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Anika [276]
3 years ago
15

there are 50 people in a class out of this number 1/10 speak French only and 4/5 of the remainder speak both French and English

if the rest speak English only find number of students who speak both English and French , only English​
Mathematics
2 answers:
Flura [38]3 years ago
7 0

Answer:

36 students speak both english and french

14 students speak only english

Shtirlitz [24]3 years ago
4 0

Step-by-step explanation:

there are 50 people in a class out of this number 1/10 speak French only and 4/5 of the reminder speak both and English if the rest speak English only find number of students who speak both English and French only

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I need help with this problemmmm.
AlladinOne [14]

Answer:

x = 1 1/6, x = 1.16

There you go! :D

3 0
3 years ago
Read 2 more answers
The volume of a right cylinder is V = πr2h. If we have an oblique cylinder, like in the figure, what is the volume of a cross-se
olchik [2.2K]
Since you did not attach any picture we cannot say for sure what is the correct answer, but we can discuss the options in order to find the most probable correct answer.

First of all, according to the Cavalieri's principle, an oblique cylinder has the same volume as a right cylinder with the same base surface area and same height.
A cross-section of an oblique cylinder will be a small right cylinder with the same base surface area and a height as small as possible.

I guess the oblique cylinder has height h and it is divided into many (probably 10) cross-sections.

Option A: <span>πr2h
This is exactly the volume of the right cylinder, therefore, unless you are given a cross-section of height h (which would be too easy), this won't be the correct answer.

Option B: </span><span>4πr2h
This is 4 times the right cylinder. Again, here the height of the cross-section should</span> be 4h, but it doesn't sound like a possible data (too easy again).

Option C: <span>1 10 πr2h
Here comes a n issue with the notation: I think the right number you meant to write is (1/10)</span>·πr2h and not 110·<span>πr2h.
If I am right, this means that your oblique cylinder of height h is divided into 10 cross-sections, and therefore the volume of each of these cross-sections will be a tenth of the volume of the oblique cylinder, which means </span>1/10·<span>πr2h.

Option D: </span><span>1 2 πr2h
Here, we have the same notation issue as before. I think you meant (1/2)</span>·<span>πr2h.
Here, your oblique cylinder height h should be divided into only 2 cross-sections. Now, we said the cross-section's height should be the smallest as possible, so an oblique cylinder divided only into two pieces doesn't sound good.

Therefore, the most probable correct answer will be C) </span>(1/10)·<span>πr2h</span>
8 0
3 years ago
Read 2 more answers
Steven is x years old. John is 3 years older than Steven. In terms of x, how old will John be in 6 years?
Mumz [18]

Answer:

9

Step-by-step explanation:

6 + 3=9

5 0
3 years ago
How do you find the slope using a graph
kicyunya [14]
The y intercept is seven so you would start by placing a point on (0,7). Then you count Down four points because the slope is a negative number and then count nine points to the right. You would have to keep counting down four points and the right nine points until your line was long enough.
8 0
3 years ago
Read 2 more answers
Scott and Harry went cycling every day. They increased the number of minutes of cycling every week as described below:
djyliett [7]

Answer:

(A)

Step-by-step explanation:

Scott cycled for 10 minutes in first week, 15 minutes in second week,20 minutes in third week and 25 minutes in the fourth week which maintains a consistency in the line as there is consistent slope when drawn on a graph.

On, the other hand, harry cycled for 10 minutes in first week, 20 minutes in second, 40 minutes in third and 80 minutes in fourth week in which there is no consistency in the timings according to the weeks. Therefore, only, scott's method is linear as the number of minutes increased by an equal factor every week.

4 0
3 years ago
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