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Rina8888 [55]
3 years ago
9

Can you please help thanks

Mathematics
1 answer:
Svetach [21]3 years ago
4 0
I'll answer and write my work out -- I will post a link to the picture. It won't be in a diagram but it will tell you the answer. If you are on mobile you should log onto brainly on a computer so you can copy-paste the link into google
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A basketball has a circumference of 29.5 inches. Using 3.14 what is the basketballs volume to the nearest cubic inch?
arlik [135]
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5 0
3 years ago
Y = 5+5(x-8)<br> Can someone please solve this?
vekshin1

y = 5+5(x-8)

y = 5 + 5x - 40

y = 5x - 35

7 0
3 years ago
At Brighton Middle School, Mr. Yule asked 50 randomly selected students from each grade level about their favorite subject, and
Ugo [173]

Answer:

Yes, he made a reasonable inference by saying about 25 percent of students choose the science.

Step-by-step explanation:

Given that

Number of students for survey = 50

Number of students who choose science = 12

Now

Percentage of student who choose science = \frac{12}{50} x 100

Percentage of student who choose science = \frac{12*100}{50}

Percentage of student who choose science = 24 %

Now as Mr. Yule said "about 25" percent of students choose the science it can be treated as reasonable approximation.

Now if the number of students in survey become 200, then we can expect 12 out of every 50 students would choose the science. So, in total 48 students would choose the science.

Now lets calculate the percentage of students who choose science.

Percentage of student who choose science = \frac{48}{200} x 100

Percentage of student who choose science = \frac{48*100}{200}

Percentage of student who choose science = 24 %



7 0
2 years ago
Read 2 more answers
How to factorise n(2n+1)(n+1)+n(2n+1)? I know the answer is n(2n+1)(n+2) but can someone explain every step fully, thanks:)​
Virty [35]
Here is the answer,hope this help

3 0
2 years ago
Read 2 more answers
Two trains are 400 miles apart, and their speeds differ by 10 mph. They travel toward each other and meet in 4 hours. Find the s
Katen [24]
So.. the two trains, are 400 miles apart, their speeds differ by 10, so one train is faster than the other.. .let's say   train A is faster than train B, by 10mph

so if train A has a speed rate of "r", then B has a rate of "r - 10"

after train A has beeng running for 4hrs, it has travelled a distance "d"

train B has travelled also for 4hrs, they're both 400 miles apart, and travelling towards each other, so the total distance travelled by both is 400miles

so after 4hours B has travelled the slack from 400 and "d", namely 400 - d

recall your d = rt --> distance = rate * time

\bf \begin{array}{lccclll}&#10;&distance&rate&time\\&#10;&-----&-----&-----\\&#10;\textit{Train A}&d&r&4\\&#10;\textit{Train B}&400-d&r-10&4&#10;\end{array}\\\\&#10;-----------------------------\\\\&#10;&#10;\begin{cases}&#10;\boxed{d}=4r\\&#10;400-d=(r-10)4\\&#10;----------\\&#10;400-\boxed{4r}=(r-10)4&#10;\end{cases}

solve for "r", to find the speed of the faster train A

what's the speed of B? well, B's rate is r - 10
4 0
3 years ago
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