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3 years ago

An undefined term can alwayssometimesnever be used in a theorem.

Mathematics

1 answer:

Wittaler [7]3 years ago

6 0

The answer is sometimes. Hope that helped!

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What is r in this equation? πr^2=42π

kupik [55]

R in this equation refers to the radius

${\pi r}^{2} = 42\pi \\ {r}^{2} = \frac{42\pi}{\pi} \\ r = \sqrt{42 } \\ r = 6.480740698$

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3 years ago

The sides of the parallelogram are 63cm and 76cm. if they intersect at an angle of 63 degrees, find the area of the parallelogra

S_A_V [24]

Area = ab Sin O
= (63)(76) Sin 63 degrees
= 4266 square cm.

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3 years ago

True or False

matrenka [14]

Answer:

for saken it is better to use ordinary calculator than cp because they have a big difference. That's all I can say

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2 years ago

A new television set was recently purchased for the common room in a residence hall for $436.80 including tax the tax rate is 4%

garri49 [273]

Answer:

The price of the television before taxes is $420

Step-by-step explanation:

* Lets explain how to solve the problem

- The purchased price = cost price + taxes

- A new television set was recently purchased for the common room

in a residence hall for $436.80

- This price including tax

- The tax rate is 4%

- We need to find the price of the television before taxes

* Lets solve the problem

- Assume that the price of the television before tax is 100%

∵ The tax rate is 4%

∵ The price after tax = price before tax + tax

∵ The price before tax = 100%

∴ The price after tax = 100% + 4% = 104%

∵ 104% equivalent to $436.80

∴ 100 ⇒ ?

104 ⇒ 436.80

- By using cross multiplication

∴ ? = $\frac{(436.80)(100)}{104}=420$

∴ The price of the television before taxes is $420

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3 years ago

Pls show work thank you!!!

Nastasia [14]

$|-16-x|=0\\\\\implies -16-x = 0\\\\\implies x = -16$

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2 years ago