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aniked [119]
3 years ago
14

Solve each equation for the given variable?

Mathematics
2 answers:
Vesna [10]3 years ago
5 0

Answer:

1. x = 20     2. n = 50

Step-by-step explanation:

1/4x - 2 = 3

1/4x = 5

x = 20

2. 8 = 1/5n - 2

10 = 1/5n

n = 50

Elena-2011 [213]3 years ago
3 0

Answer:

Question 1

Original equation:

1/4x-2=3

Add 2 to both sides:

1/4x=5

Multiply both sides by 4/1:

x=20

Question 2

Original equation:

8=1/5n x 2

Divide both sides by 2

4 = 1/5n

Multiply both sides by 5/1

n=20

Let me know if this helps!

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What past paper is this, can you please put a link to the question paper that this question came from :
neonofarm [45]

Using proportions, considering the ratios, it is found that Danil receives 65.33 euros.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount.

Danil, gabriel and hadley share some money in the ratios 3:5:9. Hence, the fraction of the total amount that Danil and Hadley receive are given by:

D = \frac{3}{17}n

H = \frac{9}{17}n

The amount of money that hadley receives is 196 euros, hence the total amount is found as follows.

196 = \frac{9}{17}n

n = \frac{196 \times 17}{9}

n = 370.22.

Hence, the amount received by Danil is given by:

D = \frac{3}{17}n = \frac{3}{17} \times 370.22 = 65.33

More can be learned about proportions at brainly.com/question/24372153

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2 years ago
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stellarik [79]
What am I helping you with
4 0
2 years ago
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GrogVix [38]
You need to split the shape into simpler shapes so you would get a rectangular prism and a triangular prism finding the volume is pretty straightforward the formula is

Volume of a triangular prism = area of base triangle × height

The formula for finding the volume of a rectangular prism is the following: Volume = Length * Height * Width, or V = L * H * W.
After solving for this you would just have to add the 2 shapes volume together tie get the volume of the composite figure
Finding the surface area is also pretty simple since it would only require you to know the formulas

S = 2(lw + lh + wh) to find the surface area of a rectangle or prism

A=12bh is used to find the area of the top and bases triangular faces, where A = area, b = base, and h = height.
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3 years ago
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Len [333]

Answer:

rational

Step-by-step explanation:

is not an Irrational number because it can be expressed as the quotient of two integers: 91÷ 1

Hope this Helps :)

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3 years ago
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What is the answer to (-38)+(-40)
Hatshy [7]
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3 years ago
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