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Sloan [31]
3 years ago
5

Two rectangles are similar. The first rectangle has a length of 15 cm and a width of 10 cm. The width of the second rectangle is

25 cm. What is its length?
Mathematics
1 answer:
Margarita [4]3 years ago
7 0

Answer:

Its length is 37.5 cm.

Step-by-step explanation:

If two rectangles are similar, their sides are proportional, that is, they have equal ratios. So

The first rectangle has a length of 15 cm and a width of 10 cm. The width of the second rectangle is 25 cm.

So

\frac{15}{10} = \frac{l}{25}

10l = 25*15

Simplifying by 10.

l = 2.5*15 = 37.5

Its length is 37.5 cm.

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Margo spends 0.25 of her paycheck on a new dress, One-eighthof her paycheck on shoes, and $24 on a birthday present. If she spen
Naily [24]

Answer:

96

Step-by-step explanation:

.25x + .125x + 24 = 60

.25x + .125x = .375x

.375x + 24 = 60

60 - 24 = 36

.375x = 36

36/ .375

x = 96

7 0
4 years ago
Choose the equation of the line that is parallel to the y-axis.
IgorC [24]
X+y=0 :) I think hope it helps
6 0
3 years ago
In a horse​ race, how many different finishes among the first 3 places are possible if 7 horses are​ running? (Exclude​ ties)
kodGreya [7K]

Answer:

7 x 6 x 5 = 210

Step-by-step explanation:

its a combination's problem.

7 horses are eligible for first place.

6 of those are eligible for 2nd given that one of the 7 finished first.

similarly 5 of the remaining are eligible for 3rd place given 2 horses have taken the first 2 spots.

therefore 7 x 6 x 5 possible combinations = 210 combinations.

3 0
3 years ago
The line AB has midpoint (-2, 4).<br>A has coordinates (3,-2).<br>Find the coordinates of B.​
worty [1.4K]

Answer: B(8, -8 )

Step-by-step explanation: The formula for calculating mid - point between two points is given as :

M = ( \frac{x_{1}+x_{2}}{2} , \frac{y_{1}+y_{2}}{2} )

The mid point has been given from the question .

x_{1} = -2

x_{2} = ?

y_{1} = 4

y_{2} = ?

substituting into the formula , we have

(3 , - 2 ) = (\frac{-2+x_{2}}{2} , \frac{4+y_{2}}{2} )

Equating x -component to x and y component to y , we have

3 = \frac{-2+x_{2}}{2}

cross multiplying , we have

6 = -2 + x_{2}

Therefore:

x_{2} = 8

Also , equating y component to y , we have

-2 = \frac{4+y_{2}}{2}

-4 = 4 + y_{2}

y_{2} = -8

Therefore :

x_{2}  = 8

y_{2}  = -8

check

-2 + 8 / 2 = 3 and

-8 + 4 / 2 = -2

4 0
4 years ago
*WILL GIVEE BRAINLIEST FOR THE BEST ANSWER* Which of the following is NOT a biased sample?
Dafna1 [17]

Answer:

A

Step-by-step explanation:

All other options are more biased

In B, the official wants to use 50 people from a library to represent the <u>entire town's</u> opinion on the library itself.... that's biased.

In C, it's the same. Of course basketball players would like to watch basketball.... right?? That's why the choice is biased.

In D, the location is a deli.... and from experience people order meat at a deli... cuz why else go there?

8 0
3 years ago
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