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Anna [14]
3 years ago
9

11. Tyler told his friend this riddle: "I am thinking of a number. Three times my number plus twice

Mathematics
2 answers:
guapka [62]3 years ago
8 0

Answer:

3x+2x=20

5x=20

x=4

Tyler's number is 4.

Step-by-step explanation:

Rashid [163]3 years ago
8 0
Let x be the number Tyler is thinking of, 3x + 2 = 20 is the equation Tyler tells his friend.
3x+2=20
3x=20-2=18
X=6
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n a large high school, 37% of the teachers believe that five minutes is not enough time for students to change classes. However,
timurjin [86]

The difference (faculty-student) in the sample proportions of those who believe that five minutes is not enough time for students to change classes typically varies about 0.096 from the true difference in proportions. Option D is correct.

<h3>What is the standard deviation?</h3>

It is a measurement of statistical data dispersion. The degree to which the value varies is known as standard deviation.

The standard deviation of the sampling distribution is found as;

\rm \sigma_F-\sigma_s= \sqrt{\frac{0.37 \times (1-0.37)}{28}+\frac{0.89 \times (1-0.89)}{100}  } \\\\  \sigma_F-\sigma_s=0.096

The difference in the sample proportions of those who think five minutes is not enough time for students to switch classrooms generally differs by roughly 0.096 from the actual difference in proportions.

Hence option D is correct.

To learn more about the standard deviation, refer to: brainly.com/question/16555520.

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6 0
2 years ago
I'LL FRIEND IF YOU ANSWER THIS what is 32(14+17x)/4-12 simplified
meriva

Answer:

136x+100

Step-by-step explanation:

\dfrac{32(14+17x)}{4}-12= \\\\\\8(14+17x)-12= \\\\\\136x+112-12= \\\\\\136x+100

Hope this helps!

3 0
3 years ago
Read 2 more answers
PLEASE HELP
Nookie1986 [14]

For the square with side length n, the diagonal measures:

d = \sqrt{2} *n

<h3>How to get the length of the diagonal?</h3>

The sidelength of the square is n, and we want to get the length of the diagonal d.

Notice that the diagonal is the hypotenuse of a right triangle whose catheti measure n.

Then we can use the Pythagorean theorem, which says that the square of the hypotenuse is equal to the sum of the squares of the cathetus;

d^2 = n^2 + n^2\\\\d^2 = 2n^2\\\\d = \sqrt{2n^2} \\\\d = \sqrt{2}*n

That is the length of the diagonal.

If you want to learn more about right triangles:

brainly.com/question/2217700

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6 0
2 years ago
Which of the following can be divided by 3, with no remainder?
Nuetrik [128]

Answer:

A) 555

Step-by-step explanation:

555/3 = 185

Check and make sure; 185 x 3 = 555

Hope this helps!

-Jerc

6 0
3 years ago
Read 2 more answers
What is the X intercept, Y intercept, equation and slope of (-9,0), (0,3) ​
larisa86 [58]

Answer: x= -9 y= 3

Step-by-step explanation:

7 0
3 years ago
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