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Natalka [10]
3 years ago
6

Which answer is equal to -63i/-9i?

Mathematics
1 answer:
Rzqust [24]3 years ago
7 0
Please pay attention to order of operations.
\frac{-63i}{-9i} = 7 . . . . parentheses are needed -63i/(-9i)
\frac{-63i}{-9}i = 7 i^{2}=-7
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Need help with this question
kicyunya [14]

The equation of the line that passes through the points (2,1) and (5,-8) is

y = -3x + 7

6 0
2 years ago
What is the relationship between the 6's in the number 6647
marta [7]
We can break down the number 6647 into:
6647=6000+600+40+7
The first 6 in the number is in the thousands place (6,000), and the second 6 is in the hundreds place (600). 
The first 6 is 10 times greater than the second one.
8 0
3 years ago
Write the rule of this pattern 5,20,80,320
Luden [163]
Times 4 because, 5 times 4 is 20, 20 times 4 is 80 and so on.
6 0
3 years ago
Read 2 more answers
What is the average rate of change of the function over the interval x = 0 to x = 8?
Hatshy [7]

Answer:

if f(x) = 3x+4, the rate of change is 4.

if f(x) = 2x+7, the rate of change is 2.

Step-by-step explanation:

We know that the average rate of change over the interval x=0 to x=8 is:

(f(x2) - f(x1))/x2-x1

Where:

x2 = 8

x1 = 0

if f(x) = 3x+4

so f(8)=3(8)+4 = 28

f(0)=3(0)+4 = 4

Then: (f(x2) - f(x1))/x2-x1 = (28 - 4)/8-0 = 24/8 = 3

On the other hand, if f(x) = 2x+7

f(8) = 2(8)+7 = 23

f(0) = 2(0)+7 = 7

Then: (f(x2) - f(x1))/x2-x1 = Then: 23 - 7/8-0 = 16/8 = 2

8 0
3 years ago
Why is rounding important?
Alik [6]

Answer:

C

Step-by-step explanation:

Rounding can make a long number that might be confusing short and easy to understand. D sounds like the right answer but actually rounding isn't the most accurate. Using a fraction is.

7 0
2 years ago
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