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navik [9.2K]
3 years ago
6

3/8 is 4 & 3/5 % of what number? (Round to the nearest hundredth.)

Mathematics
1 answer:
Harman [31]3 years ago
4 0

Answer:

n = 8.15

Step-by-step explanation:

3/8 is 4 & 3/5 % of what number?

Rewrite this as:    3/8 is (4  3/5)% of what number?

Convert 4 3/5% into a decimal:  0.046

Then write out and solve the equation 3/8 = 0.046n, where n is the unknown number.

Dividing both sides by 0.046, we get n = 8.15

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Find the equation of the straight line passing through the point (3, 5)
Ne4ueva [31]

Answer:

y = -1/3x + 6

Step-by-step explanation:

the slope is -1/3 because you find the the reciprocal and switch the sign. To find the y intercept you plug in the points to the equation.

5 = -1/3(3) + b

5 = -1 + b

6 = b

5 0
3 years ago
Solve the system of equations x - y = 12 and x + 7y = -20 by combining the<br> equations.
iogann1982 [59]

Answer:

x=16, y=-4

Step-by-step explanation:

-1(x-y=12)

x+7y=-20

-x+y=-12

x+7y=-20

8y=-32

y=-4

x-4=12

x=16

7 0
3 years ago
Read 2 more answers
Who can help me with this
Flauer [41]
C - 0.15c is the same as 1c - 0.15c.
1 - 0.15 = 0.85.

Joe can also use 0.85c.
8 0
3 years ago
Someone please solve &amp; explain
den301095 [7]

Answer:

y+20 = 9(x+2)

Step-by-step explanation:

The slope that passes through the points is

m = (y2-y1)/(x2-x1)

    = (79- -20)/ (9--2)

    = (79+20)/(9+2)

     = 99/11

     = 9

We can use point slope form to write an equation.  It says to use the first point.

y-y1 = m(x-x1)

y--20 = 9(x--2)

y+20 = 9(x+2)


7 0
3 years ago
An apartment cost $875 per month to rent the owner raises the price by 20% and then gives a discount of 8% to renters who signed
USPshnik [31]

Answer: $84

Step-by-step explanation: 20% of 875=175; 175+875=1050; 8% of 1050=84, so your final answer would be $84.

7 0
3 years ago
Read 2 more answers
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