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Hitman42 [59]
3 years ago
12

The scale of a map is 1cm; 50mi. Determine the distance between two cities that are 4.2cm apart on the map

Mathematics
1 answer:
VMariaS [17]3 years ago
6 0
The answer is 210 miles
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This is for 100 points which is rather rare so please help me out
Lelechka [254]

Answer:

C) $281.25

Step-by-step explanation:

3/15 describes you having to pay the bill in 15 days with a 3% discount.

3% = 0.03

289.95 - (298.95 x 0.03)

289.95 - 8.6985

281.25

8 0
3 years ago
A pharmaceutical company is conducting a study on whether or not their new vaccine is effective in preventing chicken pox. The r
Fed [463]

Answer:

The answer is "Type 1 error".

Step-by-step explanation:

The error of type I, frequently known as a 'false positive': its error in judgment that perhaps a null hypothesis is simply rejected. This is the mistake of accepting a possible (actual interest hypothesis) hypothesis whenever the results could be attributed to chance since the researchers deny, if valid, the null hypothesis.

5 0
3 years ago
A window washer cleaned 38 windows in 2 hours.At this rate, how many windows did he clean in 7 hours?
ValentinkaMS [17]
Half of 38 is 19 so in one hour he can clean 19 windows. Then in 7 hours he can clean 133 windows. please rate me the brainiest!<span />
5 0
3 years ago
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Find 10th term of a geometric sequence whose first two terms are 2 and -8. Please answer!!
Shalnov [3]

Answer:

The 10th term is -524,288

Step-by-step explanation:

The general format of a geometric sequence is:

a_{n} = r*a_{n-1}

In which r is the common ratio and a_{n+1} is the previous term.

We can also use the following equation:

a_{n} = a_{1}*r^{n-1}

In which a_{1} is the first term.

The common ratio of a geometric sequence is the division of the term a_{n+1} by the term a_{n}

In this question:

a_{1} = 2, a_{2} = -8, r = \frac{-8}{2} = -4

10th term:

a_{10} = 2*(-4)^{10-1} = -524288

The 10th term is -524,288

6 0
3 years ago
-3x + 1 - 5x i need the answer quick
Sergeu [11.5K]

Answer:

-8x + 1

Step-by-step explanation:

hope this si correct

5 0
3 years ago
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