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Airida [17]
3 years ago
5

What is -1 -2(3x-5) -2 1/5(3x+1/2) -3 0.5(5x-2.2)

Mathematics
1 answer:
antoniya [11.8K]3 years ago
5 0

Answer:

1. 6x+10

2. 3x+\frac{1}{2}/5

3. 2.5x-1.1

I'm not sure if I did it in the correct format. :(

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What's the slope and y-intercept?
Ludmilka [50]

Answer:

Slope: -9

y-intercept: (0,5)

Step-by-step explanation:

The slope equation is rise over run. Let's use 2 different points to figure it out. (0,5)(1,-4) So you want to do -4-5 divided by 1-0. The outcome will be -9 over 1. So the answer for slope would be -9. For the y-intercept, you want to find the point on the line where it passes through the y-axis. You would write, (0,5) You wrote 0 for x because it is on the y-axis. I hope this helps!

5 0
3 years ago
Find the remainder when f(x) = x3 − 14x2 + 7x − 10 is divided by x − 3.
serious [3.7K]

Answer: -88

<u>Step-by-step explanation:</u>

To find the remainder, you can use long division, synthetic division, or input the x-value.  I am going to input because it is the fastest method.

f(x) = x³ - 14x² + 7x - 10           divided by x - 3 = 0 ---> x = 3

f(3) = 3³ - 14(3)² + 7(3) - 10

     = 27 - 126  + 21 - 10

     = -88

4 0
3 years ago
4n+22=70, find the value for 3n
stiks02 [169]
<span>4n+22=70
4n = 70 - 22
4n = 48
  n = 12

value for 3n
3n = 3(12) = 36

hope it helps</span>
7 0
3 years ago
How many different 11-letter arrangements can be made using the letters in the word Firecracker?
zhenek [66]

Answer:

Total number of arrangements = 1,663,200

Step-by-step explanation:

Given:

11 - letter

FIRECRACKER

F = 1

I = 1

R = 3

E = 2

C = 2

A =1

K = 1

Find:

Total number of arrangements = ?

Computation:

Note: Repeated letter will be avoid.

Number\ of\  arrangements = \frac{!11}{!3 \times !2 \times !2}\\\\Number\ of\  arrangements = \frac{!11}{!3 \times !2 \times !2} \\\\Number\ of\  arrangements = \frac{11 \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3}{3 \times 2 \times 2 } \\\\Number\ of\  arrangements = 1,663,200

Total number of arrangements = 1,663,200

6 0
4 years ago
Simplify the following radical expression.
ioda
It would be: A 2 radical 5
8 0
2 years ago
Read 2 more answers
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