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vovikov84 [41]
3 years ago
7

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
Vlad [161]

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

7 0
2 years ago
Read 2 more answers
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.

5 0
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
5 0
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.

8 0
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? :)

3 0
3 years ago
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