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2 years ago

Which statement is true about the sum of two rational numbers?

1 answer:

7 0

You never included the statement, please, message me back and so so. This is fairly hard to do, as there is no statement to pick...

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What is the percent decrease from 72 to 45

Marizza181 [45]

Answer:

37.5%

Step-by-step explanation:

72-45=27

27/72=x/100

2700/72=x

x=37.5

37.5%

5 0

2 years ago

Explanation on How to answer what is the density of an object that has a mass of 73,430 and the volume of 7 m3

scZoUnD [109]

Answer:

Density = 10,490 g/m³

Step-by-step explanation:

Density = mass ÷ volume

here mass = 73,430 g

volume = 7 m³

density = 73,430 ÷ 7

= 10490 g/m³

Density = 10,490 g/m³

7 0

2 years ago

What is 5+33x=2x+44?

ziro4ka [17]

Exact form: 39/31
decimal form: 1.25806...
mixed number form: 1 8/31

4 0

3 years ago

Two cyclists leave towns 253 kilometers apart at the same time and travel towards each other. One cyclist travels 5km/h faster t

Sladkaya [172]

Answer:

The rate of the slower cyclist is

$22\frac{4}{5}km/h$

and that of the faster cyclist is

$27 \frac{4}{5}km/h$

Step-by-step explanation:

We let x be the rate of the slower cyclist

$rate \times time = distance$

From the question, the distance between the two towns is 253 and the time taken for the two cyclist to meet is 5 hours

so we can write the equation

$5x + 5(x + 5) = 253$

We simplify to get the value for x

$\implies5x + 5x + 25 = 253$

$\implies10x = 253 - 25$

$\implies10x = 228$

$\implies x =22 \frac{4}{5}$

Hence the rate of the slower cyclist is

$22 \frac{4}{5} km/h$

and that of the rate faster cyclist is

$27 \frac{4}{5}km/h$

5 0

2 years ago

The variables y and x have a proportional relationship, and y = 5 when x = 4.

Tema [17]

Given is -

The variables y and x have a proportional relationship, and y = 5 when x = 4.

$\frac{y}{x}=\frac{5}{4}$

As we have to find the value of x when y= 8 so putting y = 8 in the above relationship, we get :

$\frac{8}{x}=\frac{5}{4}$

$5x=32$

$x=6.4$

Hence, the answer is 6.4

8 0

2 years ago