How can you determine whether a number is a solution of an equation ?

Answers

Answer 1

Answer: solution or an equation? A solution should have the equal sign next to it. And an equation should have with an unknown solution till you solved it. For ex:

5,534,234 9+9
Solution equation

Also solutions won't have an equation. Like that.

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How many 9000 millileters are liters

Answers

9000 milliliters is 9 liters.

1 liter = 1000 milliliters.

What is y=-2 and 4x-3y=18 in subsitution

Answers

Substitute -2 in for y. Solve for x
4x-3(-2)=18
Add 60 to both sides
4x=24
Divide both sides by 4
x=6

What is the best estimated for the sum of 3/8 and 1/12

Answers

estimation involves rounding
3/8 is closest to 4/8 which is 1/2, or 6/12
6/12 + 1/12 = 7/12
that is the estimated answer

Twice a number m minus three equals the sum of m and five

Answers

The value of 'm' for the given equation as per linear equation will be 8.

What is a linear equation?

Linear equation is an equation where the variable has the highest degree of 1.

Given, twice a number m minus three equals the sum of m and five.

Therefore, the linear equation will be:

2m - 3 = m + 5

⇒ 2m - m = 5 + 3

⇒ m = 8.

The value of 'm' is 8.

Learn more about a linear equation here: brainly.com/question/8502333

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2m - 3 = m + 5

m = 8

2(8) - 3 = 13

(8) + 5 = 13

m = 8

A dolphin can swim up to 40 miles per hour. What is this speed in feet per hour

Answers

5280 feet per 1 mile

40 times 5280=211200
211200 feet per hour

according to my research its what do you mean it cant be nothing in feet

An international phone call costs $6.53 for 48 minutes. How many cents per minute

Answers

Answer:

14 cents

Step-by-step explanation:

6.53/48=

13.604166667

about 14 cents

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A farmer grew a watermelon that weighed 20 lb. From his experience with growing watermelons, he estimated that 95% of the watermelon’s weight is water. How much of the watermelon is water?