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3 years ago

Given m||n, find the value of x. (2x-5) (3x-22)

Mathematics

1 answer:

Rufina [12.5K]3 years ago

8 0

Step-by-step explanation:

$(2x - 5) = \\ x = 2.5 \\ \\ (3x - 22) = \\ x = 7.33$

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Rachel mows 5 lawns in 8 hours. At this rate how many lawns can she mow in 40 hour?

posledela

We can think of this as an equality

5 Lawns = 8 Hours

If she needs 40 hours, you can multiply 8 hours by 5 to get 40, but now it's not balanced. So, you need to multiply 5 to the other side too so:

5 x (5) = 8 x (5)

Therefore she mows 25 Lawns in 40 Hours

5 0

3 years ago

on a certain hot Summer's Day 613 people use the public swimming pool the daily prices are $1.75 for children $2.25 for adults t

Elodia [21]

389 children and 224 adults were at the pool that day.

Step-by-step explanation:

Cost of one child ticket = $1.75

Cost of one adult ticket = $2.25

Total people = 613

Total receipts worth = $1184.75

Let,

Number of children = x

Number of adults = y

According to given statement;

x+y=613 Eqn 1

1.75x+2.25y=1184.75 Eqn 2

Multiplying Eqn 1 by 1.75

$1.75(x+y=613)\\1.75x+1.75y=1072.75\ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2

$(1.75x+2.25y)-(1.75x+1.75y)=1184.75-1072.75\\1.75x+2.25y-1.75x-1.75y=112.00\\0.50y=112.00$

Dividing both sides by 0.50

$\frac{0.50y}{0.50}=\frac{112.00}{0.50}\\y=224$

Putting y=224 in Eqn 1

$x+224=613\\x=613-224\\x=389\\$

389 children and 224 adults were at the pool that day.

Keywords: linear equation, subtraction

Learn more about linear equations at:

#LearnwithBrainly

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3 years ago

A city has a population of 380,000 people. Suppose that each year the population grows by 3.5%, What will the population be afte

Marizza181 [45]

I think it’d be 536,028 at the end of 10 years of growth. I hope this helped.

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3 years ago

What is the value of y if y = |– 5|?<br><br> explain how you would get the answer step by step

Andrews [41]

Answer:

y=5

Step-by-step explanation:

The answer is 5 because that sign around the -5 is the absolute value sign. What the absolute value sign does is it measures the distance from 0 the number is. Since the number -5 is 5 units away from the number 0, then y=5.

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2 years ago

What number is triple six?

slamgirl [31]

Answer

The answer is 666

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3 years ago