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Tju [1.3M]
2 years ago
9

Factor the common factor out of –12 + 15x. A. x(–8 + 5x2) B. 3(–4 + 5x) C. x(–12 + 15x) D. 3x(–4 + 5x)

Mathematics
2 answers:
Inessa [10]2 years ago
5 0
The common factor of -12+15x is 3(-4+5x).
Thus, the correct option is B.
Reika [66]2 years ago
4 0
It will be B >>>>>>>>>
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Richard and Georgia both wrote essays.
LenaWriter [7]

Answer: a) Georgia, b) 120 words

Step-by-step explanation:

We can calculate how many words they each wrote by multiplying their time and the rate at which they write words.

Richard: 45*16 = 720 words total

Georgia: 70*12 = 840 words total.

Therefore, Georgia wrote 120 more words.

3 0
2 years ago
Read 2 more answers
Find the inverse function for y=3/4+x
Sonja [21]

The inverse of this function is y = x - \frac{3}{4}


You can find the inverse of any function by switching the x and y values and then solving for the new y value. Once you've done that, what will be left over is the inverse function.


y = \frac{3}{4} + x ----> Swap x and y

x = \frac{3}{4} + x -----> Subtract 3/4 from both sides.

x - \frac{3}{4} = y ----> rearrange to appropriate order

y = x - \frac{3}{4}


And that is your inverse function.

8 0
2 years ago
Which of the following measures cannot be determined from a box plot?
ad-work [718]
<h3>3 Answers:</h3>
  • B) Mean
  • C) Mean absolute deviation
  • E) Mode

==========================================================  

Explanation:

The box plot, aka "box-and-whisker plot", visually represents five things. These things are:

  • Minimum
  • Q1 = first quartile
  • Median (sometimes referred to as Q2 or second quartile)
  • Q3 = third quartile
  • Maximum

This list of five items is known as the five number summary.

The min is the tip of the left most whisker, assuming there aren't any small outliers. The max is the opposite side, being the tip of the right most whisker (assuming no large outliers). If there are any outliers, then they'll be shown as "island" dots on their own separated from the main box plot. The left and right edges of the box are Q1 and Q3 respectively. The median is the vertical line inside the box. The vertical line does not have to be at the midpoint of the left and right edges of the box. It simply needs to be somewhere in the box.

--------

Since the box plot lets us know the min and max, we can compute the range because

range = max - min

and we can also calculate the interquartile range (IQR) because

IQR = Q3 - Q1

--------

So to summarize so far, the five number summary is visually represented as the box plot. The range and IQR can be computed using items from the five number summary.

We cannot compute the mean because we would need the actual data set of values, rather than the summary data. The same goes for the mean absolute deviation (MAD) and the mode. Since your teacher is looking for things that cannot be determined from a box plot, we'll go for answers B, C and E.

In other words, we rule out choices A, D, and F because we can compute or determine those values from a box plot.

7 0
2 years ago
Alisha is working
dexar [7]

The number in question is equal to 2 times the temperature in degrees Celsius.

<h3><u>Equations</u></h3>

Since Alisha is working on a project about temperature conversion in her science class, and the formula for converting degrees Celsius to degrees Fahrenheit is F=C+32, to solve FC + 32 the following equation must be performed:

  • CF + 32 = X
  • F + F + 32 + 32 = X
  • 2F + 64 = X
  • F + 32 = 1/2X
  • X = 2C

Therefore, the number in question is equal to 2 times the temperature in degrees Celsius.

Learn more about equations in brainly.com/question/26678239

8 0
1 year ago
A satellite moves at a speed of 27,950 kilometers per hour. About how much faster is one satellite than the other? Explain how t
Marianna [84]
27,950 k * X Kilometers
_____________________________ All you have to do now is cross multiply
1 hr 1hr
6 0
3 years ago
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