3 years ago

1. 10x + 5 + 3x + 1 # of terms list like terms

Mathematics

1 answer:

Sophie [7]3 years ago

3 0

Answer: 13x + 6

Step-by-step explanation: combine like terms

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a girl was asked about her age and she said she is half her mothers age and she was asked how old was her mother and she said i

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Answer:

The girl is 19 y/o, the mom is 38 y/o and the dad is 43 y/o.

Step-by-step explanation:

26+13+31= 70 NO

40+20+45= 105 NOT QUITE

19+38+43= 100 YES

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3 years ago

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What is the area of a circle with a diameter of 24 meters (use 3.14 for Pi)?

Zarrin [17]

The area of a circle is represented by the equation:

$A=\pi r^{2}$

We know that the diameter is two times the radius: $d=2r$

So if we know that the diameter of the circle is 24m, we can divide this by two in order to get the radius:

$24m=2r$ --> $r=12m$

So then we can plug this radius in to the equation for the area of a circle:

$A=\pi (12)^{2}$

$A=144\pi$

We are told to use 3.14 as pi, and not pi itself, so let's plug in 3.14 for pi:

$A=3.14(144)$

$A=452.16m^{2}$

Now we know that the area of this circle is 452.16 square meters.

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3 years ago

Simplify completely the quantity 3 times x to the 4th power plus 5 times x to the 2nd power plus 2 times x all over x. (2 points

BartSMP [9]

3x^3+5x+2 is the answer

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3 years ago

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Write a proportion and then solve to find the missing measure of the reduced rectangle. What two ratios can be used in the propo

lions [1.4K]

Answer:

What two ratios can be used in the proportion?

8/3 and 18/x

What is the value of a missing measure?

6.75 in.

Step-by-step explanation:

im right trust me. im just cool like that.

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3 years ago

Will give brainliest

Marianna [84]

A. Commutative Property

"The commutative property states that the order in which two numbers are added or multiplied does not affect the sum or product." ~ ck12.org

May I have brainliest please? :)

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3 years ago