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LiRa [457]
2 years ago
13

Mary’s trapezoid-shaped garden has a perimeter of 24 yd. She knows the length of three of the sides, 3 yd, 6 yd, and 9 yd.

Mathematics
2 answers:
Anna007 [38]2 years ago
6 0

Answer:

6

Step-by-step explanation:

to find the perimeter of a trapezoid you add all the sides together

therefore we do it backwards

24-3-6-9=6

yanalaym [24]2 years ago
3 0

<u>Solution</u><u> </u><u>:</u><u>-</u>

We know that perimeter is the sum of all sides, and here we have been provided with perimeter and the length of three sides. Now, we can assume the length of other side as any variable, say x. And develop a linear equation, and solve it. Thus,

A/Q,

→ 3yd + 6yd + 9yd + x = 24yd

→ 18yd + x = 24yd

→ x = 24yd - 18yd

→ x = 6yd

Thus, the length of the fourth side is 6yd.

Hope that helps :)

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A sports shop has 84 employees. 25% of the employees work part-time. How many part-time employees does the sports shop have?
Zolol [24]

Answer:

The sports shop has 21 part-time employees.

Step-by-step explanation:

Solution:

What is 25% of 84?

.Y is 25% of 84

Equation: Y = P% * X

Solving our equation for Y

Y = P% * X

Y = 25% * 84

Converting percent to decimal:

p = 25%/100 = 0.25

Y = 0.25 * 84

Y = 21

Or another quicker way....

50% is half of the whole, and 25 is half of 50.

84/2/2

equals 21 too, I don't recommend to use it as row form.

4 0
3 years ago
A 48 in, by 36 in. poster is reduced to an image that is 8 in. by 6 in. in size to be used for a flyer. What is the scale factor
oee [108]
Before we solve, let's define what a scale factor is. A scale factor is a certain number that can be multiplied or divided by to get a smaller or bigger image that's similar to the current image.

We have 48 by 36 as our original.
It has been reduced to an 8 by 6.

This means we must divide.

Before we get into any complicated ideas, if any, let's try a simple trick.
Divide 48 by 8 and 36 by 6. This should give us a scale factor if they give us the same quotients.

48 / 8 = 6
36 / 6 = 6

It turns out our scale factor is 1/6 (the same as dividing by 6).
The answer cannot be 1/8 because 36 / 8 doesn't give us 8 as a quotient.
The answer also cannot be 6 because we'd have to mutliply our current sides by 6 to get the new image, which it was the opposite.

By elimination and work shown, A.) 1/6 is the correct answer.

I hope this helps!
6 0
3 years ago
How many groups of 12 pound are in 234 pounds?
dolphi86 [110]

Answer:

19.5

Step-by-step explanation:

7 0
3 years ago
11. Make Sense and Persevere The sum of four
marusya05 [52]

Answer:

-3

Step-by-step explanation:

4n+ 6 = -18

4n=-24

n = -6

-6,-5,-4,-3

largest is -3

8 0
3 years ago
Read 2 more answers
The density of a certain material is such that it weighs 4 kilograms per cup of volume. Express this density in pounds per liter
kari74 [83]

Answer:

i think it's 8.9

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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