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Andrews [41]
3 years ago
10

A teacher asks four students to determine the area of a circle with a circumference of 50.24 feet. The table shows the students’

responses.
Which student determines the area of the circle correctly? (Use 3.14 as an approximation of pi.)

Mathematics
1 answer:
ololo11 [35]3 years ago
7 0
Student 3 is correct !!'
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.Andrea needs a new air conditioning system for her house. An air conditioner needs to be big enough to cool a house, but it wil
stira [4]

Answer:29,400 ft^3

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
How many zeros are in the standard form of 10 7 write this number in standard form
vodka [1.7K]

<u><em>Answer:</em></u>

There are 7 zeroes in the standard form of 10⁷

The number is: 10,000,000

<u><em>Explanation:</em></u>

<u>A power</u> represents how many times this number is multiplied by itself

<u>For example:</u>

x² means we will multiply x by itself 2 times (x * x)

x⁵ means we will multiply x by itself 5 times (x * x * x * x * x)

<u>The standard form</u> of a number means the number written with no powers

Now, the given number is 10⁷

<u>This means that:</u>

The number is 10 multiplied by itself 7 times

10⁷ = 10 × 10 × 10 × 10 × 10 × 10 × 10 = 10000000 .........> standard form

We can observe that it has 7 zeroes

Hope this helps :)

8 0
3 years ago
Which ordered pair represents a point on a line y = 2x +1. a. 0,3 b. 1,2 c. 2,1 d. -1,-1.
Drupady [299]
D. -1,-1 because If you were to place that on a graph you would get d. for your answer and you can also do it on a TI-83 plus calculator
4 0
3 years ago
A bag contains counters that are red, black , or green . 1/3 of the counters are red 1/6 of the counters are black There are 15
Nadya [2.5K]

Answer:

There are 5 black counters in the bag.

Step-by-step explanation:

15 green counters in the bag

The proportion of green counters is given by:

p = 1 - (\frac{1}{3} + \frac{1}{6}) = 1 - (\frac{2}{6}+\frac{1}{6}) = 1 - \frac{3}{6} = 1 - \frac{1}{2} = \frac{2}{2} - \frac{1}{2} = \frac{1}{2}

So, we have that, the total is x. So

\frac{x}{2} = 15

x = 30

There are 30 total counters.

How many black counters are in the bag ?

A sixth of the counters are black. So

\frac{1}{6} \times 30 = \frac{30}{6} = 5

There are 5 black counters in the bag.

8 0
3 years ago
PLZZZZ answer correctly!! it's IMPORTANT!!
lara [203]

This is what I got and hopefully it helps.

1.A The dot is not filled and it points in the left direction

2.B The dot is filled and it points to the left

3.A The dot is not filled and it is pointed in the left direction

4.C The dot is filled and is pointing in the right direction.

Whenever you have a filled dot it will always be a greater than or equal to or less than or equal to. When the dot is not filled, the answer will always be greater than or less than.


4 0
3 years ago
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