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2 years ago

Which term shows a product of a number and a variable? 5 + 6x - 7 + 4 A. 5 B. 6x C. -7 D. 4

2 answers:

7 0

A variable is just a letter or symbol that symbolizes a number

Therefore, B. 6x is a number multiplied by a letter (product).

Monica [59]2 years ago

4 0

B. 6x

A variable is usually a letter than can be any number plugged in (unless given).

All the other (5, -7, 4) are constants, and cannot change

hope this helps

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1. Find the Least Common Multiple of these two monomials:<br> See picture

gtnhenbr [62]

Answer:

<em>The last choice is correct</em>

Step-by-step explanation:

<u>Least Common Multiple (LCM)</u>

To find the LCM we can follow this procedure:

List the prime factors of each monomial.

Multiply each factor the greatest number of times it occurs in either factor.

We have two monomials:

$12a^4b^2c^5$

$40a^3b^7c^1$

The prime factors of the first monomial are:

$2^2,3,a^4,b^2,c^5$

The prime factors of the second monomial are:

$2^3,5,a^3b^7c^1$

LCM = Multiply $2^3*3*5*a^4*b^7*c^5$

These are all the factors the greatest number of times they occur.

Operating:

$LCM=8*15*a^4*b^7*c^5$

$\boxed{LCM=120a^4b^7c^5}$

The last choice is correct

3 0

3 years ago

Find The Volume Of The Prism

stepladder [879]

Answer:

volume = l×b×h

= 7.2cm×3cm ×9cm

=194.4

Step-by-step explanation:

Hope it will help

<h2><em>Brainlists please</em></h2>

4 0

2 years ago

Find the surface area of a 7.4 cm long iron rod and 3.1 m radius

Debora [2.8K]

Answer:

144.2 cm

Step-by-step explanation:

Length of the iron rod is 7.4cm

Radius is 3.1m

Therefore the surface area can be calculated as follows

= 2πrl

= 2×3.142×3.1×7.4

= 144.2 I'm

Hence the surface area is 144.2cm

3 0

2 years ago

What’s the answer to the product of 12 and k is 84

ra1l [238]

Answer:

Step-by-step explanation:

You would do the inverse opperation (divide) so 84/12.

Hope this helps :)

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son4ous [18]

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