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Furkat [3]
3 years ago
8

Please help its due in a hour

Mathematics
1 answer:
DiKsa [7]3 years ago
5 0
The side lengths of a triangle are 5,8 and 12 is this a right triangle?
A. no, because 5 + 8 ≠ 12.
B. yes, because 5² + 8² = 12².
C. no, because 5²+ 8² ≠ 12².
D. yes, because 5² + 8² < 12²
Step-by-step explanation:
Pythagoras theorem states c^2=a^2 + b^2
5^2=25
8^2=64
25+64=89
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IQ scores based on the​ Stanford-Binet IQ test are normally distributed with a mean of 100 and standard deviation 15. If you wer
lianna [129]

Answer:

95 intervals

Step-by-step explanation:

Given that

population mean = 100

standard deviation = 15

number of interval that involve the mean for 95% confidence interval is calculated as

We know that when we measure the 99 percent confidence interval, 99 outof 100 confidence interval are required to provide the mean population.

similarly

Assuming we measure a confidence interval of 95 percent, then we  should expect 95 out of 100 confidence interval to provide the mean population therefore, answer is 95

7 0
3 years ago
30 points please answer honestly. Geometry help needed. <br> D is 9.32
Vadim26 [7]

Answer:

7.75 m

Step-by-step explanation:

First find the circumference. Use the formula C = 2πr

C = 2(3.14)(3)

C = 18.84

148° is a fraction of the entire circle which is 360°

Multiply

18.84/1 x 148/360

2788.32/360

7.745

4 0
3 years ago
Which is the solution to the inequality?
n200080 [17]

y < –12

Solution:

Step 1: Given inequality is y + 15 < 3.

To find the solution to the inequality.

Step 2: Subtract –15 on both sides to equal the expression.

⇒ y + 15 –15 < 3 –15

Step 2: Using addition identity property, any number adding with zero gives the number itself.

⇒ y + 0 < –12

⇒ y < –12

Hence the solution to the inequality is y < –12.

4 0
3 years ago
Read 2 more answers
Given: p: 7x+1=8 q: 3x+4=7 p-&gt;q write the inverse in if-then form
Lady_Fox [76]
X= 1 .........................

3 0
3 years ago
HELP ME PLEASE!!!!!!!
MakcuM [25]

Given:

The graph of a line.

To find:

The equation of line and values of m and b. Check whether it is proportional or linear.

Solution:

From the given graph it is clear that, the line passes through (0,4) and (2,0). So, the equation of line is

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

y-4=\dfrac{0-4}{2-0}(x-0)

y-4=\dfrac{-4}{2}(x)

y-4=-2x

Adding 4 on both sides, we get

y=-2x+4

On comparing this equation with slope intercept form, i.e., y=mx+b, we get

m=-2\text{ and }b=4

All lines are linear. If a line passes through the origin then it is proportional.

From the given graph it is clear that the line is not passing through the origin, i.e., (0,0). So, it is linear not proportional.

Therefore, the value of m is -2 and the value of b is 4. The equation of line is y=-2x+4.  The line linear not proportional because it does not passing through the origin.

4 0
2 years ago
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