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horrorfan [7]
3 years ago
6

Last question on my assignment and I have no idea how to do it! I really need help.​

Mathematics
1 answer:
irinina [24]3 years ago
5 0

Answer:

310

Step-by-step explanation:

divide this figure into two rectangles, one with length of 3x-7 and width of x, the other one with length of 2x and 5x+2. plug x=5 into these, the first rectangle's area is 5*8=40, the second rectangle's area is 10*27=270. 40+270=310

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A triangle has two sides of lengths 7 and 9. What value could the length of
Temka [501]

Answer:

5, 13, 10, 8

Step-by-step explanation:

hello, so for this question keep in mind the triangle inequality theorem which states- a side must be smaller than the sum of the other two sides.

go through each of the choices.

a. 5+7=12 12>9

b.2+7=9 9>9 this cant be the answer since 9 is equal to nine, not greater than,

c. 13+7=20 20>9

d.10+7=17 17>9

e.8+7=15 15>9

f.22+7=29 29>9 although 29 is greater than 9, we also have to keep in mind that the other 2 sides must also be greater than the other side. so try 7+9= 16. 16 isnt greater than 22 so it can’t be one of the answers.

hope this helped :)

7 0
4 years ago
The oblique rectangular prism below has a length of 6 cm, a width of 8 cm, and a height of 7 cm. An oblique rectangular prism ha
Dvinal [7]

Answer:

48 cm²

Step-by-step explanation:

They are only asking for the area of the base of the prism, which is the length of the prism times the width of the prism.

B = area of base

l = length = 6 cm

w = width = 8 cm

B = l * w

B = 6 cm * 8 cm

B = 48 cm²

The area of the base of the prism is 48 cm²

6 0
3 years ago
Read 2 more answers
Help please help<br>thanks​
777dan777 [17]

Answer:

1. 1 x 10^11

2. 4.9 x 10^15

3. 1.4 x 10^4

4. 2.07 x 10^-5

5. 4 x 10^17

8 0
3 years ago
Tan 15°+ Cot 15° =4​
erik [133]
Where’s the rest of the question? Am I supposed to solve this completely?
5 0
3 years ago
Read 2 more answers
Whats the answer-3 and 2 = what ?
vekshin1

Answer:

-1

Step-by-step explanation:

and probably means addition, so

think of it this way, you have 2 apples, then you eat three. Now you have -1 apples

8 0
3 years ago
Read 2 more answers
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