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kow [346]
3 years ago
13

Multiply and simplify. (4a + 6b)(2a - 2b)

Mathematics
1 answer:
blsea [12.9K]3 years ago
6 0
(4a + 6b) x (2a - 2b)

the answer would be 8a2 + 4ab - 12b2
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Erin invested 15000 some at 5 percent and some at 8 percent annual interest if she recieves an annual return of 930 dollars how
eduard
.08x+.05(15000-x)=930
.08x+750-.05=930
.08x-.05x=930-750
.03x=180
X=180/.03=6,000 at 8%
(15000-6000)=9000 at 5%
8 0
3 years ago
Y=f(x)=2x find f(x) when x=2
Rainbow [258]

Y=f(x)=2x find f(x) when x=2

Plug in

f(2)=2(2)  =4

Answer

4

3 0
3 years ago
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The line for the equation y = 1 horizontal or vertical? What is the slope of this line?
Nimfa-mama [501]

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The line is horizontal and the slope is 0.

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7 0
2 years ago
Answer for Answer? I need the answer to 8 and 9. I’ll answer 2 of yours
steposvetlana [31]
Let's go:

8)

Total of senior students = 38
Total of senior students that preferred evening classes: 7
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Alternative A)

9)
Imagine being sold 100 desserts. Of these 100 desserts, 75% até chocolate, meaning 75 of these desserts are chocolate. Of these 75, 23% contains nuts. So:

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Alternative C)

I hope I helped you.
6 0
3 years ago
Read 2 more answers
4x-5=2x+7 midpoint segmen
Bogdan [553]

Answer:

x = 6

Step-by-step explanation:

The way to solve this is by subtracting 2x from both sides. Now we have

2x-5=7

Then we add 5 from both sides. Now we have

2x=12

We do this because we want X by itself

Then we divide by 2 on both sides and now we have

x = 6

If you have any questions feel free to ask in the comments.

7 0
4 years ago
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