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2 years ago

Hello there

Mathematics

2 answers:

den301095 [7]2 years ago

7 0

Answer:

4: 20 cm3

Step-by-step explanation:

6 x 4 = 24

24 x 10 = 240

it is cubic since it is volume

Naddik [55]2 years ago

3 0

Answer: 6

Step-by-step explanation:

4 x 6 = 24

24 x 10 = 240

So the total volume is 240, but without the units it could mean anything. 240 inches or cows, so we have to add cm, but this number could also mean any measurement of centimeters, length, area, perimeter, so we add the 3 to get

240cm3

the 3 is the symbol for cubed, meaning it's measuring the volume of a three dimensional area.

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On Decemeber 18th, there is a 75% chance that Santa will come to the mall that day and a 55% chance that your best friend will b

goblinko [34]

Answer:

The probability that Santa will come to the mall OR your best friend will be there is 47.4%

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Probability that Santa will come to the mall on December 18th = 75%

Probability that your best friend will be at the mall on December 18th = 55%

Probability that Santa will come to the mall on December 18th AND your best friend will be there = 75% * 55% = 41.3% not just 40%

2. What is the probability that Santa will come to the mall OR your best friend will be there?

For answering this question, we should calculate first the probability that Santa will not come to the mall on December 18th AND your best friend will not be there, this way:

Probability that Santa will not come to the mall on December 18th AND your best friend will not be there = 25% * 45% = 11.3%

Now, we know that the probability that Santa will come to the mall on December 18th AND your best friend will be there is 41.3% and the probability that Santa will not come to the mall on December 18th AND your best friend will not be there is 11.3%.

Therefore, the probability that Santa will come to the mall OR your best friend will be there is:

100% - 41.3% - 11.3% = 100% - 52.6% = 47.4%

The probability that Santa will come to the mall OR your best friend will be there is 47.4%

5 0

2 years ago

PLZ HELP 100 PTS!!!!!!!!!!!!!!!!!

erma4kov [3.2K]

Answer:

x = 12

Step-by-step explanation:

The mistake made here is in making 130 = 9x + 7. They are not the same.

The central angle = 130 degrees.

Any angle sharing the endpoints of the central angle and having it's vertex on the same side of the central angle is 1/2 the central angle.

1/2 the central angle = 130 /2 = 65

Cyclic quadrilaterals (those with all 4 points touching a circle's circumference) have opposite angles supplementary.

65 + 9x + 7 = 180 Combine like terms on the left

72 + 9x = 180 Subtract 72 from both sides

72 - 72 + 9x = 180-72 Combine

9x = 108 Divide by 9

9x/9 = 108/9

x = 12

8 0

2 years ago

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What's the range of 7,5,7,8,6

DanielleElmas [232]

Answer:

Step-by-step explanation:

Define the range of a list of numbers.

I'm not %100 percent certain because I learned that a long time ago.

8 0

3 years ago

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Write (8,3)m=-7 in point slope and slope intercept form

Lerok [7]

Answer:

The slope intercept form is y=-7x+59

Step-by-step explanation:

y-y=m(x-x1)

y-3=-7(x-8)

y-3=-7x+56

+3 +3

y=-7x+59

8 0

2 years ago

Twice a number added to their half of itself equals 20 find the number

Sonbull [250]

Answer:

$x(2) + 5\\$

The number is 8 because $8 * 2 = 16$

And if you add 4, you get 20

Hence, the number is 8

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2 years ago

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