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jekas [21]
3 years ago
11

Out of the 60 students on a school trip, 70 percent brought there lunch, and the rest brought money to buy lunch. How many stude

nts were buying lunch
Mathematics
2 answers:
Fittoniya [83]3 years ago
7 0

Answer:

18 were buying lunch:)

serious [3.7K]3 years ago
3 0

Answer: 42/This should be the right answer since 42 should be 70 percent of 60.

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Find the Slope for <br> (3,-4) and (5,4)
REY [17]
The picture below shows the formula for calculating slope

In this example:
y2 = 4
y1 = -4
x2 = 5
x1 = 3
(These are the numbers you substitute into the formula)

Calculations:
4 - (-4) = 8
5 - 3 = 2
8/2 = 4

As you can see, after the values are substituted into the equation & simplified, the slope is equal to 4

8 0
2 years ago
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1-4<br> Will give brainliest!!!!<br><br> Pls show work!!
Troyanec [42]
Here you go kind brain

5 0
4 years ago
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(4x2 - 6x + 1) divided by (x-2)
Dennis_Churaev [7]

Answer:

x-2

Step-by-step explanation:

3 0
3 years ago
Two gears are connected and are rotating simultaneously. The smaller gear has a radius of 4 inches, and the larger gear has a ra
pychu [463]
Draw a diagram to illustrate the problem as shown below.

When the smaller gear rotates through a revolution, it sweeps an arc length of
2π(4) = 8π inches.

Part 1
The same arc length is swept by the larger gear. The central angle of the larger gear, x, is
7x = 8π
x = (8π)/7 radians = (8π)/7 * (180/π) = 205.7°

Answer: 205.7° (nearest tenth)

Part 2
When the larger gear makes one rotation, it sweeps an arc length of 
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If the central angle for the smaller gear is y radians, then
4y = 14π
y = 3.5π radians = (3.5π)/2π revolutions = 1.75 revolutions

Answer:
The smaller gear makes 1.75 rotations

7 0
4 years ago
X = 4 and y = 3.<br> 3x 2 + 5y<br> A. 27<br> B. 31<br> C. 63<br> D. 159
ryzh [129]

Answer:

39

Step-by-step explanation:

I did the math

8 0
3 years ago
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