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Sergeu [11.5K]
4 years ago
10

90% of the students in a high school have a cell phone. if there are 750 students in the school, how many of the students have c

ell phones
Mathematics
1 answer:
kaheart [24]4 years ago
8 0

Answer:

675

Step-by-step explanation:

750 gets turned into 7.50, or 7.5. Then you multiply 7.5 by 90 to get your answer

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Use the values in the table to determine the slope
kkurt [141]
The table is not given
3 0
3 years ago
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Write an expression that can be used to find 4x275 using mental math and properties of numbers
Vikki [24]
4x200
4x70
4x5
then add it all together
8 0
3 years ago
use the fact that 10^3 = 2^10 to mentally find a vaule of n for which 2^n > 10^50 & 10^n > 2^300
Rudiy27
2^n>10^{50}=10^{3\cdot16+2}=10^2(10^3)^{16}=10^2(2^{10})^{16}=5^22^{162}
2^{n-162}>25

The least power of 2 that exceeds 25 is 2^5=32, so we have

2^{n-162}=2^N>25\implies N=5\implies n-162=5\implies n=167

- - -

10^n>2^{300}=(2^{10})^{30}=(10^3)^{30}=10^{90}

The least integer n that satisfies this inequality would clearly be n=91.
6 0
3 years ago
Find the value of x.<br><br> (x + 4)<br> 147°
larisa86 [58]

Answer:

<h2>x = 29°</h2>

Step-by-step explanation:

From the question the angles lie on a straight line which means that the sum of their angles add up to 180°

Since angles on a straight line add up to 180°

To find the value of x add up all the angles and equate it to 180 to find x

That's

x + 4 + 147 = 180

x + 151 = 180

x = 180 - 151

We have the final answer as

<h3>x = 29°</h3>

Hope this helps you

8 0
4 years ago
The point (0, 5) lies on circle A with the center at the origin. Does the point (0, −5 ) lie on the circle? A. Yes, because both
mars1129 [50]
<h3>Answer:</h3>

A. Yes, because both points are equidistant from the center of the circle.

<h3>Step-by-step explanation:</h3>

The point (0, 5) is 5 units from the point (0, 0).

The point (0, -5) is 5 units from the point (0, 0).

The given points are equidistant from the circle center at (0, 0), so both will lie on the circle—along with any other points that are 5 units from (0, 0).

3 0
4 years ago
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