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inessss [21]
2 years ago
9

If Mel opens his refrigerator door 36 times every day, about how many times will it be opened in April? Will the exact answer be

more than or less than the estimate? Explain
Mathematics
2 answers:
babunello [35]2 years ago
8 0
I'm ASSUMING it would be somewhere around 1,116 times in the month of April, it could be less than the estimate. the reason i say 1,116 is because 36 *how many times he opens the door per day* multiplied by 31 *the highest number of days in a month* is 1,116 times the door had been opened. It could be less because sometimes the month may include 30 days instead of 31..... i hope this helps some, i honestly have no clue.

USPshnik [31]2 years ago
6 0
1080 times in April
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How do I do this question
Alekssandra [29.7K]
We know that
circumference=2*pi*r
for r=65/2----> r=32.5 cm
circumference=2*pi*32.5-----> 204.1 cm
so
one revolution <span>of Emma’s bicycle</span> is equal to 204.1 cm-----> 2.041 m
3.2 km-------> 3200 m
1 revolution---------> 2.041 m
x rev------------> 3200 m
x=3200/2.041 ----> x=1567.86 revolutions

the answer is
1567 complete revolutions
3 0
3 years ago
Curtis wants to save money for a trip overseas. Curtis invests $900 in an account that pays an interest rate of 8.75%. How many
professor190 [17]
Hi there
The formula is
A=p (1+r)^t
A future value 11700
P present value 900
R interest rate 0.0875
T time?
We need to solve for t
T=log (A/p)÷log (1+r)
So
T=log(11,700÷900)÷log(1+0.0875)
T=30.6years round your answer to get
T=31 years

Hope it helps
7 0
3 years ago
Read 2 more answers
The spending limit on John's credit card is given by the function f(t) = 15,000 + 1.57, where x is his monthly income. 1-13) $60
coldgirl [10]
1.
"The spending limit on John’s credit card is given by the function f(x)=15,000+1.5x"

means that if the monthly income of John is $ 5,000 ,he can spend at most

f(5,000)=15,000+1.5*5,000=15,000+ 7,500=22, 500 (dollars)

Or for example

if Johns monthly income is $8,000, then he can spend at most

f(8,000)=15,000+1.5*8,000=15,000+ 12,000=27,000 (dollars)


2.
Now, assume that the maximum amount that John can spend is y.

Then, y=15,000+1.5x

we can express x, the monthly income, in terms of y by isolating x:

y=15,000+1.5x

1.5x = y-15,000
X=y-15,000/1.5

thus, in functional notation, x, the monthly income, is a function , say g, of variable y, the max amount:
X=g(y) y-15000/1.5
since we generally use the letter x for the variable of a function, we write g again as:

G (x) x-15000/1.5
tells us that if the maximum amount that John can spend is 50,000 $, then his monthly income is 23,333 $.

3.

If John's limit is $60,000, his monthly income is
G(600,000)=60,000-15,000/ 1.5=45,000/1.5 =30,000

dollars.


Answer: $ 30,000

Remark: g is called the inverse function of f, since it undoes what f does.

instead of g(x), we could use the notation
5 0
3 years ago
Which equation can be used to solve for x in the following diagram?
jonny [76]

Step-by-step explanation:

B because the straight angle must be 180°

5 0
2 years ago
Read 2 more answers
CAN SOMEBODY HELP AND DO THIS PLEASEEEEEEEEE
Keith_Richards [23]

Answer:

65

Step-by-step explanation:

180-115=65 bc all the lines are parallel.

7 0
2 years ago
Read 2 more answers
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