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JulijaS [17]
2 years ago
8

A middle school has an oval track with the dimensions shown. What is the distance around the track? use 3.14 for π. show your wo

rk.

Mathematics
2 answers:
Alex2 years ago
7 0
I think the asnwear is 10859.94
I’m sorry if I’m wrong :{
Snezhnost [94]2 years ago
3 0

Answer:

10859.94

Step-by-step explanation:

To solve this, you need to know the formula for solving the area of a circle: πr²

The first thing you should do is find the area of the square: 78 x 78 = 6084

Then, we find the area of the circle. To do this, we must figure out the radius. Luckily, the problem states that the combined diameter of both half circles is 78, which means the radius is 39. Then, we can apply the formula: π39².

39² = 1521

1521 x 3.14 = 4775.94

This is the combined area of both half circles.

Finally, we have to add: 4775.94 + 6084 = 10859.94

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Mr. Vedra deposited $1,200 in a certificate of deposit (CD) at an interest rate of 5.5%. He earned $198 in simple interest. How
UkoKoshka [18]

Answer: 3 (include unit in your answer, as it was not mentioned in question)

Step-by-step explanation:

5.5% of 1200 =

1200/100 x 5.5 = 66

Time = 198/66 = 3

put the units in, if its 5.5% per annum or months or days, since it wasnt mentioned in the question :)

4 0
3 years ago
In Hazzard County, 57 of the schools have a teacher-to-student ratio that meets or exceeds the requirements for accreditation. T
Tcecarenko [31]

Answer:

3:2

Step-by-step explanation:

8 0
2 years ago
What is the area of the composite figure
deff fn [24]

to find the area of the figure, you first need to find the area of the separate figures: a triangle and a square.

first, find the area of the triangle:

multiply 13 and 5 to get 65.

divide 65 by 2.

32.5.

then, find the area of the rectangle:

multiply 5 and 14 to get 70.

add those answers up, and you get:

102.5

3 0
3 years ago
A survey showed that 35% of the students prefer plain white milk over chocolate milk. If the school has 1200 students. How many
vodomira [7]

Answer:

The number of students who prefer chocolate milk is 780 .

Step-by-step explanation:

Given as :

The total number of students in the school = 1200

The percentage of students who prefer plain white milk = 35 %

Let the number of students who prefer chocolate milk = x

Now, ∵ The percentage of students who prefer plain white milk = 35 %

∴ The percentage of students who prefer chocolate milk = 100 % - 35 % = 65%

So , As The number of  students who prefer chocolate milk = x

Or, 65 % of total number of students in school = x

So, x = \frac{65}{100} × 1200

or, x = \frac{65\times 1200 }{100}

∴  x = 780

So, the number of students who prefer chocolate milk = x = 780

And  students who prefer plain white milk = 1200 - x = 1200 - 780 = 420

Hence, The number of students who prefer chocolate milk is 780 . Answer

4 0
3 years ago
URGENT!
N76 [4]

Money per Charity = $0

Money Left = $814

<u>Give each charity $100</u>

Money per Charity = $100

Money Left = 314

<u>Give each charity $60</u>

Money per Charity = $160

Money Left = $14

<u>Give each Charity $2 </u>

Money per Charity = $162

Money Left = $4

7 0
3 years ago
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