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tia_tia [17]
2 years ago
14

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

Mathematics
1 answer:
Monica [59]2 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.

4 0
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.

8 0
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

6 0
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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5 0
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
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