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maksim [4K]
3 years ago
11

Why is m step so hard??

Mathematics
1 answer:
frosja888 [35]3 years ago
7 0
Explain more , so i can help
You might be interested in
Suppose y varies as x. If y= -7 when x = -14, find x when y = 10.
Zina [86]

Answer:

x = 20

Step-by-step explanation:

-7 (2) = -14 so...

10 (2) = 20

4 0
3 years ago
The ages of three siblings total 32 years. The middle child is 4 years older than the youngest, and the eldest is twice as old a
marshall27 [118]

Answer:

x = 7

y = 11

z = 14

Step-by-step explanation:

x + y + z = 32

Let's say the youngest is x, middle is y and oldest is z.

y= x+4 (age of the youngest + 4)

z= 2x (twice as old)

We can replace y and z in the main equation above with these values that contain x.

x + (x + 4) + 2x = 32

4x = 28, divide both sides by 4

x = 7

y = x + 4 = 7 + 4 = 11

z = 2x = 2*7 = 14

And to check: 7 + 11 + 14 = 32


8 0
3 years ago
Read 2 more answers
Margo borrows $200, agreeing to pay it back with 8% annual interest after 7 months. How much interest will she pay?
nordsb [41]

Answer:

$9.33

Step-by-step explanation:

Interest = Principal × Rate × Time by 100

Therefore, I = 200×8×7/12 by 100

=16×7/12

=9.33

8 0
2 years ago
pls help !! A line passes through the point (0,-4) and has a slope of 3/2. What is the equation of the line ??
Lynna [10]
D)3x-2y=8
I added a picture explaining how I worked it out!

3 0
3 years ago
Read 2 more answers
Help please os of álgebra
kozerog [31]

Answer:

(11, 11)

Step-by-step explanation:

Solve by substitution:

1. set the equations equal to each other

3x-22=-x+22

2. simplify

4x-22=22\\4x=44\\x=11

3. substitute the value of x into an equation

y=3(11)-22\\y=33-22\\y=11

7 0
3 years ago
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