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Archy [21]
2 years ago
7

The first step when dividing 9m2 − 4m − 6 by 3m is shown. Which could be the next step? 3m − − 3m − − 3m − − 3m − −

Mathematics
2 answers:
Rufina [12.5K]2 years ago
8 0

Answer:

3m -  \frac{4 }{3}  -  \frac{2 }{ m}  

EXPLANATION

The step shown is

\frac{9 {m}^{2}  }{3m}   -  \frac{4m}{3m}  -  \frac{6}{3m}  

This is the same as,

\frac{3 \times 3  \times m \times m  }{3 \times m}   -  \frac{4 \times m}{3 \times m}  -  \frac{2 \times 3}{3 \times m}  

The next thing to do now is to cancel out the common factors to obtain,

\frac{3 \times 1 \times m \times 1  }{1 \times 1}   -  \frac{4 \times 1}{3 \times 1}  -  \frac{2 \times 1}{1 \times m}

anygoal [31]2 years ago
6 0
Hi:)
9m²/3m=3m


4m/3m=4/3


6/3m=2/m


3m-4/3-2/m

Hope i helped !!!
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What is the average rate of change of the function in the table at the interval x = -1 to x = 1?
Andre45 [30]

Answer:

the answer is undefined

Step-by-step explanation:

If a function, f(x), is continuous (that is, has values for every x in the interval) from x=- 1 to x=1 ), then the average rate of change is:( total amount that f(x) changes ) / (total amount that x changes)( f(1) - f(-1) ) / ( (1) - (-1) )( f(1) - f(-1) ) / 2The variable x changes from (-1) to (1). That value is 2. [note: (1)-(-1) ]The function changes from f(-1) to f(1). You must determine f(1)-f(-1) and use that value as the numerator.Fill in the values to determine the average rate of change: ( f(1) - f(-1) ) / 2However, if the plot of y values is not a function, and there is some x value between -1 and 1 for which f(x) is undefined, then the rate of change of y from f(-1) to f(1) is also undefined.

4 0
2 years ago
Ina a class of 30 children,60% can swim. how many children cannot swim?
rewona [7]
60% of the total (30) can swim
60% of 30 = (60/100)*30 = 0.60*30 = 18
So 18 children can swim

This means 30-18 = 12 cannot swim

---------------------------------------------------------

An alternative is to do it this way: 

We know 60% can swim so that means 40% cannot swim. 
Notice how 100% - 60% = 40%
Or in other words, the 60% and 40% add to 100%. This is because we have two choices: either the person can swim or cannot swim

Since 40% cannot swim, this means
40% of 30 = (40/100)*30 = 0.40*30 = 12
and we get the same result as before

---------------------------------------------------------

Final Answer: 12
6 0
3 years ago
John goes to a restaurant and has a bill of $32.57. He uses a 10% off coupon on
otez555 [7]

Answer:

<u>John spends $ 37.98</u>

Step-by-step explanation:

1. John has a bill of $ 32.57

2. He leaves a tip of 18% on the amount before  the coupon or tax is applied, in consequence: 32.57 + 18% (32.57) = 32.57 + 5.86 = 38.43

3. He uses a 10% off coupon on  the cost of the meal, therefore:

38.43 - 10% (32.57) = 38.43 - 3.26 = 35.17

4. The tax is 8%, then:

35.17 + 8% (35.17) = 35.17 + 2.81 = 37.98

<u>John spends $ 37.98</u>

5 0
3 years ago
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Svetradugi [14.3K]

Answer:

x intercept = 3

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3 0
3 years ago
Read 2 more answers
Someone please help me on this!
Alexxx [7]

Answer & Step-by-step explanation:

This can be proven with the SAS theorem (side-angle-side)

With a perpendicular bisector, the line it bisects is cut directly in half. This creates two equal sides:

GJ=IJ

and it creates two 90° angles:

∠GJH=∠IJH

And because of the reflexive property of congruence:

JH=JH

Side-Angle-Side.

:Done

6 0
3 years ago
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