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Marianna [84]
2 years ago
10

Help please just this I will mark someone's answer the brainliest if they answer correctly.

Mathematics
1 answer:
Burka [1]2 years ago
5 0

Answer:

a. f = 3.50 + 0.15d

b. please see the analysis

Explanation and graph given in the picture

I hope it helps.

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Use the distributive property to generate an equivalent expression for<br> 2(10x-3)
mr Goodwill [35]

Answer:

20x - 6

Step-by-step explanation:

You just multiply 2 by 10x and by -3

5 0
2 years ago
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What value is equivalent to 52 + 53 − 54? A) -475 B) -350 C) -125 D) 5
Dafna1 [17]

None of these answer choices are correct. The answer would be 51. 52+53=105

105-54=51

7 0
3 years ago
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Thirty-two percent of all Americans drink bottled water more than once a week (Natural resources Defense Council, December 4, 20
Tcecarenko [31]

Answer:

thanks for the FREEEE BEEEES

Step-by-step explanation:

6 0
3 years ago
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The proportion of U.S. births that result in a birth defect is approximately 1/33 according to the Centers for Disease Control a
Dafna11 [192]

Answer:

Probability that at least 490 do not result in birth defects = 0.1076

Step-by-step explanation:

Given - The proportion of U.S. births that result in a birth defect is approximately 1/33 according to the Centers for Disease Control and Prevention (CDC). A local hospital randomly selects five births and lets the random variable X count the number not resulting in a defect. Assume the births are independent.

To find - If 500 births were observed rather than only 5, what is the approximate probability that at least 490 do not result in birth defects

Proof -

Given that,

P(birth that result in a birth defect) = 1/33

P(birth that not result in a birth defect) = 1 - 1/33 = 32/33

Now,

Given that, n = 500

X = Number of birth that does not result in birth defects

Now,

P(X ≥ 490) = \sum\limits^{500}_{x=490} {^{500} C_{x} } (\frac{32}{33} )^{x} (\frac{1}{33} )^{500-x}

                 = {^{500} C_{490} } (\frac{32}{33} )^{490} (\frac{1}{33} )^{500-490}  + .......+ {^{500} C_{500} } (\frac{32}{33} )^{500} (\frac{1}{33} )^{500-500}

                = 0.04541 + ......+0.0000002079

                = 0.1076

⇒Probability that at least 490 do not result in birth defects = 0.1076

4 0
2 years ago
A candle burns down at the rate of 0.5 inches per hour. The original height of the candle was 9 inches.
Oksanka [162]
The ordered pairs would be,

(1, 8.5)
(2, 8)
(3, 7.5)
(4,7)
(5, 6.5)
(6, 6)

I got the ordered pairs from the question since it stated that the length of the candle decreased .5 every hour. I just corresponded the hour to the length of the candle.

I hope this helped!

Brainliest answer is always appreciated!
3 0
3 years ago
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