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Roman55 [17]
4 years ago
8

Having done poorly on their math final exams in​ June, six students repeat the course in summer​ school, then take another exam

in August. If we consider these students representative of all students who might attend this summer school in other​ years. Do these results provide evidence that the program is worthwhile?
June 54, 49, 68, 66, 62, 62

August 50, 65, 74, 64, 68, 72

Required:
Evaluate on a TI 83 calculator
Mathematics
1 answer:
pochemuha4 years ago
6 0

Answer:

Yo yo

Step-by-step explanation:

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Express 3500 in scientific notation that indicates it has two significant digits
arsen [322]

Hey there!

“3500 in scientific notion”

In order for you to find out your answer you have to move your decimal THREE places to your left. If you solve this, you should’ve gotten: 3.500

The “00” in the result we received is invisible so we don’t have to worry about right now in the equation to solve for your answer

Solve what you have ⬆️ ..

Answer: 3.5 × 10³

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

6 0
3 years ago
Question 8 Find the unit vector in the direction of (2,-3). Write your answer in component form. Do not approximate any numbers
slamgirl [31]

Answer:

The unit vector in component form is \hat{u} = \left(\frac{2}{\sqrt{13} },-\frac{3}{\sqrt{13}}  \right) or \hat{u} = \frac{2}{\sqrt{13}}\,i-\frac{3}{13}\,j.

Step-by-step explanation:

Let be \vec u = (2,-3), its unit vector is determined by following expression:

\hat {u} = \frac{\vec u}{\|\vec u \|}

Where \|\vec u \| is the norm of \vec u, which is found by Pythagorean Theorem:

\|\vec u\|=\sqrt{2^{2}+(-3)^{2}}

\|\vec u\| = \sqrt{13}

Then, the unit vector is:

\hat{u} = \frac{1}{\sqrt{13}} \cdot (2,-3)

\hat{u} = \left(\frac{2}{\sqrt{13} },-\frac{3}{\sqrt{13}}  \right)

The unit vector in component form is \hat{u} = \left(\frac{2}{\sqrt{13} },-\frac{3}{\sqrt{13}}  \right) or \hat{u} = \frac{2}{\sqrt{13}}\,i-\frac{3}{13}\,j.

6 0
3 years ago
Twelve less than 3 times a number is less than 27
Maslowich
The number is 5. 27-12=15/3=5 is how you get the answer.
5 0
4 years ago
Riley finished her 5k race in One-half hour. Darby finished the same race in Three-fifths hour. Which statement explains which g
Andrej [43]

Answer:

Riley did better than Darby because One-half < Three-fifths.

Step-by-step explanation:

The statement that explains which girl did better would be that

Riley did better than Darby because One-half < Three-fifths.

There are a total of 60 minutes in an hour, If we multiply each of these fractions by 60 minutes it would give us the exact number of minutes that each girl took to finish the race.

Riley: \frac{1}{2} * 60 = 30 minutes

Darby: \frac{3}{5} * 60 = 36 minutes

Therefore, we can see that it took Riley 6 minutes less than Darby to finish the race meaning that she had the better result.

3 0
3 years ago
Read 2 more answers
What is the domain function ((1,1), {0,0}, (2,-1))
Gre4nikov [31]
The domain is the x values

( 0,1,2)
5 0
4 years ago
Read 2 more answers
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