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monitta
3 years ago
13

Simplify the expression 2x - 7 + 4x

Mathematics
2 answers:
almond37 [142]3 years ago
7 0

Answer:6x-7

The like terms in the expression are 2x and 4x, so therefore you add them together and you get 6x.

bija089 [108]3 years ago
3 0

Answer:

6x−7

Step-by-step explanation:

2x−7+4x

=2x+−7+4x

Combine Like Terms:

=2x+−7+4x

=(2x+4x)+(−7)

=6x+−7

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What are the solutions to the equation (x – 2)(x + 5) = 0?
nataly862011 [7]

A product of two (or more) factor can be zero if and only if at least one of the factors is zero.

In other words, you cannot multiply two non-zero real numbers, and have zero as a result.

So, if we want the product of these two factors to be zero, at least one of them has to be zero.

The first factor is zero if

x-2 = 0 \iff x=2

The second factor is zero if

x+5 = 0 \iff x=-5

4 0
3 years ago
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3 years ago
A cuboid with a breadth of 4 cm and length of 6 cm has a volume of 350 cm3. Find the height of the cuboid, giving you answer to
liraira [26]

Answer:

14.58 m3

Step-by-step explanation:

here, breadth (b) = 4cm

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we know, volume of cuboid=

length × breath× height

or, v = L× B × H

or, 350 = 6 × 4 × H

or, 350 = 24 × H

or, 350/25 = H

or 14.58 = H

therefore, H = 14.58cm3

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3 years ago
Which<br>expression is equivalent to 1/5m -20​
muminat

There are infinite equivalent expressions. Here are some:

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20(1/100m-1)

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If you expand any of these or any of the terms, you will get an equivalent expression.

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Answer:

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Step-by-step explanation:

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