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12345 [234]
2 years ago
11

Simplify: 2(7r + 5r) HELP WILL GIVE BRAINLIST IF FULLY COMPLETE EXAMPLE/ANSWER

Mathematics
2 answers:
lesya [120]2 years ago
7 0

Answer:

24r

Step-by-step explanation:

2(7r + 5r)

Combine 7r and 5r to get 12r.

2 × 12r

Multiply 2 and 12 to get 24.

24r

Darya [45]2 years ago
7 0

Answer:

24r

Step-by-step explanation:

2 times 7r = 14r

2 times 5r = 10r

14r + 10r = 24r

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(3x - 2)³= <br>gives the solution pls.​
Nonamiya [84]

Answer:

27x^3 - 54x^2 + 36x - 8

Step-by-step explanation:

(3x - 2)^3

= (3x - 2) (3x - 2) (3x - 2)

= 27x^3 - 54x^2 + 36x - 8

Hope this helps :)

Let me know if there are any mistakes!!

5 0
3 years ago
Read 2 more answers
What is the Slope of the line
vampirchik [111]

Answer:

m=\frac{-3}{4}

Step-by-step explanation:

Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Simply plug in 2 coordinates into the slope formula to find slope <em>m</em>:

m=\frac{-4-(-1)}{5-1}

m=\frac{-4+1}{4}

m=\frac{-3}{4}

5 0
2 years ago
i need help i literally don't understand this at all and the teacher doesn't explain the assignment at all.
Sati [7]

Answer:

2) 67.8°

3) 46.8°

4) 56.0°

Step-by-step explanation:

Use the right triangle trig functions

sine, cosine, or tangent and take the inverses to find the angle

4 0
3 years ago
More points for all of my friends<br>​
Lisa [10]

Answer:

hey

Step-by-step explanation:

6 0
3 years ago
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3.) mr. smith’s class sold wrapping paper for $3.50 each and mr. davis’ class sold magazines for $2.75 each. together, the class
igor_vitrenko [27]

Answer:

The number of wrapping paper sold was 32 and the number of magazines sold was 40

Step-by-step explanation:

Let

x ----> the number of wrapping paper sold

y ----> the number of magazines sold

we know that

The classes sold 72 items

so

x+y=72 ----> equation A

The classes earned $222 for their school

so

3.50x+2.75y=222 ----> equation B

Solve the system of equations by graphing

Remember that the solution of the system of equations is the intersection point both graphs

using a graphing tool

The solution is (32,40)

see the attached figure

therefore

The number of wrapping paper sold was 32 and the number of magazines sold was 40

7 0
3 years ago
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