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madam [21]
3 years ago
15

Figure 1 is dilated to get Figure 2.

Mathematics
2 answers:
MrMuchimi3 years ago
4 0
ANSWER\IS: 1.5.
HOPE I AM RIGHT?

Jet001 [13]3 years ago
3 0
The answer is 1 1/2 from figure 1 to figure 2
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Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with μ=10
Tju [1.3M]

Answer: 0.8238

Step-by-step explanation:

Given : Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with \mu=106 and \sigma=15.

Let x denotes the scores on a certain intelligence test for children between ages 13 and 15 years.

Then, the proportion of children aged 13 to 15 years old have scores on this test above 92 will be :-

P(x>92)=1-P(x\leq92)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{92-106}{15})\\\\=1-P(z\leq })\\\\=1-P(z\leq-0.93)=1-(1-P(z\leq0.93))\ \ [\because\ P(Z\leq -z)=1-P(Z\leq z)]\\\\=P(z\leq0.93)=0.8238\ \ [\text{By using z-value table.}]

Hence, the proportion of children aged 13 to 15 years old have scores on this test above 92 = 0.8238

4 0
3 years ago
QUICK
katrin [286]

Answer:

7502.88m^2

here u go hope it helps

7 0
2 years ago
Which inequality is shown in this graph
Katena32 [7]

ANSWER

y \leqslant   - 2x - 2

EXPLANATION

The boundary line passes through (-2,2) and (0,-2).

The slope of this line is

m =  \frac{ - 2 - 2}{0 -  - 2}

m =  \frac{ - 4}{2}  =  - 2

The y-intercept is , c=-2.

The slope-intercept form of this line is given by;

y = mx + c

We substitute values to obtain;

y =  - 2x - 2

Since the lower half-plane is shaded the required inequality is

y \leqslant   - 2x - 2

7 0
3 years ago
It takes 1 1/2 hours to fill 1/2 of a tank how long will it take to fill 2 tanks completely
Likurg_2 [28]

Answer:

15

Step-by-step explanation:

hope this helps

4 0
2 years ago
I dont understand proportions :( someone please help me understand with an example
Lera25 [3.4K]
Oh yes... Wonderful Proportions. There are ways to do proportions but this is how I learned how to do them :     

       PART    %
               =
       WHOLE  100                   That is the formula.  I'm not sure of an example but I hope it helps


3 0
3 years ago
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