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netineya [11]
2 years ago
8

I need help with this question.

Mathematics
1 answer:
Strike441 [17]2 years ago
8 0

Answer:

72

Step-by-step explanation:

30/x = 25/100

cross multiply

3,000=25x

3,000/25=25x/25

3,000/25=120

60% of 120 = 60/100*120

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What is the positive root of the equation x2 + 5x = 150?<br> ao
fenix001 [56]

Answer:

10.

Step-by-step explanation:

x^2 + 5x = 150

x^2 + 5x - 150 = 0

This equation will factor:

(x - 10)(x + 15) = 0

x - 10 = 0 or x + 15 = 0, so:

x = 10 or -15.

6 0
3 years ago
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.
Studentka2010 [4]

Answer:

B

Step-by-step explanation:

the product is multiplication which is 2x3 and add 7

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3 years ago
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Question
Alik [6]

Here, we are required to find the equation, in terms of w, that could be used to find the dimensions of the storage unit in feet.

The polynomial is;. 3w³ + 22w + 24w = 5440ft³.

From the question;

  • <em>Let the width = w</em>
  • <em>length,</em><em> </em><em>l</em><em> = 3w + 4</em>
  • <em>height,</em><em> </em><em>h</em><em> = w + 6</em>

<em>The </em><em>volume </em><em>of </em><em>a </em><em>rectangular</em><em> </em><em>prism </em><em>is </em><em>given </em><em>by </em><em>the </em><em>product </em><em>of </em><em>its </em><em>length,</em><em> </em><em>width </em><em>and </em><em>height.</em><em> </em><em>Thus</em><em>;</em>

Volume = l × w × h

Therefore, Volume, V = (3w +4) × w × (w +6)

To obtain the required polynomial, we expand the expression for Volume above;

<em>V = (3w² + 4w) × (w + 6)</em>

<em>V = (3w² + 4w) × (w + 6)V = 3w³ + 22w² + 24w.</em>

However, the volume of the rectangular prism has been given to be 5440 cubic feet.

Therefore, the polynomial is;

3w³ + 22w + 24w = 5440ft³.

Read more:

brainly.com/question/9740998

8 0
2 years ago
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which of the following is a statistical question ?a.how old are you ? B.do you play softball ?C.how tall are you ? D.how old are
sleet_krkn [62]
Answer is D.How old are the players on your softball team.
8 0
3 years ago
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50 POINTS<br><br> What is the volume of this?
Temka [501]
The volume is 30.

You need to subtract the volume of the smaller box from that of the bigger box. It is written as such:
V = (3*3*4) -(2*1*3)
V = 36 -6
V = 30
4 0
3 years ago
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