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vlada-n [284]
3 years ago
14

Alana biked 45 miles in 3 hours how many miles did she bike in 1 hour

Mathematics
1 answer:
alisha [4.7K]3 years ago
8 0
15mph. 45/3=15 . She biked 15 miles per hour .
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Find the sum of the first 7 terms of the following series, to the nearest integer.
givi [52]

Answer:

9.983796

Step-by-step explanation:

Every time, it becomes smaller by 5/2 (6 divided by 5/2 is 12/5.... 12/5 divided by 5/2 is 24/25)

So, the first seven terms are 6, 2.4, 0.96, 0.384, 0.1536, 0.06144, 0.024756. Add them together and your answer would be 9.983796

Pleaseeee mark me brainliest :))

3 0
3 years ago
Read 2 more answers
Give an example of a job that would have a y-intercept of $0 and another with a y-intercept of $20. What do these y-intercepts m
strojnjashka [21]

Answer

I) A job pays $15/hr with no bonus first day pay.

II) A job pays $15/hr with a $20 bonus first day pay.

Step-by-step explanation:

The y-intercepts would represent additional income that is added on to the base wage. It means it is what the worker would already earn (one-time), adding on to their standard pay.

Let X represent hours, and the y-intercept be what is mentioned above.

I) 15x + 0

II) 15x + 20

6 0
3 years ago
If anyone can do this for me step by step i will give you 30 points please help me out
Artist 52 [7]

Answer:

after 10 months

Step-by-step explanation:

Let x be the number of months and y be the amount they still owe.

Sin Ian borrows $1000 from his parents, then the y-intercept b= 1000 since he owes $1000 when x = 0. He pays them back $60 each month The slope is then m = -60 . Substituting in b = 1000 and m = -60 into the slope-intercept form of a line then gives y= mx + b=-60x +1000.

Sin Ken borrows $600 from his parents, then the y-intercept b = 600 since he owes $600 When x= 0. He pays them back $20 per month so the amount he owes decreases $20 each month. The slope is then m = -20 . Substituting in

b= 600 and m = -20 into the slope-intercept form then gives y = mx +b = -20x + 600.

They will owe the same amount when they have the same y-coordinate. Therefore -60x+ 1000= y= -20x+600. Solve this equation for x:

-60x+ 1000 = -20x+ 600

1000 = 40x+ 600

400 = 40x

10=x

They will then owe the same amount after 10 months.

5 0
3 years ago
What is the equation of the parabola that has its vertex at (8,-1) and a y-intercept of
KIM [24]

Answer:

C) y=1/4(x - 3)2 - 1

Step-by-step explanation:

4 0
3 years ago
if the input value is negative, is the output value of f(z)=-4z+12 always positive or always negative?
expeople1 [14]
If the input value is negative, the output value is always positive.  We know this because the negative sign before the 4z will always reverse the negativity of the number that is plugged in.
6 0
3 years ago
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