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Scorpion4ik [409]
3 years ago
7

1. What would be the depth of water of 3/4 filled rectangular pool, if pool is 10 m long, 7 m wide and 8 m deep?

Mathematics
1 answer:
Vladimir79 [104]3 years ago
7 0

Step-by-step explanation:

Area if the rectangular pool= 10m×7m×8m

= 560m³

3/4 of 560m³

3/4×560

= 420

Hence , the water occupies 420m³ place

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2(4x − 3) − 8 = 4 + 2x<br> steps
asambeis [7]

Answer:

X=3

Step-by-step explanation:

2(4x-3)-t=4+2x

multiply parentheses by 2

8x-6-8=4+2x

Calculate

8x-14=4+2x

Move terms

8x-2x=4+14

Calculate the sum after collecting like terms

6x=18

Divide both sides by 6

x=3

6 0
3 years ago
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Can someone please explain to me how to solve this equation?
Nikolay [14]

Answer:

first of all erase what u have written

Step-by-step explanation:

<h2>Q: 25-(3x+5)=2(x+8)+x</h2>
  • 25-3x-5=2x+16+x
  • 20-6x=16
  • 6x=4
  • x=2/3
6 0
3 years ago
What is the equation, in slope-intercept form, of the line that is perpendicular to the given line and passes through the point
kiruha [24]
This is going to be an long answer, so I'm putting the answer first. y=3x-7

First, you have to find the equation of the line given. You can use point slope form for that. You can see that the slope is -1/3, and it goes through (2,2). So, the equation would be
y-2=-1/3(x-2)
Which simplifies to
y=-1/3x+8/3

Now, we can get on to finding the actual answer. The slope of a line perpendicular would be the negative reciprocal of the original slope. That just means you flip it and multiply it by -1. So, the slope of the new line is 3. Now you can use point slope form again and make an equation, which is
y+1=3(x-2)
Which simplifies to
y=3x-7

Please don't ask me why the slope is the negative reciprocal, or how they came up with the formula for the point slope form. I DON'T KNOW. If you want to know so bad you would give up chick-fil-A for the rest of your life, there's always google.
5 0
3 years ago
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good evening! Can someone please answer this, ill give you brainliest and your earning 50 points. Would be very appreciated.
Sphinxa [80]

Answer:

<h3><u>Part (a)</u></h3>

From inspection of the diagram, the pattern is:

Step 1:      1² + 1

Step 2:    2² + 2

Step 3:    3² + 3

Let x = step number

Let y = total number of squares

Therefore, the equation that represents the relationship is:  

y = x² + x

<h3><u>Part (b)</u></h3>

<u />

x² relates to the large square made up of small squares (top part of the image of each step)

x relates to the rectangle of small squares (bottom part of the image of each step)

y is the total number of small squares in the image of each step.

4 0
2 years ago
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WILL MARK YOU BRAINLIEST
Alinara [238K]

Answer: 3. 5 7/20,

Explanation: I took -3 2/5 and turned it into -17/5 and did the same with 8 3/4 which is 35/4. I gave them both the same denominator so I could add them together and it became -68/20 + 140/20 which equals 107/20

4 0
3 years ago
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