+z to the power of 4
Mkey [24]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
What’s the correct answer or this?
Harman [31]

Answer:

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6 0
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