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MAXImum [283]
3 years ago
8

Find the lateral surface area of the figure. A 798 B 210 C 816.8 D 69.7

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
8 0

the lateral surface area of the figure is 660 sq ft

(but the answer is not matching with the options)

Step-by-step explanation: this figure is called cylinder. the lateral surface area means the area of curved surface.

here the diameter is 10 ft

so radius = diameter/2 = 10/2 ft = 5ft

again, height = 21ft

now the lateral surface area = perimeter of the circular surface X height

= 2X pie X r X h ( here r is the radius and h is height and we will take pie as 22/7)

= 2 X (22/7) X 10 X 21 sq ft

= 2 X 22 X 5 X 3 sq ft

=660 sq ft

( suggest you to recheck the options)

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What are the possible values of x if (4x - 5)^2= 49? Check all that apply.<br> →
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Answer:-1/2 and 3

Step-by-step explanation:

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7 0
3 years ago
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Solve for x.<br><br> 4 | x - 7 | + 2 | x - 7 | = 12
miv72 [106K]

Answer: x = 9, 5

<u>Step-by-step explanation:</u>

4 | x - 7 | + 2 | x - 7 | = 12

6 | x - 7 | = 12      <em>added like terms</em>

  | x - 7 | = 2       <em>divided both sides by 6</em>

x - 7 = 2         or         x - 7 = -2     <em>removed absolute value sign</em>

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7 0
3 years ago
Write an equation of the line that passes through (-5, -2) and is parallel to y=2/3x+1<br><br> y=?
Nutka1998 [239]

Answer:

<h2>          y = ²/₃x + ⁴/₃</h2>

Step-by-step explanation:

The point-slope form of the equation of line: y - y₁ = m(x - x₁), where m is the slope and (x₁, y₁) is the point the line passing through.

y=m₁x+b₁   ║   y=m₂x+b₂   ⇔    m₁ = m₂

{Two lines are parallel if  their slopes are equal}

y = 2/3x + 1   ⇒    m₁ = 2/3    ⇒    m₂ = 2/3

(-5, -2)    ⇒    x₁ = -5,  y₁ = -2

point-slope form:

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y + 2 = 2/3(x + 5)

y + 2 = 2/3x + 10/3               {subtact 2 from both sides}

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4 0
3 years ago
Read 2 more answers
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AveGali [126]

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7 0
3 years ago
Pls help tap picture to see the three problems
valentinak56 [21]
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2. Rate of Change is slope. Your points are (0,10) and (24,6) so slope is (6-10)/(24-0)
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3. Standard form is ax + by =c
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-x + 3y = - 9. Now get rid of the negative value on x by multiplying the entire equation by -1:
x - 3y = 9
8 0
3 years ago
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