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1 year ago

Please help thanks and show work

Mathematics

1 answer:

My name is Ann [436]1 year ago

6 0

First find the area of the triangle at the end.

Area of a triangle is 1/2 x base x height.

The triangle is a right triangle with a base of 4 and height of 3

area = 1/2 x 4 x 3 = 6 square cm

Now to find the volume multiply the area of the triangle by the length of the prism.

volume = 6 square cm x 11 cm = 66 cubic cm.

answer: 66 cm^3

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Factor 2x^3+7x^2-3x-18 completely, given that x+2 is a factor

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<h2>Answer:</h2>

the other factors are: (x+3) and (2x−3)

Step-by-step explanation:

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2 years ago

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2 years ago

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Answer:

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Given function are not inverse of each other.

10.

f(x)=-x+3

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2 years ago

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What is the solution to the system of equations?

frez [133]

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3 years ago

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For concreatting a tower cement, sand, stones are in the ratio 1:2:4 For 144kg sand.. What amount of cement is required?

Verdich [7]

Answer:

72 kg

Step-by-step explanation:

For concreatting a tower cement, sand, stones are in the ratio 1:2:4 For 144kg sand.. What amount of cement is required?

We are given the ratio

cement: sand:stones

= 1:2:4

The sum of proportion =

1 + 2 + 4 = 7

We are given the kg of sand = 144kg

Step 1

We find the total kg of cement, sand and stones = x

Using the proportion of sand,

2/7 of x = 144kg

2/7 × x = 144kg

2x/7 = 144kg

Cross Multiply

2x = 7 × 144kg

x = 7 × 144kg/2

x = 504kg

Therefore the total kg of cement, sand and stone = 504kg

Step 2

The amount of cement required is calculated as:

1/7 × 504 kg = 72 kg

Therefore, 72kg of cement is required.

4 0

2 years ago