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3 years ago

I WILL MARK YOU THE BRAINLYEST IF YOU HELP ME PLEASE!!!!!

Mathematics

2 answers:

Ganezh [65]3 years ago

7 0

Answer:

it's B

50(-x+2)

LuckyWell [14K]3 years ago

6 0

Answer:

hoesty ill pick c or a ut you risk it for the biscuit

Step-by-step explanation:

Hope this helps leave a heart pls ad if you have questios im here c:

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Find the slope of the line that passes through (9,8) and (6,4)

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Answer:

the slope is 4/3

Step-by-step explanation:

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i think 15.00

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"Conservationists have despaired over destruction of tropical rain forest by logging, clearing, and burning." These words begin

krok68 [10]

Answer:

The answer is "(0.461 , 7.206)"

Step-by-step explanation:

In the given question some information is missing, that is data. so, the correct answer to this question can be defined as follows:

UnLogged:

$x_1=17.500\\s_1=3.529\\n_1=12$

Logged:

$x_2=13.667\\ s_2=4.500\\n_2=9\\$

formula of std error:

$\ std \ error =\sqrt{\frac{s_1^2}{n_1}+\frac{s_2^2}{n_2}}$

$=\sqrt{\frac{3.529^2}{12}+\frac{4.500^2}{9}}\\\\=\sqrt{\frac{3.529^2\times 3+4.500^2\times 4}{36}}\\\\=1.8133$

Point differential estimation = $x_1-x _2$

$= 17.500-13.667\\=3.833$

For 90 percent t= 1.860 Cl & 8 df

error of margin E = $t\times \ std \ error$

$= 1.860 \times 1.8133\\= 3.373$

Lower bound =mean difference -E=0.461

Upper bound = mean difference+ E=7.206

In the above 90% confidence interval were the population mean= (0.461 , 7.206)

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3 years ago

You roll a die 60 times how many times do you expect to roll a factor of 12

Paladinen [302]

Answer:

Just for fun, the probability of rolling a die 60 times and getting no ones is

(600)(5/6)60=0.0018% .

Step-by-step explanation:

This 10 ones is the value with the highest probability of occurring. It has a probability of (6010)(1/6)10∗(5/6)50≈13.7% .

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2 years ago

To go on the class trip, chang needs at least $125. he has saved $45, and he makes $7 an hour at his job. what is the minimum nu

Murljashka [212]

The total amount that Chang will received from his wages is the product of his hourly wage times the number of hours he has worked (n). His total savings should not be less than $125. The equation that best describes the situation is,
45 + 7n ≥ 125
Solving for n in the inequality gives an answer of n≥11.42 hours. Thus, he needs to work for at least 12 hours.

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