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julsineya [31]
3 years ago
14

C-Spec, Inc., is attempting to determine whether an existing machine is capable of milling an engine part that has a key specifi

cation of 3 ± 0.05 inches. After a trial run on this machine, C-Spec has determined that the machine has a sample mean of 3.001 inches with a standard deviation of 0.030 inch.
Mathematics
1 answer:
Mumz [18]3 years ago
4 0
Brainly brainlyyy Please Help
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Angle DEF is an inscribed angle on a circle, and m∠DEF = 64°. What is the measure of arc DF?
Svetach [21]

Answer:

128°

Step-by-step explanation:

<u>The measure of an inscribed angle is half the measure of the intercepted arc.</u> That means that the intercepted arc is two times the inscribed angle.

Measure of the inscribed angle DEF is 64°, that means that the measure of the intercepted arc DF is 2×64°, which is 128°.

m\overset{\huge\frown}{DF} = 2 \times m\angle DE F = 2 \times 64^\circ = 128^\circ

6 0
2 years ago
Find f^-1(x) for f(x)=-3x+2 and state whether or not it is a function.
Tju [1.3M]
X = -3y + 2

-3y = x - 2

f^-1(x) = y = -(x-2)/3

The inverse here is just a straight line so it is a function.
4 0
3 years ago
Read 2 more answers
X2 + 6x +9<br> x² - 4x - 21
Jlenok [28]

Answer:

=8×+9

=(x+3)×(x-7)

Step-by-step explanation:

i think I'm correct

6 0
3 years ago
Find the slope of the line that would pass
Leno4ka [110]

Answer:

10

Step-by-step explanation:

Here we go!

Slope Formula:

\frac{ {y}^{2} -  {y}^{1}  }{ {x}^{2} -  {x}^{1} }

What we know: (-4, -52) and (-1, -22)

Plug in the numbers!

\frac{ - 52 - ( - 22)}{ - 4 - ( - 1)}

Fix it!

\frac{ - 52 + 22}{ - 4 + 1}

Add

\frac{ - 30}{ - 3}

Divide

(negative divided by a negative is a positive!!)

Slope is 10

Hope this helps!

4 0
3 years ago
Please help me with this Question. Please and thank you.
myrzilka [38]
Here you go hope this helps
8 0
2 years ago
Read 2 more answers
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