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Svetradugi [14.3K]
3 years ago
13

3(m+15)=5(m-10)+35 HELP

Mathematics
1 answer:
jarptica [38.1K]3 years ago
8 0
<h2>Answer:</h2><h2>m = 30</h2><h2></h2><h2>Hope this helps!!!</h2>

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lidiya [134]

Slope = -4/5

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hope this helped a little

6 0
3 years ago
The width x of your iris decreases from 4 millimeters to 2 millimeters when you enter a dark room. How many times greater is the
inysia [295]

Answer:

The area of the Iris is 4 times greater.

Step-by-step explanation:

Firstly, we have to realize that we cannot solve this problem without knowing the radius of the iris. because from the information given, the radius of the iris could well be the size of the galaxy and contract from width of 4mm to 2mm and we wouldn't know!

The average radius of the iris is 6mm, so we take this value.

Now, initially the width of the iris is 4mm, that means the radius of the pupil is:

6mm-4mm=2mm

Therefore it's area A is:

A=\pi r^2=\pi (2)^2=4\pi

When the iris contracts to 2mm, the radius of the pupil becomes:

6mm-2mm=4mm

Then it's area is A:

A=\pi r^2=\pi (4)^2=16\pi

To find how many times greater this final area is than the initial area, we just divide it by the initial area:

\frac{16\pi }{4\pi } =4

This is 4 times greater than the initial area.

3 0
3 years ago
In the following diagram CDFG ~ HJLK. use this information to find the value x.
Nataly [62]

Answer:

x=2.25

Step-by-step explanation:

4x=3 x 3

8 0
4 years ago
Read 2 more answers
A rectangle has a perimeter 204 it’s length six feet longer than twice it’s width if L stands for the rectangle and W stands for
andriy [413]

Answer:

W=32

L=70

Step-by-step explanation:

L=2w+6

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204=2w+2(2w+6)

204=2w+4w+12

192=6w

w=32

L=2(32)+6

L=70

6 0
3 years ago
HELP PLEASE I NEED HELP OH DEAR LORD
SashulF [63]
#5,

it says that the angle on top is 221, so you subtract that from 360,

360-221= the rest..... 139
 Now in that 139, you can see that there is a triangle with a right angle. so you can subtract 90 degrees from 139

139-90= 49
49 is the number you use to solve the rest.
3x + 4x = 7x
so 7x = 49
and then you divide 7 from both sides to isolate x, and you get your answer
7 0
3 years ago
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