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Nata [24]
4 years ago
7

Today 15% of all 6th graders Of Bloomingvale Middle School go to the field trip to Museum of Science. How many students go to th

e museum, if total there are 120 sixth graders in the school?
Mathematics
2 answers:
shusha [124]4 years ago
8 0
The answer is 18 because:

15%=15/100

15% of 120=15% * 120=15/100 * 120=1800/100=18
Rufina [12.5K]4 years ago
7 0

\frac{x}{120}  = \frac{15\%}{100\%}  \\ x = i \: dont \: have \: calculator \: \: with \: me
15 divide by 100 times 120
you can do it
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The 5th of 9 consecutive whole numbers whose sum is 153 is?
sergejj [24]

We can start this problem by finding out what the lowest consecutive number's value is (x). Since consecutive numbers are numbers that are 1 apart from each other, the sum of 9 consecutive numbers would look like


x + (x+1) + (x+2) + (x+3) + (x+4) + (x+5) + (x+6) + (x+7) + (x+8)


Since we know that they equal 153,


x + (x+1) + (x+2) + (x+3) + (x+4) + (x+5) + (x+6) + (x+7) + (x+8) = 153


Now we combine like terms


9x + 36 = 153


Simplify


9x = 117


x = 13


Now, we need to find what the 5th consecutive number is equal to. The fifth consecutive number is (x+4), so 13 + 4 is 17, meaning that the 5th of 9 consecutive numbers that add up to 153 is 17.

4 0
3 years ago
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Which of the following is an expression for”doubling a number n and dividing by 3”?
kirza4 [7]

Answer:

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Step-by-step explanation:

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4 0
4 years ago
In the diagram, transversal t cuts parallel lines a and b. Which equation is necessarily true?
hoa [83]

Answer:

The correct answer is option B.  

m<3 = m<6

Step-by-step explanation:

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<u>To find the correct option</u>

From the given figure we get

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Alternate interior angles are equal.

m<3 = m<6

Therefore the correct answer is optionB

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Answer:

True

Step-by-step explanation:

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nalin [4]
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