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scZoUnD [109]
3 years ago
10

While reading the newspaper Cindy saw a circular graph that showed the number of A's in the senior English class as 20%, the num

ber of B's in class was 30%, the number of C's was 40% and the number of failures was 10%. In picking one student at random, what is the probability that the student earned a C in this class
A: 1/10

B:1/5

C:1/3

D:2/5
Mathematics
1 answer:
STatiana [176]3 years ago
6 0

Answer:

c= 1/3

Step-by-step explanation:


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Calculate the area of each circle
Triss [41]

Answer:

1.54 in²

Step-by-step explanation:

Given that,

→ Radius (r) = 0.7 in

Formula we use,

→ πr²

The area of the circle will be,

→ πr²

→ (22/7) × 0.7 × 0.7

→ (22/7) × 0.49

→ [ 1.54 in² ]

Hence, area of circle is 1.54 in².

8 0
2 years ago
Suppose the height of the pyramid is 20 yards. What is the pyramid's volume?
DedPeter [7]

Answer : The correct option is, (B) 1500 cubic yards.

Step-by-step explanation :

Formula used to calculate the volume of square pyramid is:

V=\frac{a^2\times h}{3}

where,

V = volume of pyramid

a = base edge of pyramid

h = height of pyramid

Given:

Base edge of pyramid = 15 yards

Height of pyramid = 20 yards

Now putting all the given values in the above formula, we get:

V=\frac{a^2\times h}{3}

V=\frac{(15\text{ yrads})^2\times (20\text{ yards})}{3}

V=1500\text{ yards}^3

Therefore, the volume of pyramid is 1500 cubic yards.

5 0
3 years ago
Find the value of x that will make AB<br> А<br> 9x - 40<br> В.<br> 3x + 20<br> x = [?]
Charra [1.4K]

Answer:

x = 10

Step-by-step explanation:

∵ Both angle ∠A and are corresponding angles.

∠A = ∠B

9x - 40 = 3x + 20

9x = 3x + 20 + 40

9x - 3x = 20 + 40

6x = 60

x = 60/6

x = 10

∴ x = [10]

7 0
3 years ago
Evaluate if m = 16 and p = 2.<br> 1<br> 2<br> m + 3p<br> A) 10 <br> B) 14 <br> C) 18 <br> D) 48
Ivenika [448]
Put the values of m and p to the expression:

\dfrac{1}{2}m+3p\\\\m=16;\ p=2\\\\\dfrac{1}{2}\cdot16+3\cdot2=8+6=14\to B)

4 0
3 years ago
Mrs. Haddox is mailing a package that weighs 18.5 pounds. The post office charges by the ounce to mail a package. How much does
Helen [10]

Answer:

296 ounces

Step-by-step explanation:

I used the formula "Multiply the mass value by 16"

Hope this helps:)

5 0
3 years ago
Read 2 more answers
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