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OLga [1]
2 years ago
10

A rock was thrown upward into the air. The height, in meters, of the rock above the ground t seconds after being thrown can be d

etermined by the expression −4.9t2+30t +10. What is the meaning of the 10 in the expression?
Mathematics
1 answer:
leonid [27]2 years ago
5 0

Answedka

Step-by-step explanatio

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An economist believes that interest rates for thirty-year fixed-rate mortgage loans are decreasing. To investigate this further,
Contact [7]

Answer:

The null hypothesis is H_0: p = 0.22

The alternate hypothesis is H_1: p < 0.22

Step-by-step explanation:

To investigate this further, the economist would like to test the claim that the percent of thirty-year fixed-rate mortgage loans that have a 4.75 percent interest rate is less than 22%.

At the null hypothesis, we test that the proportion is of 22%, that is:

H_0: p = 0.22

At the alternate hypothesis, we test that the proportion is less than 22%, that is:

H_1: p < 0.22

7 0
3 years ago
What is 118/13 = 59/z?
gulaghasi [49]
If you're finding the value of z, z would equal 13/2 or 6.5
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7 0
3 years ago
Read 2 more answers
Find the volume of the resulting solid if the region under the curve y = 10/(x2 + 3x + 2) from x = 0 to x = 1 is rotated about t
alexgriva [62]

Answer:

Step-by-step explanation:

Check attachment for solution

5 0
3 years ago
Find the quotient. Do not round. 55.328 ÷ 3.8 =<br> PLZ HELP NOW!!
Igoryamba
55.328 / 3.8 = 14.56
6 0
3 years ago
Please help and please give explanation
Yuki888 [10]

Answer:

cylinder surface area = 201.06in²

surface area of cone = 56.56in.²

Step-by-step explanation:

cylinder surface area formula = 2πrh + 2πr²

refer the pic

cone surface area formula = πr ( r + √h² + r² )

refer the sec pic

surface area of the solid

= ( 201.06 + 56.56 ) in.²

= 257.62in.²

= 258in.²

4 0
2 years ago
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