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2 years ago

An Internet service provider charges $18 per month plus an initial set-up fee of $45.

Mathematics

1 answer:

andrew-mc [135]2 years ago

5 0

A. 18m+45=t

m=months
t=total cost

b.
1 month=$63
6 months = $153
12 months (1 year)= $261

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In a un ceremony, 25 diplomats were introduced to each other. suppose that the diplomats shook hands with each other exactly onc

saw5 [17]

The question is asking 'how many different ways can we pair two diplomats to shake hand'?

The combination formula is given by: $\frac{n!}{(n-r)!r!}$

We have n = 25 and r = 2

Substituting into the formula we have

$\frac{25!}{(25-2)!2!} =300$ handshakes

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3 years ago

On his vacation, Chad spent 1/8 of the day swimming, 1/6 of the day shopping, and 1/4 of the day water skiing. How much of the d

Anastaziya [24]

Answer:

11/24

Step-by-step explanation:

First find the common denominators of each fraction:

The common denominator of each fraction is 24

1/8 multiplied by 3 is 3/24
1/6 multiplied by 4 is 4/24

1/4 multiplied my 6 is 6/24

add these fractions up

3/24 + 4/24 + 6/24 = 13/24

subtract 24/24 - 13/24 = 11/24

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2 years ago

Angle GNH is congruent to angle KNL. Angle MNL is complementary to angle KNL. What is the measure of angle MNL?

Sliva [168]

Answer:

The measure of angle MNL is $42\°$

Step-by-step explanation:

see the attached figure to better understand the problem

In this problem we know that

angle GNH is congruent to angle KNL

$m$ -----> by vertical angles

$m$

Find the measure of angle MNL

$m$ ------> by complementary angles

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$m$

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3 years ago

Read 2 more answers

Tina must select and answer in any order three of seven

Leno4ka [110]

Answer:

Tina can select and answer the essay questions on her test in 35 ways.

Step-by-step explanation:

The order in which she chooses the questions is not important. For example, choosing questions 1, 3 and 7 is the same as choosing 7, 3 and 1. So we use the combinations formula to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.