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2 years ago

Instructions: Find the missing segment in the image below. HELP PLEASEE !!

Mathematics

1 answer:

aleksklad [387]2 years ago

7 0

The missing segment in the image below is 78 units.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

The ratio or two corresponding sides of similar shapes are in the same proportion.

Let x represent the missing side, hence:

(x + 26)/26 = 48/12

x =78

The missing segment in the image below is 78 units.

Find out more on equation at: brainly.com/question/13763238

#SPJ1

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Two people are to be selected from a group of five employees: Jane, Jan, Jack, John and Joe.

AlexFokin [52]

Answer:

a) 10

b) $\frac{4}{10}$

c) $\frac{6}{10}$

d) 20

Step-by-step explanation:

Hi,

There are two ways of solving counting problems:

1. Combination: It is used when order does not matter.

2. Permutation: It is used when order does matter.

We use combination, order doesn't matter.

There are five total members, we need to select two.

n = 5 and r = 2

$5C2 = 10$

We are fixing one seat for Jack. Hence only four people are left, any one of them can take the other seat.

n = 4 and r = 1

$4C1 = 4$

There are 4 possibilities where Jack will be selected from a total of 10 possibilities (as calculated in part a. )

$\frac{4}{10}$ is the total probability of selection.

To select Jack or Jane, means having one seat fixed for either of them.

$2C1 = 2$

To select any one the other three members, the possibilities are:

$3C1 = 3$

In the rules of probability, and = multiplication; or = addition.

Here, we are considering an "AND" situation.

$2$ × $3$ $= 6$ are the total instances of having Jack or Jane on one seat out of a total of 10 possibilities (as calculated in part a)

The probability then changes to $\frac{6}{10}$

Here we use Permutation since order does matter.

There are 5 people and 2 are to be selected.

n = 5 ; r = 2

$5P2 = 20$

Formula:

Combination: $\frac{n!}{(n-k)! k!}$

Permutation: $\frac{n!}{(n-k)!}$

7 0

4 years ago

Which of the following is greater than 34/8?

AVprozaik [17]

Of the following, D is greater than 34/8. I know this because 47/11 is 4.27272727 (repeating) as a decimal while 34/8 as a decimal is 4.25.

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3 years ago

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Telly’s salary increased from $60 to $80 a week. What percent of increase in salary was this?

OverLord2011 [107]

The change is $20. You just need to calculate that how percent of the original salary($60) is $20.

20/60*100 = 33.3%

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3 years ago

Two solution of salt water contain 0.03% and 0.23 salt respectively. A lab technician

n200080 [17]

Answer:

750 mL of 0.23% solution
250 mL of 0.03% solution

Step-by-step explanation:

Let x represent the quantity (in liters) of the higher percentage solution, the 0.23% solution. Then 1-x will be the quantity of 0.03% solution. The amount of salt in the mix is ...

0.23%·x +0.03%·(1 -x) = 0.18%·1

Multiply by 100% and subtract 3:

20x = 15

x = 15/20 = 0.75 . . . . liters of 0.23% solution

1-x = 1-0.75 = 0.25 . . liters of 0.03% solution

The lab tech needs 750 mL of 0.23% solution and 250 mL of 0.03% solution.

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4 years ago

What is trigonometry?

dusya [7]

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3 years ago

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