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oksano4ka [1.4K]
3 years ago
7

Worth 20 points!!!!!

Mathematics
2 answers:
NikAS [45]3 years ago
4 0

Answer:

polygon B = 20 meters

Step-by-step explanation:

polygon A : polygon B

3 : 4

15 : x

first take 15 and divide by 3, this would tell us how much it went up by:

15 ÷ 3 = 5

next, take 4 and multiply it by 5:

4 x 5 = 20

this means that polygon B is 20 meters

Thepotemich [5.8K]3 years ago
3 0
Polygon B = 20 meters
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In a woodworking class, you need to make five triangles out of plywood. Each triangle has a height of 6 inches and a base of 14
skelet666 [1.2K]

Answer:

  • 210 in²

Step-by-step explanation:

<u>Use the formula for area:</u>

  • A = 1/2bh

<u>Each triangle will have the area of:</u>

  • A = 1/2*6*14 = 42 in²

<u>Total amount of plywood will be:</u>

  • 42*5 = 210 in²
4 0
3 years ago
A construction company is starting to build a new house. They need to put tape around the site to begin. The new home site is 20
jonny [76]

Answer:

20 meters

Step-by-step explanation:

A construction company is starting to build a new house. They need to put tape around the site to begin. The new home site is 20 meters wide by 40 meter long rectangle. The company already has 100 meters of tape. How much more tape does the company need to tape the site?

We would have to find the perimeter of this rectangle

Perimeter fo a rectangle = 2L + 2W

In the above question,

L = Length = 40 m

W = Width = 20 m

Hence:

Perimeter = 2(40m) + 2(20m)

= 80m + 40m

= 120m

Hence, he would need 120 meters of tape

From the above Question, the company already has 100m

Hence, the amount of tape that the company needs more =

120m - 100m = 20 m

5 0
3 years ago
13. Which expressions are equal?
mojhsa [17]

Answer:

B

Step-by-step explanation:

3 x X = 3x 3 x 2 = 6 so 4x + 3x = 7x +6

7 0
3 years ago
If 1/2 - 1/3=x then x=
ratelena [41]

Answer:

x=1/6

Step-by-step explanation:

1/2-1/3=x

x=1×3-1×3/6 [ take l.c.m]

x=3-2/6

x=1/6 .

8 0
3 years ago
Please help me:( this is hard
Phantasy [73]

Answer:

I attached the answers to number one and three.

Step-by-step explanation:

I totally forgot how to do this (I learned this two years ago), so I used the graphing calculator on "Desmos". It's very helpful :)

I will get to work on the second one, but it might take me a minute :)

8 0
3 years ago
Read 2 more answers
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