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Sever21 [200]
3 years ago
5

The sum of two numbers, one of which is two-third of the other, is 45. find the smaller number​

Mathematics
1 answer:
Travka [436]3 years ago
6 0

Step-by-step explanation:

The smaller number is 18.

Step-by-step explanation:

Let larger number = x and  smaller number = \dfrac{2}{3} x32x

To find, the smaller number = ?

According to question,

x+\dfrac{2}{3} x=45x+32x=45

⇒ \dfrac{3x+2x}{3} =4533x+2x=45

⇒ 5x=45\times 35x=45×3

⇒ 5x=1355x=135

⇒ x =\dfrac{135}{5} =27x=5135=27

∴ Smaller number =\dfrac{2}{3} \times 27=2\times 9 =18=32×27=2×9=18

Hence, the smaller number is 18.

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What is the ratio that is equivalent to 7/9
Oliga [24]

Answer:

\frac{14}{18} is one equivalent ratio

Step-by-step explanation:

Given the ratio

\frac{7}{9} ← in simplest form

Then to obtain equivalent ratios

Multiply the numerator/ denominator by the same value, that is

\frac{7(2)}{9(2)} = \frac{14}{18}

3 0
3 years ago
Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!ASAP
diamong [38]

The ordered pair of the given equation will be ( 3, 6 ) and ( -3, 18).

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

A function is defined as the expression that set up the relationship between the dependent variable and independent variable.

The given functions are:-

F(x) =x²-2x+3

F(x) = -2x + 12

When we plot the graph of the function we will see that the line -2x +12 cut the parabola at points ( -3, 18 ) and ( 3, 6 ) so these are the ordered pairs of the two functions. The graph of the functions is also attached with the answer.

To know more about function follow

brainly.com/question/25638609

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6 0
2 years ago
What is real world problem that can be solved by using the equation 5x = 45
Harrizon [31]
You have 5 apples, together they cost 45 dollars, how much does each apple cost.

5x/5
45/5

x=9
8 0
3 years ago
the mass of a mineral is 9.6g the mineral is placed in a graduated cylinder containing 8.o mL of water. the water level rises to
Ray Of Light [21]

The volume of the mineral = increase in volume of the water whuich is 16 - 8 = 8mls.

Therefore the  mineral's density = 9.6 / 8

= 1.2 g/ ml   answer

6 0
3 years ago
Read 2 more answers
Ind 59:
Mila [183]

Answer:

It takes them 1.875 hours.

Step-by-step explanation:

Here, the job is cleaning the house.

Mom does 1 job in 3 hours.

In 1 hour, mom does 1/3 of the job.

Dad does 1 job in 5 hours.

In 1 hour, dad does 1/5 of the job.

Mom and dad working together do the job in x hours.

In 1 hour, mom and dad together do 1/x of the job.

1/3 + 1/5 = 1/x

5/15 + 3/15 = 1/x

8/15 = 1/x

8x = 15

x = 15/8 = 1.875

Answer: It takes them 1.875 hours.

3 0
3 years ago
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