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Sedaia [141]
3 years ago
8

Help Please! Im taking a math exam today!

Mathematics
2 answers:
Sonja [21]3 years ago
3 0

Answer:

12²

Step-by-step explanation:

12 is the base

2 is the exponent

12 squared or 12 times 12 equals 144

MatroZZZ [7]3 years ago
3 0

Answer:

144 can be divided by 12

so 12 *12 =144

therefore 144 can be written as 12^{2}

Step-by-step explanation:

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Brianna received an overall IQ score of 117 on the Wechsler Scale. This means that Brianna has scored approximately____________
Tresset [83]

Using the normal distribution, it is found that the correct option is:

  • D. 1; 100

In a <em>normal distribution</em> with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.

In this problem:

  • The mean on the Wechsler Scale is of 100, hence \mu = 100.
  • The standard deviation is of 17, hence \sigma = 17.
  • Brianna had an score of 117, hence X = 117

Then:

Z = \frac{X - \mu}{\sigma}

Z = \frac{117 - 100}{17}

Z = 1

Hence, the option d is correct.

To learn more about the normal distribution, you can check brainly.com/question/24663213

7 0
3 years ago
I will give thanks and five stars to the person that helps me.
slava [35]

Answer:

last option is the answer

Step-by-step explanation:

x-10<=-13

x<=-3

so

last option is the correct answer.

8 0
3 years ago
Read 2 more answers
Sam is tiling a floor. He will use the same repeating pattern for the entire floor. The rule is "Blue Tile, White Tile, Black Ti
snow_lady [41]

If he uses 85 tiles, 28 tiles will be black

<h3>Sequence and Pattern</h3>

The formation of the tiles of the floor follows an arithmetic sequence or pattern

The pattern is given as:

  • Blue
  • White
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<h3>Formation of the tiles</h3>

Given that the total number of tile used is 85, and the black tile is always in the third position.

The highest number less than or equal to 85 that is divisible by 3 is 84.

Next, we divide 84 by 4

n = \frac{84}{3}

n = 28

Hence, 28 of the tiles will be black

Read more about sequence and patterns at:

brainly.com/question/15590116

8 0
3 years ago
If Logan's family can drive 23 1/8 miles on 1 gallon of gas,how far can they drive on 17 gallons
guapka [62]

\bf \begin{array}{ccll} miles&\stackrel{gas}{gallons}\\ \cline{1-2}\\ 23\frac{1}{8}&1\\\\ x&17 \end{array}\implies \cfrac{23\frac{1}{8}}{x}=\cfrac{1}{17}\implies \cfrac{\frac{23\cdot 8+1}{8}}{x}=\cfrac{1}{17}\implies \cfrac{\frac{185}{8}}{x}=\cfrac{1}{17} \\\\\\ \cfrac{\frac{185}{8}}{\frac{x}{1}}=\cfrac{1}{17}\implies \cfrac{185}{8}\cdot \cfrac{1}{x}=\cfrac{1}{17}\implies \cfrac{185}{8x}=\cfrac{1}{17} \\\\\\ 3145=8x\implies \cfrac{3145}{8}=x\implies 393\frac{1}{8}=x

4 0
3 years ago
Find an equation of the line. Write the equation using function notation. Passes through ​(9, −9​); parallel to 6x +5y=29
Sedaia [141]

The answer is 6x+5y-9=0.

The procedure is above.

7 0
3 years ago
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