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lara [203]
3 years ago
9

Photo attached please help

Mathematics
1 answer:
In-s [12.5K]3 years ago
4 0

Answer:

the answer is b

Step-by-step explanation:

the first and last equation on my calculator are the same

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Helppppppppp Pleaseeeeeeeeeeeeee
pochemuha

Answer:

It's the 2nd one

Step-by-step explanation:

To find the number of yellow marbles, you would do the number of blue marbles plus 6 marbles.

So in this case, let's say n was equal to the number of blue balls, the equation would be n+(n+6)=24.

What if n was equal to the number of yellow balls. The equation would be n+(n-6)=24.

Hope this made sense, let me know if you are still confused.

8 0
3 years ago
Anyone help me please
andrew11 [14]

Solution,

As we have,

⇒2SinACosB=Sin(A+B)+Sin(A-B)

Now,

2sin7\alpha .cos2\alpha =sin9\alpha +sin5\alpha \\\\LHS=2sin7\alpha .cos2\alpha \\\\LHS=sin(7\alpha +2\alpha )+sin (7\alpha -2\alpha )\\\\LHS=sin9\alpha +sin5\alpha

<em>Hence, LHS=RHS</em>

4 0
2 years ago
If f(x) = x2 + 2x + 3, what is the average rate of change of f(x) over the interval [-4, 6]?
a_sh-v [17]

Calculating the value of f(x) for the given interval.

For x = - 4, f(x) = f(- 4) = (- 4)^2 + 2 (- 4) + 3 = 11

For x = 6, f(x) = f(6) = (6)^2 + 2 (6) + 3 = 51

Now using formula for the calculation of average rate of change of f(x) over the given interval of [- 4, 6];

(f(b) – f(a)) / b – a = (f(6) – f(- 4)) / 6 – (- 4) = (51 -11) / 10 = 4

<span>So option “E” is correct.</span>
7 0
3 years ago
The graph below shows how far a ship is traveling in a certain amount of time.
olga2289 [7]

Answer:

100 miles

Step-by-step explanation:

Remark

All you need do is start at 4 hours on the y axis and go right until you hit a dot. When you do, go down until you hit a number on the x axis.

It helps if you mark up the graph.

Go right from 4

You hit a dot

Look down.

You should see 100. That's how far you go in 4 hours.

Note

This is an odd graph. Usually time is on the x axis.

5 0
3 years ago
What is the solution to the equation<br> 3x+9-7x=2(x+6)
Tasya [4]

Answer:

x=-1

Step-by-step explanation:

hello :

3x+9-7x=2(x+6)

3x+9-7x=2x+12

3x-2x-7x=12-9

-6x = 6

x=6/-6 = -1

5 0
3 years ago
Read 2 more answers
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