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3 years ago

How Do you draw a trapezoid with no right angles

Mathematics

1 answer:

kow [346]3 years ago

6 0

You have to kind of

_____
/______\

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One morning, the temperature in Urbana, Illinois, was 15° Fahrenheit. By evening, the temperature had dropped 25° Fahrenheit. Wh

Grace [21]

The temperature started at 15 degrees.

It dropped 25 degrees.

Subtract 25 from 15:

15 - 25 = -10

The temperature was -10 degrees.

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3 years ago

True or False? A circle could be circumscribed about the quadrilateral below.

Leya [2.2K]

Answer: b. false

Step-by-step explanation:

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3 years ago

Read 2 more answers

Elsa earns 5140 for working 20 hours

lys-0071 [83]

Answer:

$2.57

Step-by-step explanation:

divide 5,140 by 20,

5,140/20=257=2.57

7 0

2 years ago

Two cards are chosen from a standard deck of 52 playing cards without replacement. What is the probability that the first card i

Rashid [163]

For the first draw, the probability of an ace is ( 4 / 52 ).

Now there are only 51 cards left in the deck.

For the second draw, the probability of a king is ( 4 / 51 ).

The probability of both events is

(4/52) (4/41) = (16/2,652)

Divide top and bottom by 4:

(16/2,652) = 4/663 . That's choice-C .

6 0

3 years ago

A pond has 150 fish and the population decreases by 8% each day. How many days before there are 30 fish

nlexa [21]

Answer:

19 days

Step-by-step explanation:

Given

$a = 150$ --- initial

$r = 8\%$ -- rate

Required

Days when the fish gets to 30

The function is exponential and as such it follows;

$y = ab^x$

Where x represents the number of days and y the number of fishes

Because the fishes decreases;

$b = 1 - r$

So, we have:

$b = 1 - 8\%$

Express as decimal

$b = 1 - 0.08$

$b = 0.92$

In $y = ab^x$

$a =150$

$y = 30$

$b = 0.92$

So, we have:

$30 = 150 * 0.92^x$

Divide both sides by 150

$0.2 = 0.92^x$

Take log of both sides

$log(0.2) = log(0.92^x)$

Apply law of logarithm

$log(0.2) = x\ log(0.92)$

Make x the subject

$x = \frac{log(0.2)}{log(0.92)}$

$x = \frac{-0.6990}{-0.0362}$

$x = 19.309$

$x \approx 19$

Hence, it takes approximately 19 days

3 0

3 years ago