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Serggg [28]
2 years ago
14

Find x in this proportion. x/3 = x+2/5

Mathematics
2 answers:
postnew [5]2 years ago
5 0
The answer x = -3/5. hope that helps!
elixir [45]2 years ago
4 0
I believe it's -3/5 hope that helped
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Mr. Woo wants to ship a fishing rod that is 42 inches long to his son. He has a box with the dimensions shown.
brilliants [131]

Answer:

A. s^2=1,700

B. 42.4 inches. It will fit.

Step-by-step explanation:

A.

Let s =  the length of the diagonal across the bottom of the box.

w^2+l^2\\\\10^2+40^2 = s^2\\\\100+1,600 = s^2\\\\1,700 =s^2\\\\

Therefore, s^2=1,700

B.

Let r = the length from a bottom corner to the opposite top corner.

h^2+s^2\\\\10^2+1,700=r^2\\\\100+1,700=r^2\\\\1,800=r^2 \\\\42.4=r

Therefore, the length of the longest tube that will fit in the box is 42.4 inches.

Since the fishing rod is only 42 inches long, which is less than 42.4 inches, by only 0.2 inches, it means it will still fit.

5 0
2 years ago
Which measure will help Rita calculate how much the electricity bills vary, on average, from the mean billed amount? The monthly
notsponge [240]

Answer: c


Step-by-step explanation:

because to find the average is to add all your numbers up and to divide them by how many numbers you have

and the median is the finding the middle which is the average you line them up from lowest to greatest value and cross one off from the beginning and one from the end until you are left either one or two values


7 0
3 years ago
Read 2 more answers
7t-3t+4t-5t show working​
sukhopar [10]

Answer:

3t

Step-by-step explanation:

7t-3t+4t-5t

Combine like terms

7t -3t = 4t and substitute back into the expression

4t +4t -5t

4t+4t = 8t and substitute back into the expression

8t - 5t

3t

7 0
2 years ago
You accept a job as a marine biologist that pays a salary of $45,000 the first year. During the next 39 years, you receive a 5.5
melamori03 [73]
45000(1.055)^40=383980.89
7 0
2 years ago
A sail is in the form of a right triangle that is two times as high as it is wide. The sail is made from 4 square meters of mate
Ivahew [28]
<h3>Answer:</h3>

4 m

<h3>Explanation:</h3>

If we let h represent the height of the sail, then its width is h/2. The area of the sail is given by ...

... A = (1/2)wh

Filling in the given information, we have

... 4 m² = (1/2)(h/2)h

... 16 m² = h² . . . . . . multiply by 4

... 4 m = h . . . . . . . . take the square root

4 0
3 years ago
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