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Bezzdna [24]
2 years ago
11

in a class, 1/5 of the students have blue eyes. If there are 20 students in the class how many have blue eyes?

Mathematics
2 answers:
bekas [8.4K]2 years ago
6 0
4 students have blue eyes.

Working Out:
20 / 5 = 4
Kazeer [188]2 years ago
5 0

Answer:

4 Students

Step-by-step explanation:

20 divided by 5 is 4

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What is (2n-3p)+4(2n-3)
Klio2033 [76]

Answer:

<h2>10n - 3p - 12</h2>

Step-by-step explanation:

(2n-3p)+4(2n-3)\qquad\text{use the distributive property}\\\\=2n-3p+(4)(2n)+(4)(-3)\\\\=2n-3p+8n-12\qquad\text{combine like terms}\\\\=(2n+8n)-3p-12\\\\=10n-3p-12

7 0
3 years ago
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What is the slope and the y-intercept of the graph of the linear function shown on the grid ?
VladimirAG [237]

Answer:

Slope: -1/4; Y-Intercept: 1.5

Step-by-step explanation:

Step 1: Find the slope. The best way to do this is to transform the two given points to y=mx+b form. When given two points, the best way to find the slope will be to do y2-y1/x2-x1. In this equation it would be -2-0/2+6, which is -2/8, simplified is -0.25 or -1/4. So we have the slope, which can determine the length of the line.

Step 2: Find the Y-Intercept. Finding the Y-intercept is so much simpler when given a graph, since all you have to do is find where the line goes through the y-axis, which in this case is (0,1.5), meaning that the y-intercept is 1.5 <em>(note: the y-intercept can also be found when x=0, for example (0,9).</em>

Hope this helped, good luck!

5 0
3 years ago
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Estimate the product. Choose a method 33 X 76
Serhud [2]
Use the tens.Try 30x80. 76 rounds up to 80 and 33 rounds down to 30.
3 0
3 years ago
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Work out, giving your answer in its simplest form:<br>5/<br>14<br>x<br>7/<br>30​
Elena L [17]
X in (-oo:+oo)

((5/14)*x^7)/30 = 0

1/84*x^7 = 0 // : 1/84

x^7 = 0

x = 0

x = 0
6 0
2 years ago
MATH!!! 15 points ;)) find the volume of the composite figure
andrezito [222]

Answer:

(2*2*1.5*1/3)+(2*1.5*4)= 14

Step-by-step explanation:

To find the area of a pyramid, you use the equation of 1/3 *lwh. When we place the values in there, we get 2*2*1.5*1/3, which is equal to 2. Then we solve the bottom part. Since it is a rectangular prism, we use the equation of lwh. When we insert the values, we get 2*1.5*4, which is equal to 12. Now, we take these two values of 2 and 12 and we combine them, giving us our final answer of 14.

8 0
1 year ago
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