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3 years ago

How many whole ones are equal to 40 tenths?

Mathematics

2 answers:

3241004551 [841]3 years ago

6 0

40 tenths = .1 x 40
.1 x 40 = 4.0
there are 4 wholes in 40 tenths

kkurt [141]3 years ago

4 0

40 tenths = 40 x 1/10 = 4

So that would 4 whole ones.

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3 years ago

The function that represents bruce’s elevation in feet over time in hours is an exponential function that starts at 1,505 feet.

wariber [46]

Answer:

<h3>The function for Bruce’s elevation is $f(x)=1505(6)^x$ and because b=6 that is greater than 0, it is an exponential growth function.</h3>

Step-by-step explanation:

We have given initial Bruce’s elevation = 1,505 feet.

We know, the exponential function $f(x)=a(b)^x$ , where a is the initial value, b is the growth factor and x is the exponent represents time in hours.

Each successive hour, his average elevation change for the hike becomes 6 times the previous hourly elevation change.

Therefore, initial value a=1505, growth factor b for exponential function $f(x)=a(b)^x$ is 6.

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Also note, if b>0, it would be an exponential growth function.

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4 years ago

for his phone service, Chua pays a monthly fee of 25, and he pays an additional $0.05 per minute of use. the least he has been c

postnew [5]

Inequalities

Chua pays a monthly fee of $25 for his phone service, plus $0.05 per minute of use.

Let M = number of minutes Chua uses the phone service.

His monthly cost for the phone service is:

C = 25 + 0.05M

The least he has been charged in a month is $89.40. If we want to know the number of minutes he used the service in that month, then we must solve the inequality:

25 + 0.05M ≥ 89.40

Subtracting 25:

0.05M ≥ 89.40 - 25

Operating:

0.05M ≥ 64.40

Dividing by 0.05:

M ≥ 64.40 / 0.05

M ≥ 1288

He has used his phone service at least for 1288 minutes in a month

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1 year ago