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irina1246 [14]
2 years ago
10

HELP ME! i know this isn't math but people don't help me so i used this sudject anyways please & thank you <333

Mathematics
1 answer:
Lerok [7]2 years ago
7 0

7) 40m = 40/1000 = 0.04km

8) 84m = 84/1000 = 0.84km

9) 63m = 63/1000 = 0.63km

10) 6.1cm = 6.1 × 10 = 61mm

11) 0.6cm = 0.6 × 10 = 6mm

12) 2.9cm = 2.9 × 10 = 29mm

13) 10m = 10 × 100 = 1000cm

14) 43m = 43 × 100 = 4300cm

15) 64m = 64 × 100 = 6400cm

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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
2 years ago
The high temperatures for the last seven days are: High Temperatures: 81, 78, 83, 89, 80, 87, 78
Leno4ka [110]

Answer:

81

Step-by-step explanation:

5 0
3 years ago
Help!!!!!! Quick <br> Evaluate (x + y)° for x = -3 and y = 5.<br> - 1/2<br> 2<br> 1<br> O
MrMuchimi

Answer:

it is 1

Step-by-step explanation:

The power of 0 causes all numbers to negate to 1.
Anything to the power of 0 is 1


For example:

(10)^0 = 1

7 0
2 years ago
A car travels 30 1/5 miles in 2/3 of an hour. What is the average speed of the cat in mph?
____ [38]

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45.3 miles/h

let 'x' be the speed of the car. Hope this will helps:)

Step-by-step explanation:

7 0
3 years ago
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H(n) = n^2 - 4n; Find h(-3)
Vladimir79 [104]

Answer:

h(-3)= (-3)^2 - 4(-3)

9+12= 21

3 0
2 years ago
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