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Keith_Richards [23]
4 years ago
7

Pleases Please Help!!!! 32 points!!!

Mathematics
1 answer:
skad [1K]4 years ago
7 0
I,m not sure but I tried my best I think it's c
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What is 25% of 140? <br>O 14 <br>O 30<br> 0 35<br> O 40​
bekas [8.4K]

Answer:

35

Step-by-step explanation:

do 140 times .25 to get 35

4 0
3 years ago
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If angle ABC is one degree less than three times angle ABD and angle DBC=47 find each measure
Contact [7]

It has not been indicated whether the figure in the questions is a triangle or a quadrilateral. Irrespective of the shape, this can be solved. The two possible shapes and angles have been indicated in the attached image.

Now, from the information given we can infer that there is a line BD that cuts angle ABC in two parts: angle ABD and angle DBC

⇒ Angle ABC = Angle ABD + Angle DBC

Also, we know that angle ABC is 1 degree less than 3 times the angle ABD, and that angle DBC is 47 degree

Let angle ABD be x

⇒ Angle ABC = 3x-1

Also, Angle ABC = Angle ABD + Angle DBC

Substituting the values in the above equations

⇒ 3x-1 = x+47

⇒ 2x = 48

⇒ x = 24

So angle ABD = 24 degree, and angle ABC = 3(24)-1 = 71-1 = 71 degree

8 0
4 years ago
If f(x) = 3x - 2 and g(x) = 2x + 1, find (f - g)(x)
antiseptic1488 [7]

Answer:

A

Step-by-step explanation:

note that (f - g)(x) = f(x) - g(x)

f(x) - g(x)

= 3x - 2 - (2x + 1) ← distribute by - 1

= 3x - 2 - 2x - 1 ← collect like terms

= x - 3 → A

5 0
3 years ago
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Addicted to the Internet?The Ann Arbor public school officials would like to estimate the population mean daily Internet usage t
Lana71 [14]

Answer:

We can assure the Ann Arbor officials that after look the information we conclude that the mean is 8 h

Step-by-step explanation:

From CI ( 95 % )  = ( 6,7 ; 9,3 )

And the information "large random size sample" we conclude that the population has a normal distribution; a normal distribution has a bell shape curve, and data must spread symmetrically with respect to the mean, therefore the mean is:

6,7 + 9,3 = 16

16/2 = 8

If we need t check we can use the other CI

CI ( 99 % ) = (6,257 , 9,743 )

6,257 + 9,743 = 16

16/2 = 8

We are sure the mean is 8 h  

6 0
3 years ago
The face of a clock is divided into 12 equal parts. The radius of the clock face is 6 inches. Assume the hands of the clock will
Mars2501 [29]

Answer: The answer to this is A,C, E! Hope this helps!

3 0
3 years ago
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