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Over [174]
3 years ago
6

If 150 students ware red and 250 students dont. what percentage of students wore red​

Mathematics
1 answer:
Anettt [7]3 years ago
4 0

# of students who wore red = 150

# of students who did not wear red = 250

Total #. of students = 150 + 250

                                   = 400

Percentage of students who wore red =

(# of students who wore red/Total #) * 100 = (150/400) * 100 = 37.5

∴ No of students who wore red = 37.5%

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2 years ago
Help solving this math problem
timurjin [86]

Answer: Alright,  so there are a total of 64 squares also the pattern is more like black and white color... Ok i can't read the rest of question 3 but i think it was for how much space she needed for the kitchen.  

Step-by-step explanation:

6 0
3 years ago
A book bought for $20 was sold at a loss of 15%. What is the selling price?​
My name is Ann [436]

Step-by-step explanation:

SP=?

L%=15%

CP=$20

WE KNOW,

L= L%/100×CP

L= 15/100×20

L= 15/5

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5 0
3 years ago
Read 2 more answers
Correct answers only please!
Ymorist [56]

Answer:

B.71%

Step-by-step explanation:

Weighted Mean is (All X * W)/sum of W

X for averages and w for weight

           X        W        (X*W)

HW     95      10          980

Quiz    80      20        1600

Test     67      50        3350

Final    60     20          1200

Total               100       7100

Weighted Mean = 7100/100 = 71%

7 0
3 years ago
Read 2 more answers
Your new cake recipe is for an 8-inch-by-8-inch square pan. You have a round pan you can use if it has the same area as the squa
Bezzdna [24]

Answer:

9.0 inches


Step-by-step explanation:

Area of square pan should be equal to area of circle pan


Area of square is 8 * 8 = 64

Area of Circle is \pi r^2

Using 3.14 as  \pi and given that area must be 64, we solve for 4:

A=\pi r^2\\64=(3.14)r^2\\r^2=\frac{64}{3.14}\\r^2=20.38\\r=\sqrt{20.38} \\r=4.51


We know diameter is twice of radius, so diameter is  d=2r=2(4.51)=9.02


Hence, diameter should be 9.0 inches (rounded to nearest tenth)

3 0
3 years ago
Read 2 more answers
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