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mestny [16]
3 years ago
15

Can someone help me please I do not know the answer

Mathematics
1 answer:
Afina-wow [57]3 years ago
4 0
You subtract 15.50 from 47.50 
then you will get your answer it is  31
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IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. If a certain statistician has an of 122 ,
marusya05 [52]

Answer:

B. 93%

Step-by-step explanation:

Find the z-score:

z = (x − μ) / σ

z = (122 − 100) / 15

z = 1.47

Find the probability using a calculator or z-score table.

P(Z < 1.47) = 0.93

7 0
3 years ago
In the figure below, the value of x is:<br> who ever show works gets brainlly
blondinia [14]

Answer:

d)  x  = 72°

Step-by-step explanation:

Corresponding Angles:   The pair of angles formed on the same side of traversal which crosses two parallel lines is called a pair of corresponding angles.

These angles are EQUAL to each other.

Now, here in the given figure:

The two below lines are parallel to each other.

Also, the line crossing it on the right side forms a traversal.

So angle x and angle with 72 degrees form a pair of Corresponding Angles.

⇒ x  = 72°

Hence the measure of angle x  = 72°

7 0
3 years ago
:( <br> A=?<br> B=?<br> please help me
Helen [10]

a= 16x+16

b= 40x + 15

Step-by-step explanation:

We know that perimeter of a rectangle is

2(l + b)

So therefore

2(8x + 3 + 5) = a

=  > 16x+ 6 + 10 = a

=  > 16x + 16 = a

Answer= A) that is perimeter is 16x+16

We know that area of a rectangle is l×b

So therefore

(8x + 3) \times 5

= 40x + 15

Answer = b) that is area is 40x + 15

7 0
2 years ago
Select the correct answer,<br> How does the figure verify the triangle inequality theorem?
skelet666 [1.2K]

Step-by-step explanation:

just think it through. it can only be the first option. the sides 7 and 4 are together 11, and they can only meet, when putting them flat on the 11 side. but yes, if you do that, they will meet, as 11 = 11.

the result would be an extreme triangle : appearing just as one, flat line (length 11), the angles being 180°, 0° and 0°.

6 0
2 years ago
-2.5(4w-4)= -6 and check​
r-ruslan [8.4K]

Answer:

y=60

Step-by-step explanation:

3 0
3 years ago
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