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son4ous [18]
3 years ago
8

The two trapezoids below are similar. What is the length of EF?

Mathematics
1 answer:
Nastasia [14]3 years ago
3 0

Answer:

x/24 = 7.5/30

30x = 180

________

30

x= 6

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Ten kids can go to the water park for $95. How many can go if there is $200?
posledela

Answer:

only 2 kid's could go since the price of both is 95 for one and times it by two it's 190

5 0
3 years ago
Two fractions negative whose product is 5/8
Andreyy89
You could do -1/-2 times -5/-4 which would be 5/8
8 0
3 years ago
the length of a rectangular garden is 3 m greater than the width. The area of the garden is 70m squared. find the dimensions of
Lerok [7]
A = l x w

so you know that the length is 3m longer than the width, so you could use a formula to represent that

w = l + 3

you then substitute the second equation into the first to solve for l

70 = l x (l +3)
70 = l^2 + 3l

you could then rearrange the formula and solve for l using the quadratic formula 

0 = l^2 + 3l - 70

l = -3 +- (square root (3)^2 - 4(1)(70)) / 2(1)
l = -3 +- (square root 9 + 280) / 2
l = -3 +- (square root 289) / 2
l = -3 +- 17 / 2

then you solve for the two seperate roots

l = -3 + 17 /2
l = 14 / 2
l = 7

or 

l = -3 - 17 / 2
l = -20 / 2
l = -10

since a length cannot be negative, this root is not viable. therefore l = 7

to solve for w you would use

w = l + 3
w = 7 + 3
w = 10 

hope this helps! if you did not understand a step or concept please let me know!
4 0
3 years ago
Help.. Suppose Q is the midpoint of PR
8090 [49]

Answer:

3x+41 or 38

Step-by-step explanation:

If Q is the midpoint of Line PR, then lines PQ and QR add up to equal Line PR. We then get

PQ=6x+25\\QR=16-3x\\PQ+QR=PR\\6x+25+16-3x=PR\\3x+41=PR\\

If you want to know the exact number that PR is, we can do additional steps where PQ = QR.

PQ=6x+25\\QR=16-3x\\PQ=QR\\6x+25=16-3x\\9x+25=16\\9x=-9\\x=-1\\\\3x+41=PR\\3(-1)+41=PR\\-3+41=PR\\38=PR\\PR=38

6 0
3 years ago
Find the perimeter of the polygon
malfutka [58]
The answer is 24. 
8 + 8 + 4 + 4 = 24
7 0
3 years ago
Read 2 more answers
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