3 years ago

A variable is a placeholder for an unknown value

Mathematics

1 answer:

frosja888 [35]3 years ago

5 0

Answer:

Im going to guess that this is a true or false question so..

True :)

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The bearing of a plane from an airport is 65 degrees. Calculate the bearing of the airport from the plane

olasank [31]

Answer:

245°

Step-by-step explanation:

the bearing is 180° + 65° = 245°

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3 years ago

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Find the area of the trapezoid shown.<br><br> 56 sq. units<br> 56√3 sq. units<br> 112 sq. units

kolbaska11 [484]

Answer: A.56 sq. units

Step-by-step explanation:

A=( a+b)h/2

(12+16)4/2

(28)2

A=56

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3 years ago

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Jesse has 5 and 3/4 dozen eggs. How many eggs does Jesse have?

emmainna [20.7K]

¾ = 75%
so turn 75% into a decimal by dividing by 100 and get .75
then multiply:
.75x12=9
so ¾ of a dozen is 9 eggs
now multiply:
5x12=60 eggs
so now just add 60+9=69
So Jesse has 69 eggs

Hope this helps!! :D

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3 years ago

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Today the price of a new cell phone is $129 in 2000 the price of a similar cell phone was $240 what is the percent of the change

netineya [11]

Answer:

46.25% is the percent of the change in the price of a cell phone from 2000 to today.

Step-by-step explanation:

Cost of a cell phone in the year of 2000. C= $240

Cost of a same cell phone today, C'= $129

The percent of the change in price:

$\frac{C-C'}{C}\times 100$ :

$\frac{\$240-\$129}{\$240}\times 100=46.25\%$

46.25% is the percentage of the change in the price of a cell phone from 2000 to today.

5 0

3 years ago

I need to know 7 and 8

insens350 [35]

7:
5x12=60
8x14=112
60+112=172

8:
12X28=336

hope this helps :)

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3 years ago

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