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Nady [450]
3 years ago
9

PLEASE HELP NEED ANSWER ASAP!! 30POINTS!!!!!!

Mathematics
1 answer:
madreJ [45]3 years ago
4 0
1 similar parallelograms
EFGH and WXYZ

set up
2/3 = 6/x

solve for x
2/3 times x = 6
x = 6 divided by 2/3
x =9

2 similar pentagons
JKLMN and VWXTZ
similar shapes have the same angles
60 degrees

2. similar triangles
lance the alien
set up
5/8 = x/32

solve for x by multiplying 32 on both sides

(5/8) times 32 = x
x = 20

4 similar triangles
ADE and ABC

set up
x/2 = 12/(4+2)
x/2 = 12/6
x/2 = 2
x = 4

5 similar triangles
perimeter

two different set ups
first:
30/5 = (YZ)/6
6 = (YZ)/6
36 = YZ

second:
30/5 = (XZ)/10
6 = (XZ)/10
60 = XZ

perimeter
60 + 36 + 30 = 126

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Question 1-3
Vikki [24]

The production graph of the company is a quadratic graph

The true statements about the production graph are:

  • When producing 5,000 sets of headphones per week, the weekly earnings is $0.
  • Producing 2,500 sets of headphones per week will give the maximum amount of weekly earnings.
  • The maximum possible earnings is about $6,250 per week.
  • If production is increased from 1,500 to 2,000 sets of headphones per week, then the weekly earnings will also increase

<h3>How to interpret the model?</h3>

To interpret the model, we simply evaluate the options one after the other

<u>Producing 5000 sets weekly</u>

From the graph, we have:

(x,y) = (5000,0)

This means that a weekly production of 5,000 sets of headphones give an earning of $0.

Hence, this option is true

<u>Increased production from 3000 to 4000</u>

From the graph, the function value decreases when x increases from 3000 to 4000.

This means that this option is false

<u>Producing 2500 sets</u>

The production of 2500 sets give a maximum earning of $6250

This means that options (c) and (d) are true

<u>Increased production from 1500 to 2000</u>

From the graph, the function value increases when x increases from 1500 to 2000.

This means that this option is true

Hence, the true statements are: (a), (c), (d) and (e)

Read more about quadratic graphs at:

brainly.com/question/7988424

3 0
2 years ago
The circumference of a circle is 60 pi cm. What is the length of an arc of 140 degrees
son4ous [18]
<span>circumference = 60*PI cm
If an arc is 140 degrees of the circle then its length =
</span>
<span>60*PI cm * (140 / 360)
arc length = 23.33333 cm

</span>
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How many tenths are in 3ones
Vinil7 [7]

Answer:

30

Step-by-step explanation:

Each one has 10 tenths, so 3 ones have 30 tenths.

You can do this by dividing 3 by 1/10.

3/(1/10) = 3/1 * 10/1 = 30/1 = 30

7 0
3 years ago
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