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Tanzania [10]
3 years ago
8

Bob's youth group is selling candy bars for a fundraiser. The candy bars cost $2 each. To date, they have raised $700. Their goa

l is to raise more than $3,100.
How many more candy bars, x, do they need to sell to reach their goal? Select the inequality that includes the smallest number of candy bars they can sell and still reach their goal.
Mathematics
2 answers:
Brilliant_brown [7]3 years ago
7 0
Hey need to sell 1200+ more because if they want more than $3100 and they already have $700 they need $2400 and divide that by 2.
sashaice [31]3 years ago
7 0

Answer:

1,200 candy bars

Step-by-step explanation:

First we find how much many they need to raise:

3100 - 700= 2400

Then we take this amount and divide it by the cost of 1 candy bar:

2400 ÷ 2 = 1,200 candy bars {looks like they have a long way to go! ;)}

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Need the answer <br> the question is in the picture
SOVA2 [1]

Answer:

d= -5

Step-by-step explanation:

6 0
2 years ago
A survey was conducted that asked 1003 people how many books they had read in the past year. Results indicated that x overbar eq
Sergio [31]

Answer:

The 99% confidence interval would be given (11.448;14.152).

Step-by-step explanation:

1) Important concepts and notation

A confidence interval for a mean "gives us a range of plausible values for the population mean. If a confidence interval does not include a particular value, we can say that it is not likely that the particular value is the true population mean"

s=16.6 represent the sample deviation

\bar X=12.8 represent the sample mean

n =1003 is the sample size selected

Confidence =99% or 0.99

\alpha=1-0.99=0.01 represent the significance level.

2) Solution to the problem

The confidence interval for the mean would be given by this formula

\bar X \pm z_{\alpha/2} \frac{s}{\sqrt{n}}

We can use a z quantile instead of t since the sample size is large enough.

For the 99% confidence interval the value of \alpha=1-0.99=0.01 and \alpha/2=0.005, with that value we can find the quantile required for the interval in the normal standard distribution.

z_{\alpha/2}=2.58

And replacing into the confidence interval formula we got:

12.8 - 2.58 \frac{16.6}{\sqrt{1003}}=11.448

12.8 + 2.58 \frac{16.6}{\sqrt{1003}} =14.152

And the 99% confidence interval would be given (11.448;14.152).

We are confident that about 11 to 14 are the number of books that the people had read on the last year on average, at 1% of significance.

3 0
3 years ago
What is the answer to -3x-5&lt;-2 and what are the steps to actually finding the answer for it??
Andre45 [30]

Answer:

x > - 1

Step-by-step explanation:

Given

- 3x - 5 < - 2 ( add 5 to both sides )

- 3x < 3

Divide both sides by - 3, reversing the symbol as a result of dividing by a negative quantity

x > - 1

7 0
2 years ago
E + 1 13/16 = 2 5/16
Burka [1]

e + 1 13/16 = 2 5/16

subtract 1 13/16 from each side

e = 2 5/16 - 1 13/16

borrow from the 2

e = 1 16/16 + 5 /16 - 1 13/16

e = 1 21/16-1 13/16

e = 1 8 /16

e = 1 1/2

7 0
3 years ago
Find all solutions of the given system of equations and check your answer graphically. hint [see examples 1-4.] (if there is no
zlopas [31]

x − y = 0 = difference

x + y = 4 = sum


Can be solved by the sum and difference rule (most of the time without pen and paper)

x=(sum+difference)/2=0+4/2=2

y=(sum-difference)/2=(4-0)/2=2

6 0
3 years ago
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