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Grace [21]
4 years ago
10

Consider the following proportion:

Mathematics
2 answers:
fiasKO [112]4 years ago
8 0

Answer:

42

Step-by-step explanation:

With a simple problem like this you can just do 84/2.

Svet_ta [14]4 years ago
5 0

Answer:

x=42

Step-by-step explanation:

nsolve(2x=84,x)

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10 have volunteered to help with the preparations for a party. How many ways can Susan assign someone to buy​ beverages, someone
Lesechka [4]

Answer:

The answer is 720 ways.

Step-by-step explanation:

Total friends who volunteered = 10

Total number of jobs that have to be done = 3

Here order matters, so it is a permutation question.

We can use the formula nPr.

= \frac{10!}{7!}

= 720 ways.

The second way to solve this is:

Susan can choose the first person to do a job in 10 ways

Then the second job can be done in 9 ways and the third in 8 ways.

Total becomes = 10\times9\times8=720 ways

5 0
4 years ago
Maria bought seven boxes. A week later half of all her boxes were destroyed in a fire. There are only 22 boxes left. With how ma
Sloan [31]

Answer:

44

22*2

=44

Step-by-step explanation:

7 0
3 years ago
117 divided by 13 in equal groups
Alexxandr [17]

Answer:

Step-by-step explanation:

1x117 = 117

3x39 = 117

9x13 = 117

6 0
3 years ago
What figure has<br> 4 equilateral sides, but<br> no right angles?
MissTica

Answer:

rhombus

Step-by-step explanation:

lol

5 0
3 years ago
F is the function f(×)= 2x+5<br> Find f(3)
tatiyna

Answer:

f(3)=11

Step-by-step explanation:

f(x) = 2x + 5

to find f(3) we simply plug in 3 where ever x is

So f(3) = 2(3) + 5

==> multiply 2 and 3

f(3) = 6 + 5

==> add 6 and 6

f(3) = 11

5 0
2 years ago
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