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True [87]
3 years ago
9

Which property is illustrated by the equation 3 (m n) = (3 m) n? HELP ME PLZ I NEED THIS THANK YOU

Mathematics
1 answer:
GaryK [48]3 years ago
3 0

Answer:

Associative properties of multiplication

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Which expression is equivalent to x2 − x − 6 x2 + 2x − 15 ? A) x + 3 x + 5 B) x + 2 x + 5 C) x + 3 x − 3 D) x + 2 x − 3
Tema [17]

Answer:

Well, I am not sure which one is equivalent to another, but I have some information that should help you find your answer.

Step-by-step explanation:

The simplified expression to x2 − x − 6 x2 + 2x − 15 would be equal to −5 x 2 + x − 15.

The simplified expression to x + 3 x + 5 would be equal to 4x + 5.

The simplified expression to x + 2x + 5 would be equal to 3x + 5.

The simplified expression x + 3 x − 3 would be equal to 4x − 3.

The last simplified expression to x + 2 x − 3 would be equal to   3x − 3.

Hope this helps, I am really sorry if I didn't answer your question properly, or the way you asked!

4 0
3 years ago
Read 2 more answers
Find the equation the line with the given information below:
dimulka [17.4K]

Answer:

in slope intercept form: y=3x+3

in point slope form: y-6=3(x-1)

Step-by-step explanation:

I'm not sure which form u need so i wrote both, I hope this helps.

6 0
3 years ago
A school bus can carry 66 pupils. how many pupils can ride on 12 such buses
denis-greek [22]
66x12=792 pupils can ride on 12 buses
4 0
3 years ago
Questione Simplify Cosa + 2Cos(a +240")​
melamori03 [73]

Step-by-step explanation:

\cos(a)  + 2 \cos(a + 240)

\cos(a)  + 2 \cos(a)  \cos(240)  -  \sin(a)  \sin(240)

\cos(a)  + 2( -  \frac{ \cos(a) }{2}  +   \frac{ \sqrt{3} }{2}   \sin(a) )

\cos(a)  -  \cos(a)  +  \sqrt{3}  \sin(a)

\sqrt{3}  \sin(a)

If you graph the new identity, and the og identiy, they will be conciding graphs, so they are the same identity.

7 0
2 years ago
Slope of (1,3) and (4,9)
elena-s [515]

Answer:

slope = 2

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (1, 3) and (x₂, y₂ ) = (4, 9)

m = \frac{9-3}{4-1} = \frac{6}{3} = 2

5 0
3 years ago
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