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3 years ago

Given: △ABC, m∠A=60°, m∠C=45°, AB=9 Find: Perimeter of △ABC, Area of △ABC

Mathematics

1 answer:

docker41 [41]3 years ago

6 0

i hope my handwriting isnt too bad and that this helps!

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A drive has a maximum speed of 10,000 revolutions per minute. If a disc has a diameter of 14 cm, what is the linear speed, in

Anettt [7]

The point 6 cm away from the center travels in a circle of circumference 2π*(6 cm) = 12π cm, so that it covers this distance per revolution, 12π cm/1 rev.

So the disk has a linear speed of

(6000 rev/min) * (12π cm/rev) = 72,000π cm/min

which is equivalent to

(72,000π cm/min) * (1/100,000 km/cm) * (60 min/h)

or approximately 135.7 km/h.

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3 years ago

Which relation is a function?

VikaD [51]

The second one, functions cannot have multiple y values for one x value

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3 years ago

Read 2 more answers

How much larger is a 5/8 inch socket then a 17/32 inch socket

olga55 [171]

It is 3/32 larger because 5/8 - 17/32 =0.09375, if you convert it then it it will be 3/32

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3 years ago

The meal costs $52.95 for 5 people. Jenna ordered a dessert for $2.50. If Jenna deducts this amount from the total, how much wil

lubasha [3.4K]

Answer: $12.61

Step-by-step explanation:

Given : Total cost of meal for 5 people = $52.95

Jenna ordered a dessert for $2.50.

Total cost other 4 need to pay = $ (52.95- 2.50) = $ 50.45

Now , each person will pay $=\$\dfrac{50.45}{4}\approx \$12.61$

Hence, each of the other person need to pay $12.61 .

4 0

3 years ago

Work out, giving your answer in its simplest form: 3 3/4 × 2 4/5

Lady bird [3.3K]

Answer:

⇒ $\frac{21}{2}$

⇒ $10 \frac{1}{2}$

Step-by-step explanation:

3 3/4 = 15/4

2 4/5 = 14/5

⇒ $(\frac{15}{4} *\frac{5}{5} )(\frac{14}{5} *\frac{4}{4} )$

⇒ $\frac{75}{20} *\frac{56}{20}$

⇒ $\frac{4200}{400}$

⇒ $\frac{21}{2}$

⇒ $10 \frac{1}{2}$

4 0

2 years ago