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Irina-Kira [14]
3 years ago
14

Which expressions are equivalent after simplifying? Check all that apply. (3.1a – 2.7b) + (1.5a – 4.9b) (2.3a + 0.2b) – 8b (–3.5

b + a) – (4.1b – 3.6a) –0.4b + (8b + 4.6a) 4.6a – 7.6b
Mathematics
2 answers:
ozzi3 years ago
6 0

Answer:

1,2,3

Step-by-step explanation:

fomenos3 years ago
4 0

Answer:

1st one 3rd one and last kne

Step-by-step explanation:

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A woman rides a bicycle for 1 hour and travels 12 kilometers. Find the angular velocity of the wheel if the radius
Korolek [52]

14.81 radians/second

Step-by-step explanation:

3 0
2 years ago
Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in the simplest form 15,1
Tatiana [17]

Step-by-step explanation:

the sequence is arithmetic due to the common difference that is equal

d=11-15=7-11=-4

 a(n) = a1 +(n-1)d

a1=15

Then :

a(n) = 15+(n-1)-4

hope this helps

6 0
2 years ago
How to solve 4x-c=k solve for x
Tresset [83]

Answer:

x = \frac{k + c}{4}

Step-by-step explanation:

<em><u>Given:</u></em>

4x - c = k

<em><u>Solve for:</u></em>

x

<em><u>Solution:</u></em>

(1) Let's move all of components that do not contain x (our target) to the right side (notice the change of sign of c from negative to positive):

4x = k + c

(2) Let's divide both sides of equation by 4:

\frac{4x}{4}  = \frac{k + c}{4}

(3) Now, we simplify the left side:

x = \frac{k + c}{4}

This is the solution.

Hope this helps!

:)

3 0
3 years ago
2. Tonya runs 8 kilometers in 60 minutes. At this rate.
egoroff_w [7]

Answer:

Step-by-step explanation:

8:60 is the rate

Divided by 2

4:30

So, she could run 4 kilometers in 30 minuets.

Divide by 2 again.

2:15

She can run 2 kilometers in 15 minuets.

7 0
2 years ago
What is the surface area of this rectangular prism?
morpeh [17]
All of the surfaces are rectangular
7 0
3 years ago
Read 2 more answers
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