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Nonamiya [84]
3 years ago
8

Please help me with these problems if you can :>

Mathematics
2 answers:
IrinaK [193]3 years ago
8 0

Answer:

its not letting me look

Step-by-step explanation:

amid [387]3 years ago
6 0
1. D-Triangle
2. C-Trapezoid
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A box contains red marbles and green marbles. Sampling at random from the box five times with replacement, you have drawn a red
olasank [31]

Answer: The probability of drawing a red marble the sixth time is 1/2

Step-by-step explanation:

Here is the complete question:

A box contains 10 red marbles and 10 green marbles. Sampling at random from the box five times with replacement, you have drawn a red marble all five times. What is the probability of drawing a red marble the sixth time?

Explanation:

Since the sampling at random from the box containing the marbles is with replacement, that is, after picking a marble, it is replaced before picking another one, the probability of picking a red marble is the same for each sampling. Probability, P(A) is given by the ratio of the number of favourable outcome to the total number of favourable outcome.

From the question,

Number of favourable outcome = number of red marbles =10

Total number of favourable outcome = total number of marbles = 10+10= 20

Hence, probability of drawing a red marble P(R) = 10 ÷ 20

P(R) = 1/2

Since the probability of picking a red marble is the same for each sampling, the probability of picking a red marble the sixth time is 1/2

3 0
3 years ago
The average weekly salary of two employees is $5350. One makes $250 more than the other. Find their salaries.
nataly862011 [7]

Answer:

g

Step-by-step explanation:

g

7 0
2 years ago
A car travelled at 50 km/hr for 3 hours How far did the car travel?
jasenka [17]

Answer:

25km

Step-by-step explanation:

50 km = x km

1 hr        3 hrs

From there, you cross-multiply and solve for x.

(50 km)*(3 hrs) = (x km)*(1 hr)

x km = (50)*(3)/(1) = 150km

Now, your other question can be answered the exact same way. 30 minutes is the same as 1/2 of an hour, so just put 0.5hrs in where the 3hrs was in the previous problem. So to show you how it works once more, here are your calculations:

50 km = x km

1 hr        0.5 hrs

(50 km)*(0.5 hrs) = (x km)*(1 hr)

x km = (50)*(0.5)/(1) = 25km

I hope that helps!

6 0
3 years ago
What is the congruence correspondence, if any, that will prove the given triangles congruent?
ladessa [460]

Answer:

C. HL

Step-by-step explanation:

The two triangles shown are right triangles.

The hypotenuse of one is congruent to the hypotenuse of the other. Also, the length of one of the legs of one triangle is congruent to the corresponding leg of the other triangle.

Based on true HL Congruence theorem, both triangles are congruent to each other.

Therefore, the congruence correspondence that will prove both triangles are congruent is: HL

5 0
2 years ago
Show the work please and thanks
GalinKa [24]

Answer:

I don't really know how to show the work for this one but the answer should be 13 because angle CA is 8 too if Angles CA were to be rotated on to the X line BC it would like be almost about the same size as Anglesey are whatever and that what it would be like a few inches or whatever a few inches longer I guess

3 0
3 years ago
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