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Andrews [41]
3 years ago
7

-2c + 3c - 5 - 4c + 7

Mathematics
2 answers:
kaheart [24]3 years ago
6 0

Answer:−

3c+2

Step-by-step explanation:

natulia [17]3 years ago
6 0

Answer:

−3c +2

Step-by-step explanation:

Combine Like Terms

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The radius of a circle measures 5 inches A central angle of the circle measuring 12 radians cuts off a sector
blagie [28]

Answer:

  25/4 square inches

Step-by-step explanation:

The area of a sector of a circle is given by the formula ...

  A = (1/2)r²θ

where r is the radius and θ is the central angle in radians.

For your sector, the area is ...

  A = (1/2)(5 in)²(1/2) = 25/4 in²

8 0
3 years ago
How can you analyze connections between linear equations and use them to solve problems
Alexeev081 [22]

Answer:

Step-by-step explanation:

One of the more obvious "connections" between linear equations is the presence of the same two variables (e. g., x and y) in these equations.

Assuming that your two equations are distinct (neither is merely a multiple of the other), we can use the "elimination by addition and subtraction" method to eliminate one variable, leaving us with an equation in one variable, solve this 1-variable (e. g., in x) equation, and then use the resulting value in the other equation to find the value of the other variable (e. g., y).  By doing this we find a unique solution (a, b) that satisfies both original equations.  Not only that, but also this solution (a, b) will also satisfy both of the original linear equations.

I urge you to think about what you mean by "analyze connections."  

6 0
3 years ago
What is the unknown term.<br>in the seqpence 4.5, 5.4,____7.2<br><br>A.6.2 or B. 63​
harina [27]

Answer:

6.3

Explanation:

To get from 4.5 to 5.4, you need to add 0.9. If you add 0.9 two more times, you get 7.2. Therefore, the middle term should be 6.3. I don't know if you made a typo and forgot the decimal when writing the options cause it says "63", but I believe the answer is 6.3.

4 0
3 years ago
Can some one help me i need it done by today
lapo4ka [179]

Answer:


Number 9: 1.25 miles

Step-by-step explanation:

In total Brian hiked 16 miles

In total Christine hiked 14.75

So, 16 - 14.75 = 1.25

Overall, Brian hiked 1.25 more miles than Christine.

7 0
2 years ago
Help Please! Is the relationship shown by the data linear? How can you tell if it is or is not? If so, model the data with an eq
BabaBlast [244]
It is linear. The equation would be: y=2x+19
5 0
3 years ago
Read 2 more answers
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