3 years ago

20 less than 5 times a number is 85. What is the number

Mathematics

1 answer:

AveGali [126]3 years ago

5 0

Answer: I don’t understand the question??

Step-by-step explanation: Can you say the question again like the same way the homework does

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a card is drawn at random from a standard 52 card deck has a 1/13 chance of being at 8. What is the probability of the car not b

Free_Kalibri [48]

Answer:

12/13

Step-by-step explanation:

There are 52 cards in the deck

4 are aces

That leaves 52-4 or 48 that are not aces

P(not an aces) = cards that are not aces / total

= 48/52

=12/13

5 0

3 years ago

Read 2 more answers

An airplane travels 3600 miles to Spain from an airport in New Jersey this trip takes 7.5 hours how far does the plane travel in

Vanyuwa [196]

Answer: The answer is 480

Step-by-step explanation: I got this because i divided 3600 by 7.5 and got 480 so im guessing the plane travels 480 miles in a hour.

8 0

4 years ago

How do you write a improper fraction a mixed number if it's a negative

Nookie1986 [14]

You simply do it the same way as a positive number, just with a negative sign in front :)

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4 years ago

Sin^2x + sin2x +2cox^2x = 2

Effectus [21]

Answer:

Step-by-step explanation:

$sin^2 \ x + sin ^2 \ x + 2cos^ 2\ x = 2\\\\2sin^2 \ x + 2 cos^2 \ x = 2\\\\2 ( sin^2 \ x + cos^2 \ x ) = 2 \\\\2 \times 1 = 2 \\\\2 = 2 \\\\LHS = RHS \\\\Hence \ proved.$

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3 years ago

Add. Express your answer in standard form. (−3+5i)+(6+2i). Enter your answer in the box.

evablogger [386]

You add/subtract complex numbers simply by adding/subtracting real parts and imaginary parts.

So, the real part of this sum is the sum of the real parts:

$-3+6=3$

And the imaginary part of this sum is the sum of the imaginary parts:

$5i+2i=7i$

So, you have

$(-3+5i)+(6+2i) = 3+7i$

7 0

4 years ago