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shepuryov [24]
3 years ago
10

What is the equation for the line? Enter your answer in the box

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
4 0

y=-1/2x-4

I could be wrong. Not my strong subject.

-Seth

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A collection of nickels and quarters are worth $2.85. There are 3 more nickels than quarters. How many nickels and quarters are
Alex777 [14]

Answer:

nickels = 12

quarters = 9

Step-by-step explanation:

Let number of quarters be "q", and

number of nickels be "n"

Nickels are worth $0.05 and Quarters are worth $0.25

Since all of them are worth 2.85, we can write:

0.25q + 0.05n = 2.85

Also, we know, there are 3 more nickels than quarters, so we can write:

n = 3 + q

Now, we can substitute equation 2 into equation 1 to get:

0.25q + 0.05n = 2.85\\0.25q + 0.05(3+q) = 2.85\\0.25q+0.15+0.05q=2.85

Now, we solve for q:

0.25q+0.15+0.05q=2.85\\0.3q=2.70\\q=9

There are 9 quarters.

We know n = 3 + q

So,

n = 3 + 9

n = 12

There are 12 nickels

7 0
3 years ago
Is this problem right?
Andrews [41]
Yes those are right. all the steps and answers are correct.
6 0
3 years ago
Solve for the value of b.<br> 59°<br> (8b+7)°
Blababa [14]

Answer:

b = 3

Step-by-step explanation:

the 2 indicated angles form a right angle and sum to 90° , that is

8b + 7 + 59 = 90

8b + 66 = 90 ( subtract 66 from both sides )

8b = 24 ( divide both sides by 8 )

b = 3

7 0
1 year ago
A number line graph is shown: A number line is shown from negative 8 to 8 at increments of 1. A circle is shown at negative 4. T
charle [14.2K]

Answer:

i think its A

Step-by-step explanation:

(^///^)(^///^)(^///^)

6 0
2 years ago
Read 2 more answers
Find the product. (y^3)^2 y^7
JulsSmile [24]
Power rule

y^3(2)
y^6y^7

product rule, add them

y^13

8 0
3 years ago
Read 2 more answers
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