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telo118 [61]
3 years ago
14

Write an expression for the sequence of operations. Subtract 4 from x, double, and add 8.

Mathematics
1 answer:
Ivenika [448]3 years ago
3 0
4-x=3
Double the 3 witch is =6
And add 8 witch is
6+8=14
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9/10 = x/13. Solve for x. X = 11.7.
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The figure shows part of the concrete slab which is used to make drains and its cross-section. it is made up of a cuboid of dime
Arlecino [84]

(i) The area of the cross section ABCDEFG is 1771.6cm³

(ii) The volume of the concrete lab is 212592 cm³

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Given, dimensions are 120 cm by 60 cm by

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(i) area of cross section = 40 × 60 ₋ π(60 ₋10 ₋ 10)/2 . 1/2

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(ii) the volume of the concrete slab = 40 × 60 × 120 ₋ 1/2 π((60 ₋ 10   ₋10)/2)² . 120

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(iii) The total surface area is:

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= 30284 cm²

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Hence we get the mass as 40746.8 kg/m³.

Learn more about "Mensuration" here-

brainly.com/question/26398444

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4 0
2 years ago
If you knew that the vertical intercept for a straight line was 150 and that the slope of the line was 4, then the dependent var
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Answer:

Value of the independent variable = 25

Step-by-step explanation:

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In our question,

y-intercept 'b' = 150

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dependent variable y = 250

We will plug in these values in the equation of the line to get the value of the independent variable.

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250 - 150 = 4x

x = \frac{100}{4}

x = 25

Therefore, value of the independent variable is 25.

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This seems like a right triangle problem.

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