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Alekssandra [29.7K]
3 years ago
10

The perimeter of the rectangle is 34 cm. The perimeter of the triangle is 30 cm. Find the value of m.

Mathematics
2 answers:
Assoli18 [71]3 years ago
8 0

Answer:

correct answer is 5cm on edg

Step-by-step explanation:

brainly 2021

Aleks [24]3 years ago
7 0

Answer:

a. 5cm

Step-by-step explanation:

r. m+m+n+n= 34

t. m+n+n+1=30

r. 2m + 2n =34

t. m + 2n + 1 = 30

after multiple by negative t row

t. -m -2n -1 = -30

and combine the 2 rows

2m -m +2n - 2n -1 = 34 - 30

m - 1 = 4

and we add one to each side of the operation

m - 1 + 1 = 4 + 1

m = 5

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Find the volume of a cone with diamter 12 and height 8
NeX [460]

Answer:

Step-by-step explanation:

V = 1/3 * pi * r^2 * h

d = 12

r = d/2

r = 12/2

r = 6

V = 1/3 * 3.14 * 6^2 * 8

V = 301.44

3 0
3 years ago
The length of a rectangle is 3 meters more then the width the perimeter of ractangle is 26 meters
Fudgin [204]

Answer:

Step-by-step explanation:

Let's say the width is x. If the length is 3 meters more than the width, the the length is x+3.

A rectangle has 4 sides. 2 widths and 2 lengths. If the perimeter is 26 meters, you can plug in your expressions for the width and the length to solve for x.

2(x+3) +2(x)=26

2x+6+2x=26

4x+6=26

4x=20

x=5.

If x=5, that means that your with is 5 meters, and your length is 8 meters (5+3)

5 0
3 years ago
What is the expression for "the difference of 3 and 5 times a number"
soldi70 [24.7K]
(3 - 5)x

Hope this helps! :)
8 0
3 years ago
Read 2 more answers
Pls help. 6th grade math.
alexdok [17]

Answer:

Note: If this is really sixth grade math, then im a cucumber. It's way easier than MY math, and I'm in 6th grade lol :P

Another Note: Please vote me "Brainliest", I put a lot of work into this :)

1. 40

2. 60

3. 1.35

4. 6

5. Do this yourself, it requires actually explaining and you have to use your own words. :)

6. Do this yourself, it requires actually explaining and you have to use your own words. :)

7. Do this yourself, it requires actually explaining and you have to use your own words. :)

8. 600 people

9. 4200 people

10. 149 people

11. Sahil came up with his answer so quickly because if 45 is 10% of <em>x</em>, then obviously 30% of x would be 45 times 3 and that is 135. Due to this, he quickly new that the number of people between the ages of 30 and 49 that voted is 135 people.

That's it, please heart my answer and vote me brainliest :)

Step-by-step explanation:

Do you really need this part? I didn't do it because it would take forever LOL

7 0
3 years ago
Slope, m= -3/8. y-intercept, b= 1/4. Write an equation in slope-intercept form.
Ilia_Sergeevich [38]
Slope Intercept form: y=-3/8m+1/4.
7 0
3 years ago
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