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3 years ago

Write an expression that can be used to multiply 6 x 198

Mathematics

2 answers:

monitta3 years ago

7 0

The answer to this is 2,098

Leno4ka [110]3 years ago

5 0

6(99+99)
is an expression

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After a 75% reduction, you purchase a new DVD player on sale for $136. What was the original price of the DVD player

iogann1982 [59]

Answer:

$544

Step-by-step explanation:

To determine the original price of the DVD player considering that you know that it had a 75% reduction, you can use a rule of three as the price of $136 represents 25% of the original price and with this you can calculate the price that represents 100%:

$136 → 25%

x ← 100%

x=(136*100)/25=$544

According to this, the answer is that the original price of the DVD player was $544.

8 0

3 years ago

Ancy

iris [78.8K]

Answer: 18:6

Step-by-step explanation:

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3 years ago

A plumbers plastic pipe is 4 m long, has an inside diameter of 4.0 cm and an outside diameter of 5.0cm. What is the volume of th

SCORPION-xisa [38]

Answer: $V=0.0028278\ m^3$

Step-by-step explanation:

Given

Length of the pipe $l=4\ m$

Inside diameter of the pipe $d_i=4\ cm$

Outside diameter of the pipe $d_o=5\ cm$

Volume of the pipe

$\Rightarrow V=\dfrac{\pi }{4}[d_o^2-d_i^2]\\\\\text{Insert the values}\\\\\Rightarrow V=\dfrac{\pi}{4}[5^2-4^2]\times 10^{-4}\times 4\\\\\Rightarrow V=28.278\times 10^{-4}\ m^3\\\\\Rightarrow V=0.0028278\ m^3$

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3 years ago

Trig identities how to prove 1- (sin^2x)/(1+cosx)= cosx

balu736 [363]

Both sides aren't equal because 1-sin^2x = cos^2x and cos^2x / 1+cosx can never equal cosx

3 0

3 years ago

Mohsin purchased a 30 ounce bag of dried Turkish figs for $11.40. What is the cost per pound?

valentinak56 [21]

Answer:

$6.08 per pound

Explanation:

30 ounce ⇒ $11.40

conversions:

16 ounce ⇔ 1 pound

1 ounce ⇔ 0.0625 pound

solve:

0.0625(30) pound ⇒ $11.40

1.875 pound ⇒ $11.40

1 pound ⇒ $6.08

8 0

2 years ago

Read 2 more answers