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lorasvet [3.4K]
3 years ago
13

The perimeter of a square is 67 cm. What is the length of its

Mathematics
2 answers:
cestrela7 [59]3 years ago
6 0
The answer is C , hope it helped :)

Salsk061 [2.6K]3 years ago
3 0
Let each side be = x

Perimeter = 67 cm
4x = 67 cm
x = 16.75 cm
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A circle has a circumference of 28.26cm. what is the area of the circle? show work please
earnstyle [38]
-circumference is equal to pi×diameter, area is equal to pi×radius^2
-28.26÷3.14=9, 9÷2=4.5, 4.5×4.5=20.25, and 20.25×3.14=63.585
-rounded to the nearest hundredth, the answer is 63.59


8 0
3 years ago
Find the z-scores that bound the middle 74% of the area under the standard normal curve.
aniked [119]

Since 74% of the middle area is bounded, this means that there is 13% on the left side, and another 13% on the right side.

P (left) = 0.13

P (right ) = 1 - 0.13 = 0.87

 

At this P values, the z scores are approximately:

z score (left) = -2.22

<span>z score (right) = 1.13</span>

5 0
2 years ago
A muffin recipe calls for 2/5 tablespoons of vanilla extract for 6 muffins. Arthur is making 18 muffins. How much vanilla extrac
GuDViN [60]
2/5 tablespoons of vanilla extract ... 6 muffins
x tablespoons of vanilla extract = ? ... 18 muffins

If you would like to know how much vanilla extract does he need, you can calculate this using the following steps:

x * 6 = 18 * 2/5
x * 6 = 36/5    /6
x = 36/5 / 6
x = 6/5 = 1 1/5

Result: Arthur will need 1 1/5 tablespoons of vanilla extract for 18 muffins.
7 0
3 years ago
What is -3y+12=-48? Ueuehehhsh
Marina CMI [18]

Answer:

-12

Step-by-step explanation:-3y+12=48

48-12= 36

36/ (-3) = -12

7 0
3 years ago
Read 2 more answers
There are 2.54cm in an inch, 12 inches in a foot, and 5,280 feet in a mile.which expression gives the number of centimeters in a
geniusboy [140]

Answer:

(2.54×12) ×5280

Step-by-step explanation:

Since there are 2.54cm in an inch, multiply 2.54 by 12 to find out how many cm there are in a foot. Then you multiply that by 5280

8 0
3 years ago
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