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valentina_108 [34]
3 years ago
9

Can anyone PLEASE help me with this!?

Mathematics
1 answer:
Lorico [155]3 years ago
6 0
The answer I got was A f(-4)=x
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a section of ground measures 1.5 cubic meters and contains 0.78 gram of gold. what is the amount of gold per cubic meter? explai
I am Lyosha [343]
The answer

<span>the amount of gold per cubic meter can be found by the ratio

0.78 g  /1 </span><span>.5 cubic meters = 0.52 g / cubic meter,  
proof 
it was said </span><span>the amount of gold per cubic meter (Density)</span>
7 0
3 years ago
In which quadrant does θ lie if the following statements are true: cos⁡θ&gt;0 and sin⁡θ&gt;0
Papessa [141]

Answer:

First quadrant

Step-by-step explanation:

cosθ > 0 in first/ fourth quadrants

sinθ > 0 in the first/ second quadrants

sinθ and cosθ are both > 0 in the first quadrant

Then θ lies in the first quadrant

6 0
2 years ago
The u.s. department of health and human services collected sample data for 772 males between the ages of 18 and 24. that sample
soldier1979 [14.2K]
The 99% confidence interval for the true mean is given by:

\bar{x}\pm z_{\alpha/2} \frac{\sigma}{\sqrt{n}}

where: 

\bar{x} is the sample mean = 69.7
\sigma is the standard deviation = 2.8
z_{\alpha/2} is the test statistics = 2.58 for for 99% confidentce interval.
n is the sample size = 772.

Therefore, the 99% confidence interval is:

69.7\pm2.58\left( \frac{2.8}{\sqrt{772}} \right)=69.7\pm2.58(0.1008) \\  \\ =69.7-0.26\leq\mu\leq69.7+0.26 \\  \\ =69.44\leq\mu\leq69.96
6 0
2 years ago
Read 2 more answers
Can someone plzzzz help me with these questiosn
Vanyuwa [196]
No.2 is B because they are on a line together so they are aligned/corresponding angles and are equal 
4 0
3 years ago
This table represents a proportional relationship. Use the table to identify the constant of proportionality between the ratio o
VARVARA [1.3K]

Answer:

It would be 12...

Step-by-step explanation:

6 0
3 years ago
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