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lys-0071 [83]
3 years ago
14

on a math test, 60% of the students used a pencil. half of the remaining students used a red pen, how many students are in the c

lass
Mathematics
1 answer:
Sonbull [250]3 years ago
4 0
You wouldn’t be able to tell.
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Eric must wear one of 5 pairs of pants and one of 4 shirts. how many different possible outfits consisting of 1 pair of pants an
Rashid [163]
One possible outfit is available because 1 pair of pants and 1 shirt is one outfit
3 0
3 years ago
Sadie simplified the expression √54a^7b^3, where a>=0, as shown: √54a^7b^3= √3^2•6•a^2•a^5•b^2•b=3ab √6a^5b
Tamiku [17]

Answer:

We are to find the error made by Sadie and then find the correct simplification.

The error Sadie made is that she wrote a^7 as a^2 * a^5 instead of a^6 * a.

The square root of a^6 is a^3 and so she could have further simplified.

The correct simplification is shown below:

\sqrt{54a^7b^3} = \sqrt{2 * 3 * 3 * 3 * a^6 * a * b^2 * b} \\  \\= \sqrt{3^2 * a^6 * b^2 * 6 * a * b} \\\\= 3a^3b\sqrt{6ab}

4 0
3 years ago
Find the surface area of the prism shown (Remember, rectangular prisms have a total of 6 sides)
gregori [183]

Answer:

The answer is 190mm2

Step-by-step explanation:

(3x5)x2  30

(3x10)x2  60

(5x10)x2  100

add them all up to get 190

6 0
2 years ago
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Why do you think rates are usually written as unit rates?
stellarik [79]
Coooooooooooooooooooooool
6 0
3 years ago
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I need these by today help
yulyashka [42]

Answer:

Step-by-step explanation:

1.

-4, -2, 0, 4, 10

2.

-2.9, -2.83, -2.09, 2.07, 2.56

3.

-3, -1/10, 1/10, 1/2, 7/8

4.

-3, -2, -0.8, -1/10, 1/2, 0.8, 7

this image might help :))

8 0
3 years ago
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