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Dahasolnce [82]
2 years ago
9

Jake drove to California at a rate of 60 mph. If he stopped for gas 45 minutes into the trip, how far did he drive up to that po

int?
Mathematics
1 answer:
Arada [10]2 years ago
8 0
Jake drove 45 miles
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Hey! I'v been struggling with this question lately. Can someone just lend me a hand?
Dominik [7]
So, this problem is asking us to find the value of our variable u. 

How can you do this? By isolating the variable, or having only it on one side of the equals sign. 

Here's the step by step approach. It's just simple algebra and reverse order of operation (which is what you should do whenever you are solving for a variable).

\frac{u+88}{11} = 17

Multiply both sides by 11 to get rid of the 11 denominator.
u + 88 = 187

Then, subtract both sides by 88 to get u by itself.
u = 99

Therefore, u is equal to 99. 

6 0
3 years ago
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Free brainless answer pleaseeee and morw
sergejj [24]
1. alternate interior angles, x= -10
2. corresponding angles, x= 30
7 0
3 years ago
Why would "-7" in the expression (x^2+3)-(x-7) become positive?
ryzh [129]
You would use the distributive property with the negative. So the second x becomes negative, but since the 7 is already negative it becomes positive. Think of it as if you put the two dashes together you can make a plus sign.
5 0
3 years ago
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A multiple choice test has four possible answers for each question. Let X be the number of correct responses in a test of 100 qu
dimulka [17.4K]

Answer:

a. 4.33.

Step-by-step explanation:

If there is only one correct answer out of four alternatives, the expected proportion of correct answers is p =0.25

Sample size (n) = 100 questions

The standard deviation of a proportion 'p' is given by:

s=\sqrt{\frac{p*(1-p)}{n} }

Applying the given data:

s=\sqrt{\frac{0.25*(1-0.25)}{100}}\\s=0.0433

If X is the number of correct responses in 100 guesses, the standard deviation of X is:

\sigma = n*s=100*0.0433\\\sigma = 4.33

The standard deviation of X is 4.33 questions.

7 0
2 years ago
Find the value of 17/ tan ( 40) rounded to the nearest tenth.​
nekit [7.7K]

Answer:

20.30

Step-by-step explanation:

= 17 \div  \tan(40)  \\  = 17 \div 0.8391 \\  = 20.26

To the nearest tenth =20.30

<h2><em>OladipoSeun</em></h2>
6 0
2 years ago
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