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3 years ago

Someone help me find the Pythagorean Theorem for these please¿?

Mathematics

2 answers:

dezoksy [38]3 years ago

4 0

For number 1, theat is not a right triangle as a squared plus b squared does not equal c squared

My name is Ann [436]3 years ago

3 0

The pythagorean theorem is when you take side A and square it. then you take side b and square it. add side a and side b together and square side c. if side a and b equal side c than it is a right triangle

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Increase 60kg by 12.5%

bazaltina [42]

Answer:

67.2

Step-by-step explanation:

12% of 60

60 · 12 = 720

720 / 100 = 7.20

60 + 7.2 = 67.2 kg

8 0

3 years ago

The Room is 20 feet by 25 feet and the ceiling is eight feet. What is surface area that would need to be painted in order to pai

Tanya [424]

Answer:

I'm assuming you don't want to paint the floor.

1220

Step-by-step explanation:

25 * 8 = 200. Now we multiply that by 2 to get 400. Those are the 2 walls.

The ceiling is 25 * 20 = 500.

20 * 8 = 160. Now we multiply that by 2 to get 320. Those are the 2 walls.

500 + 400 + 320 = 1220

7 0

4 years ago

A sample of 1800 computer chips revealed that 53% of the chips do not fail in the first 1000 hours of their use. The company's p

charle [14.2K]

Answer:

So the value of the test statistic is -0.85.

Step-by-step explanation:

We know that a sample of 1800 computer chips revealed that 53% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 54% of the chips do not fail in the first 1000 hours of their use.

We get that:

$n=1800\\\\p_1=53\%=0.53\\\\p_2=54\%=0.54\\$

We calculate the standar deviation:

$\sigma=\sqrt{\frac{0.53 \cdot (1-0.53)}{n}}=\sqrt{\frac{0.53 \cdot 0.47}{1800}}=0.01176$

We calculate the value of the test statistic:

$z=\frac{p_1-p_2}{\sigma}=\frac{0.53-0.54}{0.01176}=-0.85$

So the value of the test statistic is -0.85.

5 0

4 years ago

Which ordered pairs in the form (x, y) are solutions to the equation

yaroslaw [1]

((-5)+3)(-7) = 14
(-2)(-7) = 14
14 = 14
True
A is a solution.

((-1)+3)(7) = 14
(2)(7) = 14
14 = 14
True
B is a solution.

((10)+3)(-2) = 14
(13)(-2) = 14
-26 = 14
False
C is not a solution.

((11)+3)(1) = 14
(14)(1) = 14
14 = 14
True
D is a solution.

6 0

3 years ago

Whats 913 divide by 29 show your work

Morgarella [4.7K]

913 decided by 29 is 31.4827

4 0

3 years ago