3 years ago

How do i figure this out and get the correct answer?

Mathematics

1 answer:

Monica [59]3 years ago

5 0

The answer is -14 . i think

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True or false: given a sample mean of 2.1 and a sample standard deviation of 0.7 from a sample of 10 data points, a 90% confiden

iris [78.8K]

Your answer is false.

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3 years ago

Answer 10 only please, explain how you got your answer

ira [324]

Question:

The circumference of a clock is 22 inches. What is the radius of the clock?

Answer:

Radius = 3.5 inches

Solution:

Shape of the clock is circle.

Circumference of the circle = 2πr

Circumference of a clock = 22 inches

$\Rightarrow2\pi r=22$

$$\Rightarrow2\times\frac{22}{7}\times r=22$

$$\Rightarrow\frac{44}{7}\times r=22$

$$\Rightarrow r=22\times \frac{7}{44}$

$$\Rightarrow r=\frac{7}{2}$

⇒ r = 3.5 inches

Hence the radius of the clock is 3.5 inches.

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3 years ago

Help me plz thanks my friend

NikAS [45]

Answer:

I believe the answer would be 21.

Step-by-step explanation:

the shadow of the tall flag is three times the small flag, so the height of the flag should also be three times the height. which is 21

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3 years ago

Solve the linear system using multiplication Elimination.<br><br> 4х + Зу = 8<br> X - 2y = 13

motikmotik

X=5, y=-4
(5,-4)
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3 years ago

Someone please explain how this make sense

Andru [333]

Answer:

6x + 12y = 816

Step-by-step explanation:

6 dollars per regular admission

12 dollars per both dance and volleyball

in total 816 dollars

3 0

2 years ago