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Furkat [3]
3 years ago
15

Students at a local elementary school were shown a painting and asked which emotion—joy, happiness, love, or anger—they felt by

looking at the painting. The students were classified by their age. The following table summarizes the responses of the students by age-group. One student from the school will be selected at random. What is the probability that the student is in the age-
group of 6 to 8 years given that the selected student responded joy?
Mathematics
1 answer:
Ilya [14]3 years ago
8 0

Answer:

28/89

Step-by-step explanation:

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Mike hiked to a lake in 6.5 hours at an average rate of 3 2/5 miles per hour. Pedro hiked the same distance at a rate of 3 4/5 m
balandron [24]
We first need to find the distance.
The information about Mike will provide the distance we need to answer the question about Pedro.

We will use D = rt

Mike:

(6.5)((17/5) = D

22.1 miles = D

Pedro:

D = rt

22.1 = (19/5)t

We need to find t.

22.1 ÷ 3.8 = t

5.8157894737 = t

We now round off as instructed.

5.82 = t

It took Pedro 5.82 hours to reach the lake.
5 0
3 years ago
Read 2 more answers
Whats this shape help I'm struggling
saul85 [17]

Answer: It is a rectangle.

Step-by-step explanation: 2 rectangles of different sizes are being in top of each other.

5 0
3 years ago
Now suppose that the manufacturer decides to accept the shipment if there is at most one defective part in the sample. How large
Mashcka [7]

Answer:

hello your question is incomplete below is the missing parts of the question

answer : K = 80

Step-by-step explanation:

P [ x ≤ 1 ]  < 0.1

determine how large k have to be

note : n = k

sample proportion = 0.01

E = 0.05 - 0.01 = 0.04

applying this formula below

E = Z_{c} \sqrt{\frac{pq}{n} }  

0.04 = 1.645 \sqrt{\frac{0.05*0.95}{n} }    make n subject of the equation

n = 80.3353

hence  the value of K ≈ 80

4 0
3 years ago
Lis has 20 stickers jen has 4 times as many stickers as lis. how many stickers does jen have?
erik [133]
Solution: 20 x 4 = 80

Answer: Jen has 80 stickers.

I hope it helps! :)
8 0
4 years ago
Find the amount at 6% simple interest of rs 1200 due in 9 month
ANTONII [103]

STEP 1: Convert interest rate of 2% per 6 months into rate per year.

rate per year = rate per 6 month⋅2=2%⋅2=4%

STEP 2: Convert 9 months into years.

 9 months =

9

12

 years=0.75 years

STEP 3: Find principal by using the formula

I=P⋅i⋅t

, where I is interest, P is total principal, i is rate of interest per year, and t is total time in years.

In this example I = $15, i = 4% and t = 0.75 years, so

I

P

P

P

=P⋅i⋅t

=

I

i⋅t

=

15

0.04⋅0.75

=500

5 0
3 years ago
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