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Tresset [83]
2 years ago
10

Mr. Sonny's science class is calculating the average number of blinks per minute. Jan blinks 126 times in 7 minutes. What is her

blinking rate, in blinks per minute?
Mathematics
2 answers:
vlabodo [156]2 years ago
3 0
18 blinks per min since 126 divided by 7 equals 18
const2013 [10]2 years ago
3 0
Answer:
b. Every 24 minutes
Step-by-step explanation:
A neon sign blinks every 6 minutes, and another sign blinks every 8 minutes.
The first step is to:
Find and list multiples of each time each neon sign blinks.
This means, we find the Multiples of 6 and 8
Multiples of 6:
6, 12, 18, 24, 30, 36
Multiples of 8:
8, 16, 24, 32, 40
The first and common multiple of 6 and 8.
Therefore, the Least common multiple [LCM(6, 8) ] = 24
Hence, they often blink at the same time every 24 minutes.
Therefore, option b.Every 24 minutes is correct.
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Using perfect factors find the square root of 1764
Zolol [24]

The square root of 1764 using perfect factors is 42

<h3>How to determine the square root using perfect factors?</h3>

The number is given as:

1764

Rewrite as

x^2 = 1764

Express 1764 as the product of its factors

x^2 = 2 * 2 * 3 * 3  * 7 * 7

Express as squares

x^2 = 2^2 * 3^2 * 7^2

Take the square root of both sides

x = 2 * 3 * 7

Evaluate the product

x = 42

Hence, the square root of 1764 using perfect factors is 42

Read more about perfect factors at

brainly.com/question/1538726

#SPJ1

3 0
1 year ago
How do u make 3/4 in a mix number as a whole number or decimal?
KengaRu [80]
In decimal form it's .75 and that's all you can make it
7 0
2 years ago
Anya saw the following equation and said she can tell this is also true far any value of x. 20(x+2)+31=4(5x+10)+31​
andre [41]

Answer:

x=0

This can be solved by reasoning.

And confirmed by substituting 0 into the expression.

6 0
2 years ago
The product of three integers is −5. Determine all of the possible values for the three factors.
tensa zangetsu [6.8K]
-1,1,5
-1,-1,-5
1,1,-5
6 0
3 years ago
Ter
BigorU [14]

Answer:

18 Pounds

Step-by-step explanation:

Variable: s=how much you sister weighs

One equation would be:

94 - s = 112

You then have to isolate the variable by subtracting 94 from each side to get:

s=18

I don't if I explained it that well.

5 0
2 years ago
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