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Romashka [77]
2 years ago
14

A die was rolled 10 times and 2 appeared 4 times. What is the probability of getting 2?

Mathematics
1 answer:
adell [148]2 years ago
4 0

Answer:

The answer should be

4/10

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uppose you send about 12 text messages a day, and your older sister sends more text messages than you do. Together, you send a t
Kamila [148]
In order to get your answer, take the number of text messages you send each day (12) and subtract it from the number you and your sister send (26). When you get the answer from subtracting both of these numbers, take the answer from your subtraction and add it to the number of text messages that you send a day (12).
5 0
4 years ago
many colleges determine the number of full time students f,by using the formula f=n/15 where n is the total number of credits fo
Cloud [144]
"A student" doesn't register for 46,140 credits, unless he wants to be very very busy.

If ALL of the students on campus register for 46,140 credits, then many colleges
would estimate the number of full-time students by using the formula

f = n / 15 = 46,140 / 15 = <u>3,076</u> students.

That's not the formula for 'n'.  'n' is the total number of credits for the semester,
and the question tells you what 'n' is.  Knowing 'n', the formula helps you find 'f'.
7 0
4 years ago
The length of the rectangle is 2x + 8 cm and the width is 2cm . The area of the rectangle is 12 cm​
Ksju [112]

Answer:

x = - 1

Step-by-step explanation:

Length ( l ) = 2x + 8 cm

Width / Breadth ( b ) = 2 cm

Area ( rectangle ) = 12 cm

Formula : -

Area ( rectangle ) = lb

12 = ( 2x + 8 ) ( 2 )

Divide 2 on both sides,

12 / 2 = ( 2x + 8 ) ( 2 ) / 2

6 = 2x + 8

2x + 8 = 6

2x = 6 - 8

2x = - 2

x = - 2 / 2

x = - 1

5 0
3 years ago
How do you solve this 4x+5xy–2y?
Kitty [74]

The simplified expression of 4x + 5xy - 2y is 4x(1 + y) + y(x - 2)

<h3>How to solve the expression?</h3>

The expression is given as:

4x + 5xy - 2y

The above expression cannot be solved.

However, the expression can be grouped

So, we have:

4x + 5xy - 2y

Rewrite 5xy as 4xy + xy

So, we have:

4x + 5xy - 2y = 4x + 4xy + xy - 2y

Factorize the expression

4x + 5xy - 2y = 4x(1 + y) + y(x - 2)

Hence, the simplified expression of 4x + 5xy - 2y is 4x(1 + y) + y(x - 2)

Read more about expressions at:

brainly.com/question/723406

#SPJ1

4 0
2 years ago
in the science center there were 236 butterflies in the fall and 128 more butterflies in the winter. in the spring ,there were 8
Mashutka [201]
279 butterflies if I’m correct. 236+128=364 and 364-85 is 279.
8 0
3 years ago
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