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hichkok12 [17]
2 years ago
8

HELPP asap I give BRAINLEST asap HELPPP RN J NEED THIS IN 5 minutes

Mathematics
2 answers:
jarptica [38.1K]2 years ago
8 0

Answer:

4:7

scored=12

attempt=21

12:21=4:7

polet [3.4K]2 years ago
7 0

Answer: 12 to 21 = 12/21 = 4/7 = 4:7 = 4 to 7

Step-by-step explanation:

shots made: 12

shots attempted: 21

ratio of made to attempted shots: 12 to 21 = 12/21 = 4/7

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Follow the steps to find the area of the shaded region.
victus00 [196]

The area of the sector, to 4 decimal places, is 78.6794 cm².

We have given that,

Sector Area= ( angle of sector/360). R2

We have to determine the Sector Area

<h3>What is the Area of a Sector of a Circle?</h3>

Area of sector = ∅/360 × πr².

We have given the following:

∅ = 46°

Radius (r) = 14 cm

Area of sector = 46/360 × π(14²)

Area of sector ≈ 78.6794 cm²

The area of the sector is approximately 78.6794 cm².

Learn more about the area of the sector on:

brainly.com/question/8159268

#SPJ1

7 0
2 years ago
The accompanying frequency distribution represents the square footage of a random sample of 500 houses that are owner occupied y
ioda

Answer:

\bar X = \frac{\sum x_i f_i}{n} = \frac{1220750}{500}=2441.5

s^2= \frac{3408029125 -\frac{(1220750)^2}{500}}{500-1} =856849.7

s= \sqrt{856849.7}=925.662

Step-by-step explanation:

For this case we can create the following table

Interval      Frequency (f)    Midpoint(xi)       xi *f      xi^2* f

0-499              9                       249.5            2245.5   560252.3

500-999         13                      749.5            9743.5    7302753

1000-1499      33                     1249.5          41233.5   51521258.25

1500-1999      115                    1749.5          201193.5  361986278.8

2000-2499     125                   2249.5         281187.5   632531281.3

2500-2999      81                    2749.5          222709.5 612339770.3

3000-3499      47                    3249.5         152726.5   496284761.8

3500-3999      45                    3749.5         168727.5    632643761.3

4000-4499      22                    4249.5         93489        397281505.5

4500-4999      10                     4749.5         47495        225577502.5

Total                500                                      1220750      3408029125

\sum f_i = 500 , \sum x_i f_i = 1220750, \sum x^2_i f_i = 3408029125

For this case we can calculate the sample mean with this formula:

\bar X = \frac{\sum x_i f_i}{n} = \frac{1220750}{500}=2441.5

And for the sample variance we can use the following formula:

s^2= \frac{\sum x^2_i f_i - \frac{(\sum x_i f_i)^2}{n}}{n-1}

And if we replace we got:

s^2= \frac{3408029125 -\frac{(1220750)^2}{500}}{500-1} =856849.7

And the deviation is just the square root of the sample variance and for this case is:

s= \sqrt{856849.7}=925.662

4 0
3 years ago
What is the answer ?
statuscvo [17]

Answer:

4

......................

6 0
3 years ago
The experimental probability that Diana will win a game is 3/8. If she plays the game 80 times, approximately how many times sho
castortr0y [4]

Answer:

She should win approximately 30 times.

Step-by-step explanation:

Since the probability of winning is 3/8, we multiply 3/8 with 80 to get 30.

5 0
3 years ago
Sven includes bike riding in his daily exercise plan. On day 1, he rides around the block 2 times. On the following 4 days, he r
ludmilkaskok [199]
For this case we have an equation of the potential type.
 y = A * (b) ^ x
 Where,
 A: initial amount
 b: rate of increase
 x: number of days
 Substituting values we have:
 y = 2 * (2) ^ x
 For day 4 we have:
 y = 2 * (2) ^ 4
 y = 32 times
 Answer:
 
he does ride around the block on day 4 about:
 
y = 32 times
6 0
3 years ago
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