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Elza [17]
3 years ago
13

Can sum1 do number 3 for me plz i will mark brainliest

Mathematics
1 answer:
Solnce55 [7]3 years ago
5 0

Answer:

Addition-

(9x+27)

Subraction-

(x-63)

Multiplication-

(20x-810)

Division-

(1.25x-0.4)

Step-by-step explanation:

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15 liters decreased by 60%
puteri [66]
15 divided by 60= 3.50
8 0
4 years ago
A tank that measures 40 feet by 36 feet by 18 feet is filled with water to 5/6 of its height. 1/3 of the water is poured out of
rodikova [14]

so assuming the tank is just a big tall rectangular box-like tank.


well, the volume of a rectangular prism is simply the product of its length, height and width. So the volume for this one will be 40 * 36 * 18, or 25920 ft³.


if we fill that up to only 5/6, not the whole tank, how much is 5/6 of 25920? well, is really just their product, namely 21600 ft³.


and then we dump 1/3 of that 21600, how much is that anyway? well 1/3 of 21600 is really just their product, so 7200 ft³.


so we had 21600 ft³ of water, and dumped 7200 ft³, we're left only with 21600 - 7200, or 14400 ft³.

4 0
4 years ago
To solve Lance’s equation, 2(x + 10) = 60, first
solniwko [45]
Divide both sides by 2
subtract 10 from both sides
2(x + 10) = 60
x + 10 = 60/2
x + 10 = 30
x = 30 - 10
x =20

subtract 20 from both sides
divide both sides by 2
2x + 20 = 60
2x = 60 - 20
2x = 40
x = 40/2
x = 20

the same
are

4 0
4 years ago
List the properties that all rectangles share
saul85 [17]
They all have 4 sides, there are 2 shorter sides and 2 longer sides and the two short sides are parallel to each other, and the two long sides are parallel to each other.
6 0
3 years ago
Solve for x. −3/4(x+2)=6 Enter your answer in the box
photoshop1234 [79]

Answer:

x = - 10

Step-by-step explanation:

−3/4(x+2)=6                                Multiply both sides by -4/3

- 4/3 * - 3/4 ( x + 2) = 6 * - 4/3    Simplify

(x + 2) = - 8                                  "Remove" the brackets

x + 2 = - 8                                    Subtract 2 from both sides.

x + 2 - 2 = - 8 - 2                         Simplify

x = - 10

6 0
3 years ago
Read 2 more answers
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