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3 years ago

If 7 gallons of paint are used to paint 4 classrooms at Cascade Middle

Mathematics

1 answer:

denis-greek [22]3 years ago

7 0

Answer: 28 gallons of paint needed to paint 16 classrooms.

Step-by-step explanation:

As 7 gallons Paint 4 classrooms so if we need to paint 16 classrooms which four times 4 classrooms so 7*4=28 gallons will be needed to paint 16 classrooms

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HELP ASAP PLZ &THANK YOU :)

Andre45 [30]

The standard form:

$Ax+By=C$

The slope-intercept form:

$y=mx+b$

m - slope

$m=\dfrac{y_2-y_1}{x_2-x_1}$

b - y-intercept (0, b).

We have the point (0, 43) → b= 43.

Next point (2, 55). Substitute to the slope formula:

$m=\dfrac{55-43}{2-0}=\dfrac{12}{2}=6$

Therefore we have:

$y=6x+43$ <em>subtract 6x from both sides</em>

$\boxed{-6x+y=43}$

8 0

3 years ago

What number will the function return if the input is 15.4?

wlad13 [49]

The rule of the function is to multiply the input by 3, since one yard is equal in length to three feet.

So, if the input is 15.4, the output will be

$f(x)=3x \implies f(15.4)=3\cdot 15.4 = 46.2$

4 0

3 years ago

Find the area of the rectangle is x² + 7x + 12. if its breadth is (x + 3), then find its length.

miv72 [106K]

Answer:

the length. is : x+4

Step-by-step explanation:

x² + 7x + 12 = (x+3)(x+4)

the length. is : x+4

6 0

3 years ago

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Write down an irrational number between 1 and 2.

gavmur [86]

Answer:1.323323332333...

1.96996999...

Step-by-step explanation:irrational numbers cannot be repeated like it can't be 1.22222... this would then be a rational number

If u check the answer given non of the numbers repeat in a *pattern*

8 0

3 years ago

The distance between (4,10) and (6,20)

rjkz [21]

Answer:

(2,10)

Step-by-step explanation:

4 to 6 is 2 and 10 to 20 is 10 therfore you get 2 and 10

6 0

3 years ago

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