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Rzqust [24]
2 years ago
14

On three days, Ben throws darts at a target.

Mathematics
1 answer:
Genrish500 [490]2 years ago
4 0

Answer:

0.6 ;

0.7

Reaukt in B will give a better estimate because it has a larger sample size (120) than the result on A ,with sample size (30)

Step-by-step explanation:

Probability of hitting the target using Tuesday's result :

P(hitting the target):

Probability = required outcome / Total possible outcomes

Required outcome = number of hits = 18

Total possible outcomes = number of throws =. 30

Hence, Probability of hitting the target using Tuesday's result : 18 / 30 = 0.6

B.)

Probability of hitting the target using Total result:

Required outcome = number of hits = 84

Total possible outcomes = number of throws =. 120

= 84 / 120

= 0.7

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-3/7, -8/3 and -5/2,-2 slope
Alja [10]
So the points are (-3/7,-8/3) and (-5/2,-2)
to find the slope do
(y2-y1)/(x2-x1)
(x,y)
x1=-3/7
y1=-8/3
x2=-5/2
y2=-2

subsitute
\frac{-2-( \frac{-8}{3} )}{ \frac{-5}{2} - \frac{-3}{7} }
simplify by finding similar denomenators
\frac{\frac{-6}{3}-( \frac{-8}{3} )}{ \frac{-35}{14} - \frac{-6}{14} }
\frac{\frac{-6}{3}( \frac{8}{3} )}{ \frac{-35}{14} + \frac{6}{14} }
add
\frac{\frac{2}{3}}{ \frac{-29}{14}}
multiply top and bottom by \frac{-14}{29
\frac{\frac{-28}{87}}{1}
\frac{-28}{87}
answer is
slope=\frac{-28}{87}


8 0
2 years ago
Nanette has 5 dimes and 5 pennies in her
Blizzard [7]

Answer:

2/9

Step-by-step explanation:

5 dimes and 5 pennies = 10 coins

P( dime) = number of dimes / total

            =5/10 = 1/2

keep the dime

4 dimes and 5 pennies = 9 coins

P( penny) = number of penny / total

                 =4/9

P( dime, keep, penny) = 1/2 * 4/9 = 2/9

3 0
3 years ago
Read 2 more answers
Mr. Garcia needs at least 60 paintbrushes for his art classes. He has 22 paintbrushes already and will buy more paintbrushes of
elena-s [515]

Answer:

60≥22+8x

Step-by-step explanation:

4 0
3 years ago
Open the picture from the other question and do it here​
Alik [6]

k(x) - g(x) + f(x)

(k(x) + f(x))  - g(x)

((2x + 5) + (x - 1)) - ( {6x}^{2}  - 4x +  {3x}^{4}

(2x + 5 +x - 1)  - 6 {x}^{2}   + 4x  -  {3x}^{4}

2x + 5 +x - 1  - 6 {x}^{2}   + 4x  -  {3x}^{4}

( -  {3x}^{4} ) + ( -  {6x}^{2} ) + (2x + x + 4x) + (5 - 1)

-  {3x}^{4} -  {6x}^{2}  + 7x  + 4

4 0
2 years ago
HELP ASAP! WILL MARK BRAINLIEST!! 50 POINTS!!
salantis [7]

Answer:

I can't even read the text

Step-by-step explanation:

;-; so tiny!???

8 0
2 years ago
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