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Harman [31]
3 years ago
14

The cafeteria manager took a survey of the third grade students and found that 83 of 127 students said they did not want hot dog

s on Wednesdays. There are 900 students at the school. What is a good prediction of the number of students who do not want hot dogs on Wednesday?
A 288
B 388
C 488
D 588
PLEASE SHOW YOUR WORK

Mathematics
2 answers:
Oliga [24]3 years ago
7 0

Answer:

The correct answer is D. 588 students

Step-by-step explanation:

I did the math, also, I got the answer right on a quize.

- I hope this helps!

Natalka [10]3 years ago
6 0
The answer is 588 students , because you must make proportions.

Shown work below
You're welcome ;)

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Solve for x: 24x + 12 = 16
vfiekz [6]

Answer:

x=1/6 or x=0.1666666667

Step-by-step explanation:

5 0
3 years ago
Can someone help me with this
Alexxandr [17]

Answer:

Line 1: -2

Line 2: 2

Line 3: 2

Line 1 & 2 is parallel.

Line 2 & 3 is neither.

Step-by-step explanation:

To find the slope of a line use the slope formula and substitute the points into it:

Line 1

m = \frac{y_2-y_1}{x_2-x_1} =\frac{2--2}{0-2} =\frac{2+2}{-2} =\frac{4}{-2}=-2

Line 2

m = \frac{y_2-y_1}{x_2-x_1} =\frac{-5--1}{1--1} =\frac{-5+1}{1+1} =\frac{-4}{2}= -2

Line 3

m = \frac{y_2-y_1}{x_2-x_1} =\frac{0--4}{-3--5} =\frac{0+4}{-3+5} =\frac{4}{2}=2

Parallel lines have the same slope and perpendicular lines have negative reciprocal slopes.

Line 1 & 2 is parallel.

Line 2 & 3 is neither.

4 0
3 years ago
Jonathan is purchasing apples from the grocery store. The apples cost $1.29 $1.29 per pound and there is a $0.25 $0.25 charge to
otez555 [7]

cost of apples is based on weight (lbs) so this is the rate, the bag is a flat fee.

y = mx + b  ⇒  Cost = rate(lbs) + bag   ⇒  C = 1.29(a) + 0.25

Answer: #3: c(a) = 1.29a + 0.25

5 0
4 years ago
The average attendance of Everton football club fell by 7% in 1982. If 2030 fewer people went to matches in 1982, how may went i
nataly862011 [7]

Answer: 29000  people went in 1981.

Step-by-step explanation:

Let  x= Attendance in 1981.

Given: The average attendance of Everton football club fell by 7% in 1982.

Difference in attendance from 1981 to 1982 =  0.07x

If 2030 fewer people went to matches in 1982,

0.07 x=2030\\\\\Rightarrow x=\dfrac{2030}{0.07}\\\\\Rightarrow x=29000

Hence, 29000  people went in 1981.

8 0
3 years ago
If your invest $150 at 7% interest compounded annually,in how many years will you have $400?. Give your answer of the nearest te
taurus [48]

Answer:

14.5 years.

Step-by-step explanation:

Given that you invest $150 at 7% interest compounded annually. Now we need to find about in how many years will you have $400. Then round the  answer ot the nearest tenth of a year.

So plug the given values into compound interest formula.

A=P\left(1+r\right)^t

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\frac{400}{150}=\left(1+0.07\right)^t

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\ln\left(\frac{400}{150}\right)=\ln\left(1.07\right)^t

\ln\left(\frac{400}{150}\right)=t\cdot\ln\left(1.07\right)

\frac{\ln\left(\frac{400}{150}\right)}{\ln\left(1.07\right)}=t

14.4967313882=t

Which is approx 14.5 years.

8 0
4 years ago
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