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EastWind [94]
3 years ago
5

While walking outside on a field trip 75%,or 15 of the students in the class wore jackets Find the number of students in the ent

ire class.
Mathematics
2 answers:
quester [9]3 years ago
7 0
Well, for the first question, just multiply 67 by .71 and you'll get your answer, 47.57% 

<span>For question 2, just divide 205 by 41, which is 5, and we know that 1/5 in decimal form is .2, and .2 is equivalent to 20% </span>

<span>Question 3, we know that 75% is 3/4 of 100%, so all we have to do is divide 15 by 3 to get 5, then multiply 5 by 4 to get the total students in the class, 20. </span>

<span>For question 4, just divide 24 by 40 to get .6, which we know equals 60%</span>
Kobotan [32]3 years ago
7 0
The answer is 60 because you subtract it
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PLEASE HELP ASAP!!!!!!!!!!!!!!!!!!!!!!
aivan3 [116]

Hello and Good Morning/Afternoon

<u>Let's take this problem step-by-step</u>:

<u>To find the solution to a system of equation</u>

  ⇒ <em>must set</em> the equations equal to each other

     ⇒ and solve

<u>Let's put that into action</u>

  x^2-2x+3 = -2x + 12\\x^2-2x+2x+3-12=0\\x^2-9=0\\(x+3)(x-3)=0

  • At this point, to make the whole thing equal zero

          ⇒ either 'x+3' or 'x-3' equals zero

              ⇒ must find 'x' that satisify either equation

                    x-3=0\\x=3\\\\x+3=0\\x=-3

<u>Let's find the corresponding f(x) to each x-value</u>

  f(3) = -2(3)+12=-6+12 = 6\\\\f(-3) = -2(-3) + 12=6+12=18

<u>Therefore the solutions are (3,6) and (-3,18)</u>

<u />

<u>Answer: (3,6), (-3,18)</u>

<u></u>

Hope that helps!

#LearnwithBrainly    

3 0
2 years ago
How do I solve this?
Tanya [424]
Y=-3x+5 hope this helps
3 0
3 years ago
a graph contains the ordered pair 2 and 4 . Write two different equations that would be possible for this graph . Explain how yo
Gnoma [55]
Y=2x or y=x+2 If you plug in the ordered pairs for both, they fit.
5 0
3 years ago
A cylinder has a diameter of 8 inches and a volume of 1287 cubic inches. What is the height of
fredd [130]

Answer:

25.62

Step-by-step explanation:

the answer is rounded and pi was 3.14 to solve this

8 0
3 years ago
The ratio of boys to girls is 7:12 if there are 76 children how many are girls?
Vikentia [17]
12 girls out of 19, how many out of 76

12 - x
19 - 76

Cross product:

19x= 1152
/19. /19
x= ~61

There are (around) 61 girls
3 0
3 years ago
Read 2 more answers
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