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Radda [10]
2 years ago
8

doug got 8 out of 10 questions correct on his math quiz. If each question was worth the same number of points, and the test was

worth 50 points total, what was Doug's score?​
Mathematics
1 answer:
melamori03 [73]2 years ago
5 0

Answer:

Each answer correct is 5 points so Doug got 40 points.

Step-by-step explanation:

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From a group of six people, two individuals are to be selected at random. how many possible selections are there
Murrr4er [49]
You can do C(6,2) which gives 6*5/2 which is 15!
6 0
3 years ago
Joseph went to the mall with five ten dollar bills into $5 bills he bought a toy for $27 which equation can we do is to find the
MatroZZZ [7]
5x10-27=$23
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4 0
3 years ago
100 POINTS! SOLVE FOR X. PIC ATTACHED. Random answers will be reported.
Romashka-Z-Leto [24]

Answer:

  • x = 29

Step-by-step explanation:

The angles (2x- 10) and (4x+ 16) are consecutive interior angles and therefore are corresponding

<u>Corresponding angles sum to 180</u>

  • (2x - 10) + (4x + 16) = 180
  • 6x + 6 = 180
  • 6x = 174
  • x = 174/6
  • x = 29
8 0
3 years ago
Please explain each step 5x-7=7x-17
EleoNora [17]
Let's get the same terms on the same side.
I am going to remove 5x from both sides of the equation by subtracting 5x

5x - 5x<span> -7 = 7x -</span>5x<span> - 17</span>
           -7 = 2x - 17   now lets remove the 17 from both sides
       -7 + 17 = 2x     (why do we add 17?  Think of 2x -17 as 2x +  -17.  Tor remove a negative number we add it.
Now we finally have     10=2x and if we divide both sides by 2

<u>10</u><span>  = </span><u>2x</u><u>
</u>2       2    we get that x = 5
<u />Let's check by substituting 5 in the original equation:
5(5) - 7 = 7(5) - 17
25 - 7 = 35 - 17
<span>18      =       18</span>
6 0
3 years ago
By visual inspection ,determine the best fitting regression model for the scatter plot
k0ka [10]

Answer:

if the scatter plot has a curve like the one attached does then it is quadratic  regression.

Step-by-step explanation:

Exponential growth is a specific way that a quantity may increase over time. ... Described as a function, a quantity undergoing exponential growth is an exponential function of time, that is, the variable representing time is the exponent (in contrast to other types of growth, such as quadratic growth).

Exponential growth is a specific way that a quantity may increase over time. It occurs when the instantaneous rate of change (that is, the derivative) of a quantity with respect to time is proportional to the quantity itself.

This means if it has a curve that doesn't represent same value proportions to another axis. that is different to exponential then we say it is quadratic regression.

The formal term to describe a straight line graph is linear, whether or not it goes through the origin, and the relationship between the two variables is called a linear relationship.

5 0
2 years ago
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