All categories

3 years ago

The box-and-whisker plot below shows the age distribution of people at a family reunion.

Mathematics

1 answer:

Wewaii [24]3 years ago

4 0

Answer: answer is c

Step-by-step explanation: quizlet

You might be interested in

3x+4=-4x-1<br> solve for x

rewona [7]

Answer: x=−5/7

Step 1. Add 4x to both sides of the equation.

3x+4+4x=−4x−1+4x

7x+4=−1

Step 2. Now you subtract 4 from both sides.

7x+4−4=−1−4

7x=−5

Step 3. Then divide both sides by 7.

7x/7=-5/7

Final Answer: x=-5/7

Hope I could help! :)

4 0

3 years ago

You invested $600 in a savings account that earns simple interest. After 20 years the account had earned $720 in interest. What

ANEK [815]

1% interest
Explain: in 20 years interest = $120 120 divided by 20 = 6 so u get $6 each year for $600 so therefore u would get $1 per $100
which equals 1%
hope that helps!

4 0

3 years ago

PLEASE HELP !! ILL GIVE BRAINLIEST !!

kiruha [24]

Answer:the first one opn and qps

Step-by-step explanation:

8 0

3 years ago

A department store, on average, has daily sales of 28,651.79. the standard deviation pf sales is $1000. On Tuesday, the store so

adelina 88 [10]

Answer:

Tuesday's Z-score is 7.56

Step-by-step explanation:

We are given that a department store, on average, has daily sales of 28,651.79 and the standard deviation of sales is $1000.

Also, it is given that on Tuesday, the store sold $36,211.08 worth of goods.

Let X = Daily sales of goods

So, X ~ N( $\mu = 28,651.79, \sigma^{2} =1000^{2}$ )

The z-score probability distribution is given by;

Z = $\frac{X-\mu}{\sigma}$ ~ standard normal N(0,1)

Now, Tuesday,s Z-score is given by;

Z = $\frac{36,211.08-28,651.79}{1000}$ = 7.56

Yes, Tuesday was an unusually good day as on this day more worth of sales takes place as compared to the average daily sales of $28,651.79 .

5 0

4 years ago

Simply<br> (2k-9)^2+(k+2)^2=(2k+1)^2+(k-8)^2

vova2212 [387]

The square of a binomial expands as follows:

$(a+b)^2=a^2+2ab+b^2$

Expanding all the binomials, we have

$4k^2-36k+81+k^2+4k+4=4k^2+4k+1+k^2-16k+64$

Sum like terms:

$5k^2-32k+85=5k^2-12k+65$

Simplify terms appearing on both sides:

$-32k+85=-12k+65$

Move all terms involving k to the left and all numbers to the right:

$-20k=-20$

Divide both sides by -20:

$k=1$

6 0

4 years ago