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avanturin [10]
2 years ago
13

Check over my math please.

Mathematics
1 answer:
sineoko [7]2 years ago
7 0

Answer:

It looks like everything is correct :)

Step-by-step explanation:

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he diameter of an ice skating rink is 44 feet. In terms of π, what is the area of the rink to the nearest square yard? (9 ft2 =
crimeas [40]

Answer:

The area of the circular ring is 53.73 π  sq. yards

Step-by-step explanation:

The diameter of the skating ring = 44 ft

Diameter =  2 x Radius

⇒Radius of the ring  = 44 / 2  = 22 ft

Now, 1 ft = 0.333333 yards

⇒22 ft  = 22 x 0.333333 yards = 7.3333 yards

Now, Area of the circular Ring = \pi r^2\\

or, A = \pi (7.33)^2

=  53.73 π  sq. yards

or, the area of the circular ring is 53.73 π  sq. yards

6 0
2 years ago
Ignore #11 and #13; just need help with #12. TYSM (18 point question)
zimovet [89]

Answer:

22.5°

Step-by-step explanation:

it's a right angle which equals 90°

which is 4 times as much as x

so i just divided 90 by 4

however since you are using formulas it would be written

90 ÷ 4 = x

3 0
3 years ago
Cody said that dividing a unit fraction by a whole number is the same as multiplying the unit fractions by a unit fraction with
LekaFEV [45]

Answer:

True

Step-by-step explanation:

Hi, the statement is true, because to divide a fraction we have to turn the second fraction upside down and multiply them. Since a whole number x can be written as x/1, it also applies to the case of dividing a fraction by a whole number.

We can prove it with an example.

Dividing a unit fraction by a whole number  

1/2 ÷ 2 = (1x1) / (2x2) = 1/4

Multiplying the unit fractions by a unit fraction with a whole number as a denominator

1/2 x 1/2= (1x1) / (2x2) = 1/4

4 0
3 years ago
Read 2 more answers
What is 4 1/5+3 1/10<br><br> a. 7 2/15<br> b. 7 3/10<br> c. 7 1/5<br> d. 7 1/50
Black_prince [1.1K]
7 1/5th is the anwser but thats easy your just being lazy i think
7 0
3 years ago
Does anyone know this i need an answer asap btw its 8th grade work
vesna_86 [32]
Quadrilateral 2 will be parallel just like the first Quadrilateral. The shapes are the same and AD and BC are parallel on both shapes.
6 0
3 years ago
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