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balu736 [363]
3 years ago
14

Please help me to solve this​

Mathematics
1 answer:
zzz [600]3 years ago
3 0

Answer:

Below in bold.

Step-by-step explanation:

First find the height by use Pythagoras theorem on the right triangle:

h = sqrt (5^2 - 4^2)

= sqrt 9

= 3.

Volume of the prism = area of the triangle * length

= 1/2 * 3 * 4 * 10

= 1/2 * 12 * 10

= 60 cm^3.

Total area = area of 2 triangles + area 0f 3 rectangles

= 2 * 1/2 * 3 * 4 + 3 * 10 +  4 * 10 + 5 * 10

= 12 + 30 + 40 + 50

= 132 cm^2.

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Graph the solution of the inequality -x+y > 2
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Answer:

Included in the picture attached

Step-by-step explanation:

Desmos graphing calculator

8 0
3 years ago
Robby has 9 coins that total $2.15. if he only has nickels and dimes, write the system of equations.
Illusion [34]

Let's assume

number of nickels =n

number of dimes =d

we are given

total number of coins =9

so, we get

n+d=9

we know that

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so, total amount is

=0.05\times n +0.10\times d

we are given

total amount =$2.15

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0.05n +0.10d=2.15

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3 0
3 years ago
20 POINTS!!!!! Can someone please explain linear equations and functions and anything I may need to know about them to take a qu
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Step-by-step explanation:

A linear function is an algebraic equation in which each term is either a constant or the product of a constant and (the first power of) a single variable. A function is a relation with the property that each input is related to exactly one output. A relation is a set of ordered pairs. Tips for a quiz is watch a yt video about it and also search it up to do some reading. You can ask me some questions but I'm not really good at these things.

3 0
4 years ago
Find the equation of the line containing the points (20,28) and (25,38).
inna [77]

The equation of the line containing the points (20,28) and (25,38) is

y = 2x ₋ 12.

Given the points are: (20,28) and (25,38)

First find the slope of the line passing through the given points.

we know that (x₁,y₁) and (x₂,y₂) is m = y₂ ₋ y₁/x₂ ₋ x₁

therefore the slope of line passing through the points  (20,28) and (25,38) is:

m = 38 ₋ 28/25 ₋ 20

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Consequently, the line's slope is 2.

Find the y-intercept now by using the slope and one of the two points.

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Next, represent the equation in slope-intercept form as follows:

y = mx ₊ b

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hence the equation of the line is y = 2x ₋ 12.

Learn more about Equation of lines here:

brainly.com/question/13763238

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8 0
2 years ago
The price that a company charged for a computer accessory is given by the equation 100-10x^2 where x is the number of accessorie
creativ13 [48]
The right answer for the question that is being asked and shown above is that: "3.45 million."<span> The company currently produces 2 million accessories and makes a profit of 100 million dollars. The other number of accessories produced yields approximately the same profit is </span><span>3.45 million</span>
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3 years ago
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