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lisov135 [29]
3 years ago
7

You had 250 minutes left on your cellphone and you talk an hour a week

Mathematics
1 answer:
hjlf3 years ago
3 0
Let w = the number of weeks you talked on your cell phone

60 min = 1 hr

60w + 250 = total number of minutes
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The Math Club wants to visit a science museum that is 180 miles away from the school. If the club has $150 in its field trip
Arlecino [84]

Well, i depends on how much the van cost bc if you do have enough for the van alone, then you will not have enough for the gas or for snacks for the 180mile drive

4 0
3 years ago
Evaluate 4(a2 + 2b) - 2b when a = 2 and b = –2
amid [387]
First you simply have to substitute 2 in replace of all the a's, and -2 in replace of all of the b's

4((2)2+2(-2))

Then you want to follow the order of operations, PEMDAS (Parantheses-Exponent-Multiplication-Division-Addition-Subtraction), and multiply within the parantheses.

4(4+(-4))

Next you will add within the parantheses (So add the 4 and -4 together)

4(0)

Lastly multiply

0

Your answer is 0

Hope this helps!
5 0
3 years ago
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20 POINTS ANSWER FAST
Bond [772]

Answer

False

Step-by-step explanation:

8 0
3 years ago
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Billy anderson is choosing between two fitness centers. Center A charges $495 per year for unlimited use of all facilities. Cent
GREYUIT [131]

Let's compare the cost of both the centers.

<u>Cost of Center A:</u>

One time charge of $495 in one year.

<u>Cost of Center B:</u>

  • Flat $25 dollar sign up fee
  • $15 per month, so 15*12=180 dollars a year
  • $5 per aerobic class, so 5*52=260 dollars a year (given that Billy goes to class once a week) (<em>Note: There are 52 weeks in a year</em>)

Total cost = 25+180+260=465 dollars

Hence, Center B would cost 495-465=30 dollars cheaper.


ANSWER: Least expensive club for Billy to use for a year is Center B

5 0
3 years ago
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The speed of light in a vacuum is 29,980,000,000
sweet [91]

Answer:

\huge\boxed{\sf 2.998 \times  10^{10}}

Step-by-step explanation:

<u>Given number:</u>

29,980,000,000

<u>Rules:</u>

  • Move the decimal point after the first non-zero digit. (after 2)
  • Here, we will move the decimal point 10 places to the left to move it after the first non-zero digit.
  • Since we move the decimal point 10 places, we will write the number as a multiple of 10¹⁰ (10 being the exponent).

<u>The number will become:</u>

2.998 × 10¹⁰

\rule[225]{225}{2}

4 0
2 years ago
Read 2 more answers
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