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3 years ago

Please HELP ASAPAPPPP!!?!!??

Mathematics

1 answer:

NISA [10]3 years ago

7 0

Answer:

36 - 18 longest side = 18

Step-by-step explanation: This would mean both sides are 18.

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What is the value of x?

Alexandra [31]

Answer:

The value of x=27

Step-by-step explanation:

8 0

2 years ago

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PLEASE HELP IM CRYING RN PLEASE ANSWER CORRECTLY AND YOU WILL GET BRAINLIEST AND 100 POINTS

Vlad [161]

Answer: B (x,y) --> (x + 4, y - 2)

Step-by-step explanation: When you add -5+4=-1, and when you subtract 2 from 4 it equals to 2, which gives you the second coordinates, this means that x+4 and y-2 is the answer.

8 0

3 years ago

Can someone solve this

Leto [7]

Answer:

76 inches

Step-by-step explanation:

20 + 18 = 38

38 x 2 = 76

3 0

3 years ago

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Find the circumference and area of the circle having a given diameter of d = 13 cm

expeople1 [14]

Circumference of circle = pi*diameter = 13pi cm

Area is pi*d^2/4 = pi*13^2/4 = 42.25pi cm^2.

5 0

3 years ago

A meteorologist is studying the speed at which thunderstorms travel. A sample of 10 storms are observed. The mean of the sample

dezoksy [38]

Answer:

The 95% confidence interval for the true mean speed of thunderstorms is [10.712, 13.688].

Step-by-step explanation:

Given information:

Sample size = 10

Sample mean = 12.2 mph

Standard deviation = 2.4

Confidence interval = 95%

At confidence interval 95% then z-score is 1.96.

The 95% confidence interval for the true mean speed of thunderstorms is

$CI=\overline{x}\pm z*\frac{s}{\sqrt{n}}$

Where, $\overline{x}$ is sample mean, z* is z score at 95% confidence interval, s is standard deviation of sample and n is sample size.

$CI=12.2\pm 1.96\frac{2.4}{\sqrt{10}}$

$CI=12.2\pm 1.487535$

$CI=12.2\pm 1.488$

$CI=[12.2-1.488, 12.2+1.488]$

$CI=[10.712, 13.688]$

Therefore the 95% confidence interval for the true mean speed of thunderstorms is [10.712, 13.688].

4 0

3 years ago