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Law Incorporation [45]

3 years ago

13

A group of aliens are planning a trip to Earth. For every 5 aliens they need 7 power pouches in order to meet one day's food nee

ds. If there are 40 aliens traveling, how many power pouches will they need for each day of the trip?

1 answer:

noname [10]3 years ago

3 0

$7 \times 40 \div 5 = 56$
and so the aliens will need 56 power pouches for each day of the trip.

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Phones-R-Us charges $16.95 per month and $0.05 per text message. Awesome Wireless charges $22.95 per

Dima020 [189]

Answer:

$S \leq 200$

Step-by-step explanation:

Given

Phone R-Us= $16.95 + $0.05 per SMS

Awesome Wireless = $22.95 + $0.02 per SMS

Required

Determine the number of SMS such that Awesome Wireless is greater or equal to Phone R-Us

Represent the SMS with S

For Phone R-Us, we have:

$SMS = 16.95 + 0.05S$

For Awesome Wireless, we have:

$SMS = 22.95 + 0.02S$

For Awesome Wireless is greater or equal to Phone R-Us, we have:

$22.95 + 0.02S \geq 16.95 + 0.05S$

Collect Like Terms

$0.02S - 0.05S \geq 16.95 - 22.95$

$-0.03S \geq -6$

Solve for S

$\frac{-0.03S}{-0.03} \geq \frac{-6}{-0.03}$

$S \leq 200$

<em>Hence: for Awesome Wireless to cost more or equal to Phone R-Us, the number of SMS must not exceed 200</em>

4 0

3 years ago

I need help now its due right now can anyone help me

cestrela7 [59]

Answer:

(2,-3)

Step-by-step explanation:

I thought you'd actually have to calculate it but I guess they just wanted to give you guys a graph lol

7 0

3 years ago

Find the domain of the function

aev [14]

Domain are those values of x for which function is defined. f(x) is not defined at x = 3. Therefore Domain is

x∈ (⁻∞, +∞) - {3}

8 0

4 years ago

If someone deposits $3,000 into a savings account, keeps the account open for 6 years, and ends up earning $720 in interest, wha

kykrilka [37]

Answer:

3750

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

A circle with center at (-2,2) passes through (7,2). Find the circumference and area of the circle in terms of p.

____ [38]

Answer:

18pi units is the circumference

81pi units² is the area

Step-by-step explanation:

Radius² = (-2-7)² + (2-2)² = 9²

Radius = 9

Circumference = 2pi×r

= 18pi

Area = pi × r²

= 81pi

8 0

3 years ago