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Sladkaya [172]
4 years ago
7

How many cans of paint are needed to cover an area of 2200 square units if one can of paint covers in area 400 square units

Mathematics
1 answer:
sergij07 [2.7K]4 years ago
5 0

Answer:

6

Step-by-step explanation:

You have a total area of 2,200 sq units to cover... and each can of paint covers 400 sq units.  So, you'll need:

2200 sq units / 400 sq units/can = 5.5 cans

In such problems, we always round up, since you will need 5 full cans of paint, and half of a 6th can.

So, in total you will need 6 cans of paint to cover all 2,200 sq units.

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Select the correct answer from the drop-down menu.
ELEN [110]

Missing term = –2xy

Solution:

Let us first find the quotient of -8x^2y^3 \div xy.

-8x^2y^3 \div xy=\frac{-8x^2y^3 }{xy}

                    =\frac{-8\times x\times x\times y\times y\times y}{xy}

Taking common term xy outside in the numerator.

                    =\frac{xy(-8\times x\times y\times y)}{xy}

Both xy in the numerator and denominator are cancelled.

                    =-8xy^2

Thus, the quotient of -8x^2y^3 \div xy is -8xy^2.

Given the quotient of -8x^2y^3 \div xy is same as the product  of 4xy and ____.

-8xy^2=4xy × missing term

Divide both sides by 4xy, we get

⇒ missing term = \frac{-8xy^2}{4xy}

Cancel the common terms in both numerator and denominator.

⇒ missing term = –2xy

Hence the missing term of the product is –2xy.

4 0
3 years ago
Simplify: 4x + 6(3x - 2) A) 10x - 12 B) 18x - 12 C) 22x - 12 D) 30x2 - 20x
makvit [3.9K]

the answer is defenitly c

that is the answer

4 0
3 years ago
Read 2 more answers
The portions of a house that need to be heated can be modeled by one rectangular prism with a length of 45 feet, a width of 20 f
Rasek [7]
45x20x18=16,200
350x9=3150
total = 19,350
6 0
3 years ago
Is knowing two sides and another angle enough to say they are congruent?
olga55 [171]
If there is more information then you should use it but if that is then yes it is possible if you think hard enough.
7 0
3 years ago
Which graph corresponds to the table? Giving brainliest to accurate answer.
diamong [38]

Answer:

Last graph that slopes upwards from left to right and that has an y-intercept of -1

Step-by-step explanation:

let us pick some points!(you can chose any two)

when x =3 , y = 14 : helps us get points (3,14)

when x =1 , y = 4 : helps us get points (1,4)

so we find the gradient using the two points:

gradient \ =\frac{14-4}{3-1} =\frac{10}{2} \\

we now use gradient 10/2 and point (1,4) to find the equation  of the line:

\frac{10}{2} =\frac{y-4}{x-1} \\2(y-4)=10(x-1)\\2y-8=10x-10\\2y=10x-10+8\\2y=10x-2\\y=5x-1

from the equation of the line found we are able to find the y- intercept of the line is -1 and that the line has a positive gradient thus should slope upwards from left to right.

From the pictures you posted, we pick the last graph as it seem to slope upwards from left to right and has the line cutting y axis at around -1

5 0
2 years ago
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