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m_a_m_a [10]
4 years ago
5

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, <em>earning</em> <u>$7,459.31</u> in <em>interest</em>.

General Formulas and Concepts:
<u>Algebra I</u>

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

  • <em>A</em> is final amount
  • <em>P</em> is principle amount
  • <em>r</em> is rate
  • <em>n</em> is compounded rate
  • <em>t</em> is time

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify given variables</em>.

<em>P</em> = $47,323.15

<em>r</em> = 0.05

<em>n</em> = 1

<em>t</em> = 3

<u>Step 2: Find Interest</u>

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

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

---

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

---

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

5 0
3 years ago
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