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Dmitry_Shevchenko [17]
3 years ago
15

A researcher at a large company has collected data on both the beginning salary and the current salary of 48 randomly selected e

mployees. The least‑squares regression equation for predicting their current salary from their beginning salary is ^ y = − 2532.7 + 2.12 x y^=−2532.7+2.12x . Kathy Jones started working for the company earning $19,000. She currently earns $40,000. What is the residual for Ms. Jones?
Mathematics
1 answer:
Stolb23 [73]3 years ago
3 0

Answer:

dgrfgfgrfsdfsg

Step-by-step explanation:

aeswrfehghfdgsgbgdfhtgrtfdgf

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Write a slope intercept equation for a line passing through the point (4,-2) that is parallel to the line 4x+5y=7. Then write a
LuckyWell [14K]

First, the equation needs to be put into slope-intercept form, which is y = -4/5x + 7/5. Then, you need to know what parallel and perpendicular lines are. REMEBER, parallel lines have the same slope, and perpendicular lines have slopes whose product equal -1. You just need to substitute. For the parallel line, -2 = -4/5(4) + b, and b = 6/5, so y = -4/5x + 6/5. For the perpendicular line, the slope is 5/4. Now substitute. -2 = 5/4(4) + b, and b = -7, so y = 5/4x -7.

3 0
4 years ago
36​% of adults say cashews are their favorite kind of nut. you randomly select 12 adults and ask each to name his or her favorit
bagirrra123 [75]
Its 36% of 12
36/100×12= 4.32
so it atleast four, which is b.
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6 0
3 years ago
Read 2 more answers
Terry invested money in a biotech stock whose growth is modeled by the function f(x) = 0.01(2)x, where x represents number of da
strojnjashka [21]

Answer:

The average rate of change is 1.275

Step-by-step explanation:

The average rate of change of f(x) from x=a to x=b is given by:

\frac{f(b)-f(a)}{b-a}

The money Terry invested is modeled by the function f(x)=0.01(2)^x where x represents number of days.

The average rate of change from day 2 to day 10 is given by:

\frac{f(10)-f(2)}{10-2}

f(10)=0.01(2)^{10}=10.24

f(2)=0.01(2)^{2}=0.04

The average rate of change becomes:

\frac{10.24-0.04}{8}

=\frac{10.2}{8}=1.275

3 0
3 years ago
Read 2 more answers
Use dimensional analysis to convert 9 milliliters to fluid ounces. Use 1 mL ≈ 0.034 fl oz.
aleksandrvk [35]

Answer:

0.306 fl oz.

Step-by-step explanation:

9 mL * (0.034 fl oz / 1 mL) = 0.306 fl oz [the millilitres canceled out].

Hope this helps!

4 0
3 years ago
Solve<br><br> Please help don’t understand
tigry1 [53]

Answer:x=30*

Step-by-step explanation:

90*+30*=120*

*All triangles’ angles = 180*

180*-120*=60*

60*/2=30*

8 0
3 years ago
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