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Vera_Pavlovna [14]
3 years ago
10

Can you answer these questions for me​

Mathematics
2 answers:
BabaBlast [244]3 years ago
8 0

Answer:

Step-by-step explanation:

1) Circumference of the circle = 39.25

πd = 39.25

3.14*d = 39.25

       d = 39.25/3.14

      d = 12.5 inches

2) Area of a circle = 200.96 sq. ft

        πr² = 200.96

           r² = 200.96/3.14

          r² = 64

          r = √64

         r = 8 ft

natali 33 [55]3 years ago
4 0

Answer:

hope it helps........... I edited the answer now you can read it

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Question 9 20% of a particular brand of light bulbs fail in one year. What is the probability that three bulbs out of a random c
Delvig [45]

Answer:

The correct answer is 0.15

Step-by-step explanation:

According to the given scenario, the probability is as follows:

X\sim Bin (n,p)

Here

n = 8

p = 0.20 or 20%

Now this is a binomial probability distribution

P(X) = ^nC_x \times p^x \tmes (1 - p)^{n-x}\\\\P(3) = ^8C_3 \tims 0.20^3 \times (1 - 0.20)^5

= 0.15

Hence, the correct answer is 0.15

5 0
3 years ago
Please help I don’t know this question .
serg [7]

x = 6

AB = 11

BC = 22

Hope that helps :)

6 0
3 years ago
Calvin has 13 coins , all of which are quarters and nickels. The coins are worth $2.45. How many of each coin does Calvin have ?
zalisa [80]

Answer:

Step-by-step explanation:

6 0
3 years ago
A. Write 64√2 in the form 2^n
xxMikexx [17]

We get the expression 64√2 in the form 2ⁿ as 2⁶°⁵.

An expression is a way in which numbers are written.

It can be variables, constants or a combination of both.

We are given an expression:

64 √2

We know that:

64 = 2 × 2 × 2 × 2 × 2 × 2

64 = 2⁶

Also, we can write √2 as

√2 = 2⁰°⁵

We get that:

2⁶ × 2⁰°⁵

simplifying the expression, we get that:

= 2⁶⁺⁰°⁵

= 2⁶°⁵

Therefore, we get the expression 64√2 in the form 2ⁿ as 2⁶°⁵.

Learn more about expression here:

brainly.com/question/723406

#SPJ9

7 0
1 year ago
Millie has a box of 1 hundred cubes. She also has a bag of 70 cubes. How many trains of 10 cubes can she make?
ANTONII [103]
She has a total of 170 cubes

170/10=17 trains
7 0
3 years ago
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