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4 years ago

Someone just help me please questions 7 and 9 ASAP

Mathematics

1 answer:

Paraphin [41]4 years ago

6 0

Answer:

this picture on my end its a little blury

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A building company employs 3 labourers 12 joiners 8 electrician 4 plumbers. For a job, the company needs one of each type of wor

Novay_Z [31]

The number of ways that the company can choose four workers is 40920 ways.

<h3>How to calculate the number?</h3>

From the information, the building company employs 3 laborers 12 joiners 8 electrician 4 plumbers. The total number of workers will be:

= 3 + 12 + 8 + 4

= 27 workers

It should be noted that combination will be used to choose the 4 workers. This is illustrated as

Combination formula

ⁿCr = n! / ((n – r)! r!)

n = the number of items.

r = how many items are taken at a time.

where n = 33

r = 4

ⁿCr = n! / ((n – r)! r!)

³³C₄ = 33! / (33 - 4)! 4!

= 33! / 29! 4!

= 33 × 32 × 31 × 30 / 4 × 3 × 2

= 40920 ways

Learn more about combinations on:

brainly.com/question/4658834

#SPJ1

7 0

2 years ago

Jack deposited $47,323.15 in an account earning 5% interest compounded annually.

Vera_Pavlovna [14]

Answer:

Jack's final bank account amount will be $54,782.50, earning $7,459.31 in interest.

General Formulas and Concepts:
Algebra I

Compounded Interest Rate Formula: $\displaystyle A = P \bigg( 1 + \frac{r}{n} \bigg) ^{nt}$

A is final amount
P is principle amount
r is rate
n is compounded rate
t is time

Step-by-step explanation:

Step 1: Define

Identify given variables.

P = $47,323.15

r = 0.05

n = 1

t = 3

Step 2: Find Interest

[Compounded Interest Rate Formula] Substitute in variables:
$\displaystyle A = 47323.15 \bigg( 1 + \frac{0.05}{1} \bigg) ^{1(3)}$
Evaluate:
$\displaystyle A = \boxed{54782.5}$

∴ Jack will gain $7,459.31 and have a net balance of $54,782.50.

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Learn more about Algebra I: brainly.com/question/27710663

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Topic: Algebra I

5 0

2 years ago

as a salesperson, jonathan is paid $50 per week of the total amount he sells. this week, he wants to earn at least $100. write a

erastova [34]

Answer: 1/5

Step-by-step explanation:50%50=1

100%50=0.5

7 0

4 years ago

If two figures are similar what can you determine about measures of corresponding angles and lengths

mario62 [17]

Answer:

Step-by-step explanation:

If 2 figures are similar, then their lengths exist in proprotion to one another and their corresponding angles are congruent.

7 0

3 years ago

The dimensions of a

alekssr [168]

Answer: 12

Step-by-step explanation: you need to look at the paper

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3 years ago