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2 years ago

Is the point (3, 11) a solution for the linear equation 1/3x + y = 12? Explain.

Mathematics

1 answer:

Brut [27]2 years ago

7 0

Answer:

Yes, because when the values are substituted in, the equation becomes a true statement

Step-by-step explanation:

plug in the values for x and y and see if the equation makes sense

x=3

y=11

1/3(3)+11=12

1+11=12

12=12

Since the above equation is true, the point is a solution for the linear equation.

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Sergeu [11.5K]

Answer:

$9C=5(F-32)$

Step-by-step explanation:

The equation which can convert the temperature from degree Celsius into degree Fahrenheit is given as under

$9C=5(F-32)$

We can solve it further for F as

$9C=5F-5 \times 32$

$9C=5F-160$

$9C+160=5F$

Dividing both sides by 5 we get

$\frac{9C}{5}+32=F$

$F=\frac{9C}{5}+32$

Now substituting values of C in this equation will give us the corresponding values of F

Ex : C=1

$F=\frac{ 9\times 1}{5}+32$

$F=\frac{ 9+160}{5}$

$F=\frac{ 169}{5}$

Hence 1 degree Celsius is $\frac{ 169}{5}$ degree Fahrenheit

4 0

3 years ago

A marble tile measures 20 cm by 15 cm.how many tiles will be required to cover a wall of size 5m by 3m?

Rainbow [258]

First, we get the area of each tile: (100 cm = 1m)
.20 m* .15 m = 0.03m^2
Then, we solve for the total area of the wall:
5m*3m= 15m^2
Then we divide
15/0.03 = 500 tiles

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3 years ago

Rupesh is mowing grass to save money for a vacation. He charges $12 per yard. Rupesh already has $40 and wants to have at least

mario62 [17]

y > or equal to 9 hope this helps

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2 years ago

Read 2 more answers

The current population of a threatened animal species is 1.2 million, but it is declining with a half-life of 20 years. How many

Allisa [31]

$Rate:\frac{1,200,000}{20}$
$Unit\ Rate:\frac{60,000}{2} = 30,000$

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$55\ Years:1,650,000$

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2 years ago

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Illusion [34]

Answer:

Step-by-step explanation:

Answers only, no estimates:

1.) 15/32

2.) 2

3.) 32

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3 years ago