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quester [9]
3 years ago
5

Angle PSR measures 99°.

Mathematics
1 answer:
Maru [420]3 years ago
7 0

Answer:

45

Step-by-step explanation:

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Donnell and Maria are both members of a populationand a simple random sample is being conducted. If the chance of Donnell being
harina [27]

Answer:

289/290

Step-by-step explanation:

Given that the chance of Donnell being selected is 1/290

then P( Donnell being selected )= 1/290

Since Donnell and Maria are both member of a population.

from probability theorem which gives the likely hood of an event to happen which cannot be more than 1, then the probability of Donnell and Maria to be selected is 1

P(Donnell and Maria)= 1

But the chance of Donnell being selected is 1/290

Then,

1/290 + P(Maria)= 1

P(Maria)= 1-(1/290)

= 289/290

the chance of Maria being selected is 289/290

4 0
3 years ago
It cost Naomi $7.70 to send 154 text messages how many text messages did she send if she spent $5.25
igomit [66]

Answer:

105 text messages

Step-by-step explanation:

7.70 divied by 154 = 0.05

0.05 per text massage

5.25 divided by 0.05 = 105

to check work:

105 times 0.05 = 5.25

8 0
2 years ago
can someone help me understand this? The length of the rectangle is two more then its width. the perimeter of the rectangle is 7
Tema [17]

Answer:

length = 24 meters

Step-by-step explanation:

1. l = 2w

2. P = 2l + 2w

P=72

3. 72 = 2l + 2w

4. Substitute w=l/2 to solve for l

72 = 2l + 2(l/2) ---> 72 = 3L - Divide by 3 on both sides

L= 24 meters

4 0
3 years ago
The probability that Ashley drives faster than the speed limit (event A) is 0.34, and the probability that he gets a speeding ti
Dovator [93]

Events A and B are dependent.

 

Two events<span> are dependent</span><span> if the outcome or occurrence of the first affects the outcome or occurrence of the second so that the </span>probability<span> is changed.</span>

 

The correct answer between all the choices given is the first choice or letter A. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

4 0
3 years ago
Read 2 more answers
PLEASE HELP! Ann needs to buy plastic forks. Brand A has a box of 25 forks for $2.12. Brand B has a box of 72 forks for $5.09 .
stiv31 [10]

Answer:

To find the price per spoon of brand A, divide the cost by the amount of spoons:

1.99 / 25 = 0.0796

Repeat this process for brand B:

3.89 / 42 = 0.0926

Brand A, at $0.08 a unit, is the better buy of brands A and B.

4 0
2 years ago
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