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Lady bird [3.3K]

2 years ago

7

Kirsten and Jose are playing a game. Kirsten places tiles numbered 1 to 50 in a bag. Jose selects a tile at random. If he select

s a prime number or a number greater than 40, then he wins the game. What is the probability that Jose wins on his first turn?

1 answer:

dimulka [17.4K]2 years ago

3 0

hope this helps u dear

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Maya is trying to break or tie the league record for home runs in her softball league. She solved the inequality mc019-1.jpg to

Lelechka [254]

The correct answer would be letter C. She needs to either break or tie the record. The less than or equal to symbol in the original inequality would be her scoring less or tying the record. Using the greater than or equal to sign would represent her breaking the record or tying with it. Hope this helped.

7 0

2 years ago

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Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio

adoni [48]

Answer:

a : b = 4 : 3

Step-by-step explanation:

(mark as brainlist answer)

According to the given condition is the question :

Two numbers a and b are such that the sum of 5% of a and 4% of b is two-third of the sum of 6% of a and 8% of b

⇒ (5% of a) + (4% of b) = (2/3) × [(6% of a) + (8% of b)

⇒ 0.05a + 0.04b = 2/3 × (0.06a + 0.08b)

⇒ 0.15a + 0.12b = 0.12a + 0.16b

⇒ 0.03a = 0.04b

⇒ a/b = 4/3

⇒ a : b = 4 : 3

8 0

2 years ago

What decimal is greater 0.732 or 0.75

BARSIC [14]

0.732
0.750

If you have trouble with decimals, then multiply both numbers by a constant number to get rid of the decimals. In this case, we would multiply by 1000.

0.732 x 1000 = 732
0.750 x 1000 = 750

Obviously, 750 is bigger than 732. Therefore, 0.75 is bigger than 7.32.

By the way, this is a property:
If $a \ \textgreater \ b$ , then $a \cdot c ~\ \textgreater \ ~ b\cdot c$

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2 years ago

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Marna is playing a game where you score −5 points each time youguess the correct answer. The goal is to get the lowest score. To

pishuonlain [190]

She would need to score 16 correct answers, because 80/5 = 16.

8 0

3 years ago

What is normal, when it comes to people's body temperature? a random sample of 130 human body temperatures, provided by allen sh

nikitadnepr [17]

The two-sided alternative hypothesis is appropriate in this case, the reason being we are asked "does the data indicate that the average body temperature for healthy humans is different from 98.6◦........?".
The test statistic is:
$Z= \frac{\bar{X}-\mu}{ \frac{s}{ \sqrt{n} } }} =-5.47$
Using an inverse normal table, and halving $\alpha$ for a two-tailed test, we look up $p=0.5-\alpha/2=0.5-0.005=0.495$ and find the critical value to be Z = 2.5758.
Comparing the test statistic Z = -5.47 with the rejection region Z < -2.5758 and Z > 2.5758. we find the test statistic lies in the rejection region. Therefore the evidence does not indicate that the average body temperature for healthy humans is different from 98.6◦.

7 0

2 years ago