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polet [3.4K]
3 years ago
8

Subtract −b+3 ​​from −11b−4 ​

Mathematics
2 answers:
Temka [501]3 years ago
7 0
(-11b-4)-(-b+3)
-10b-7
Hope This Helps!
nasty-shy [4]3 years ago
5 0
  -11b - 4
-    -b + 3
---------------
  - 10b - 7

hope this helps :)

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A hose fills a hot tub at a rate of 3.74 gallons per minute. How many hours will it take to fill a 289- gallon hot tub?
Inessa05 [86]
I think it would take about 1 hour and 17 minutes
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3 years ago
Volume of sun is 1.4×10^18 and volume of earth is 1.1×10^12 how many earth can fit in the sun
Advocard [28]
\frac{1.4\cdot10^{18}}{1.1\cdot10^{12}}=
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1272727 \hbox{ Earths}

6 0
3 years ago
An experiment was conducted to test the effect of a new cholesterol medicine. Fifteen people were treated with medicine X and 15
gtnhenbr [62]

Considering the hypothesis tested and the p-value of the test, the correct option is given by:

There is sufficient evidence that there is a difference in mean cholesterol level when using medicine X and medicine Y.

<h3>What are the hypothesis tested?</h3>

At the null hypothesis, it is tested if there is no difference between the cholesterol levels, that is:

H₀:Hₓ-H

At the alternative hypothesis it is tested if there is a difference, hence:

H₀:Hₓ-H≠0

The p-value is of 0.003 < 0.01, hence we reject the null hypothesis and conclude that there has was a difference, hence the correct option is given by:

There is sufficient evidence that there is a difference in mean cholesterol level when using medicine X and medicine Y.

More can be learned about hypothesis tests at brainly.com/question/26454209

#SPJ1

6 0
2 years ago
The stock of Company A gained $1.86 throughout the day and ended at a value of $94.86. By what percentage did the stock rise
Firlakuza [10]

Answer:

tTe answer is 1.96%

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given data

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the closing price = $94.86

Required.

The percent rise.

Step two:

The formula for the percent rise is

=change/close price*100

substitute our given data

= 1.86/94.86*100

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4 0
3 years ago
How many vertical asymptotes exist for this function?
marin [14]
Remember that to find the vertical asymptotes of rational functions, we just need to set the denominator equal to zero and solve for the variable, in this case x, so lets do it:
(x-4)(x+1)=0
x=4,x=-1

As you can see, our rational functions has 2 vertical asymptotes: x=4 and x=-1
5 0
3 years ago
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