3 years ago

What is the length of ST

Mathematics

1 answer:

kupik [55]3 years ago

7 0

The length of ST is 17

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Round to the nearest tenth (TIMED PLEASE help!!!)

vredina [299]

Answer:

$A = 180 - (90 + 72) \\ A= 18° \\ \\ from \: pythogoras \\ a = 3.4 \\ b = 10.5$

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2 years ago

in a standard casino dice game the roller wins on the first roll if he rolls a sum of 7 or 11. what is the probability of winnin

Alborosie

Answer-

The probability of winning on the first roll is 0.22

Solution-

As in the game of casino, two dice are rolled simultaneously.

So the sample space would be,

$|S|=6^2=36$

Let E be the event such that the sum of two numbers are 7, so

E = {(1,6), (2,5), (3,4), (4,3), (5,2), (6,1)}

$|E|=56$

$\therefore P(E)=\dfrac{|E|}{|S|}=\dfrac{6}{36}$

Let F be the event such that the sum of two numbers are 11, so

F = {(6,5), (5,6)}

$|F|=2$

$\therefore P(F)=\dfrac{|F|}{|S|}=\dfrac{2}{36}$

Now,

$P(\text{sum is 7 or 11)}=P(E\ \cup\ F)=P(E)+P(F)=\dfrac{6}{36}+\dfrac{2}{36}=\dfrac{8}{36}=\dfrac{2}{9}=0.22$

8 0

3 years ago

-3(1+6r)+12=14. solve for r

emmasim [6.3K]

Answer: r = -5/18

Step-by-step explanation: You solve -3(1+6r)+12=14

-3-18r+12=14 (When distributed)

-18r+9=14

-18r=5

r=-5/18

6 0

3 years ago

Read 2 more answers

Which are correct representations of the inequality -3(2x - 5) <5(2-x)? Select two options.

antoniya [11.8K]

Answer:

what? I don't get

Step-by-step explanation:

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3 years ago

3. approximate value of log 3 base 7

xxTIMURxx [149]

Answer:

0.56457

Step-by-step explanation:

log 3 with base 7 = (Log 3)/ (Log 7) = 0.47712125 / 0.845098040014

(Log 3) / (Log 7) = 0.56457

3 0

3 years ago