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lara [203]
2 years ago
15

For the given equation, find the values of a, b, and c, determine the direction in which

Mathematics
1 answer:
Shkiper50 [21]2 years ago
7 0

Answer: Table D

Step-by-step explanation:

The coefficient of x^2 is -9, the coefficient of x is 7, and the constant is 0, so we know a = -9, b = 7, c = 0.

  • This eliminates tables A, B, and C.

Thus, table D is the answer.

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The sum of the measures of the angles of a triangle is 180. The sum of the measures of the second and third angles is three time
Orlov [11]

Answer:

x = 45°, y = 53°, z = 82°

Step-by-step explanation:

x is the first angle, y is the second, and z is the third.

The sum of the second and third, which is denoted by y + z, is 3 times the measure of the first, which is just x. So, we have:

y + z = 3 * x

Additionally, the third angle, z, is 29 more than the second, y, so:

z = 29 + y

We also know that the sum of the three is 180, so:

x + y + z = 180

Let's substitute y + z in the last equation with 3 * x:

x + y + z = 180

x + 3x = 180

4x = 180

x = 45

Now, we know that y + z = 3 * 45 = 135. We also know that z = 29 + y, so substitute 29 + y in for z in y + z = 135:

y + z = 135

y + (29 + y) = 135

2y + 29 = 135

2y = 106

y = 53

Finally, use this value of y to solve for z:

z = 29 + y

z = 29 + 53 = 82

Thus, the angles are x = 45°, y = 53°, and z = 82°.

<em>~ an aesthetics lover</em>

5 0
3 years ago
Questions:
dolphi86 [110]

Answer:

See explanation

Step-by-step explanation:

Which display is more useful for approximating the minimum distance?

More useful is box-and-whisker plot (second display) because there you can exactly see that the minimum distance is 10 km (left point at the plot).

Which display can be used to find that there were 23 vehicles at Nam’s Used Car Lot?

More useful is first display, because you see the following information:

Distance           Number of vehicles

0 - 50                              3

50 - 100                          4

100 - 150                         5

150 - 200                        6

200 - 250                       3

250 - 300                       2

Total number of vehicles = 3 + 4 + 5 + 6 + 3 + 2 = 23

6 0
3 years ago
Read 2 more answers
Perform the distribution: (x-7)(2x-4)
dsp73

Answer:

2x^2 - 18x + 28

Step-by-step explanation:

(x - 7)(2x - 4) =

= (x - 7)(2x) - (x - 7)(4)

= 2x^2 - 14x - 4x + 28

= 2x^2 - 18x + 28

5 0
3 years ago
How would I graph this y=1/3x+2,y=-x-2
Angelina_Jolie [31]
There are 2 lines.
For the first line, you would start at (0,2) then proceed to go up 1 then go to the right 3.
For the second line, you would start at (0,-2) then proceed to go down and right by 1
8 0
3 years ago
Jason wants to use his earnings from Monday and Tuesday for online movie rentals. movies cost $2.96 each to it how many movies c
ozzi
On Monday and Tuesday, Jason sold 22,6 pounds of cans, so he made s=22,5 x 0.40=9 
That means that Jason can rent 9/2.96 ≈3 movies
5 0
3 years ago
Read 2 more answers
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