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Liula [17]
2 years ago
5

I need an explanation, I don't understand them

Mathematics
1 answer:
Anettt [7]2 years ago
5 0

The value of the fractions will be:

1. 8 13/20

2. 2 4/5

3. 5/6

<h3>How to explain the fraction?</h3>

1. 6 1/4 + 2 2/5

LCM of 20

6 1/4 + 2 2/5.

6 5/20 + 2 8/20

= 8 13/20

2. 1 1/5 × 2 1/3

= 6/5 × 7/3

= 42/15

= 14/5

= 2 4/5

3. 3 1/3 - 2 1/2

= 3 2/6 - 2 3/6.

= 5/6

Learn more about fractions on:

brainly.com/question/17220365

#SPJ1

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MrRissso [65]

Answer:

x=11/2

Step-by-step explanation:

7 0
3 years ago
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If a number is increased by five and the result is then divided by three the result is seven. What is the equation
Eddi Din [679]

Answer:

the answer would be 16+5÷3=7

4 0
3 years ago
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Write an equation in point-slope form of the line that passes through the point (5, 1) and has a slope of -3
bogdanovich [222]

Answer:

<h2>         y - 1 = -3(x - 5)</h2>

Step-by-step explanation:

An equation in point-slope form of the line that passes through the point (<em>x₁,y₁</em>) and has a slope of <em>m</em>:

y - y₁ = m(x - x₁)

m = -3

(5, 1)     ⇒       x₁ = 5,  y₁ = 1

Therefore:

y - 1 = -3(x - 5)

4 0
3 years ago
A rectangle has a height 3z and a width of 2x-3<br><br> Express the area of the entire rectangle.
viktelen [127]

Answer:

3z(2x - 3)

Step-by-step explanation:

Area of a rectangle, a = height * width

height, h = 3z

width, w = 2x - 3

a = 3z * (2x -3)

expand

a = 6xz - 9z

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5 0
3 years ago
If y=m^4=n^3 and y is greater than 1, then mn=
enot [183]
The useful property in multiplication is that 1 raised to any number will always be equal to 1. Thus, if y is equal to 1, m and n are also equal to 1. But if y is greater than 1, then m and n would also, consequently, be greater than 1 but less than y. This is because the base number of an exponent must be less in value than the answer. However, if m and n are multiplied, then the product would be greater than 1 but still less than y. 

Let's take an example to prove this point.

Suppose y=5, then
m = ⁴√5 = 1.49
n = ∛5 = 1.7

Then, m×n = 2.5 which is less than y but greater than 1

3 0
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