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liq [111]
1 year ago
9

Select the graph that matches the equation y = −746x + 12.

Mathematics
1 answer:
alukav5142 [94]1 year ago
5 0

Answer:

The correct answer is C.

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Solve the system of equations using row operations. Write your answer in the form (x, y).
Sonja [21]

Answer:

(5, - 4 )

Step-by-step explanation:

Given the 2 equations

2x + 3y = - 2 → (1)

3x - y = 19 → (2)

Multiplying (2) by 3 and adding to (1) will eliminate the y- term

9x - 3y = 57 → (3)

Add (1) and (3) term by term to eliminate y

(2x + 9x) + (3y - 3y) = (- 2 + 57), that is

11x = 55 ( divide both sides by 5 )

x = 5

Substitute x = 5 into either of the 2 equations and solve for y

Substituting into (1)

2(5) + 3y = - 2

10 + 3y = - 2 ( subtract 10 from both sides )

3y = - 12 ( divide both sides by 3 )

y = - 4

Solution is (5, - 4 )

8 0
3 years ago
In a triangle the measure of the first angle is 24 degrees more than the second angle. the measure of the third angle is four ti
Leona [35]

The greatest angle in the given triangle is 104 degrees.

<h3>What is a triangle?</h3>
  • The polygon with 3 sides, three vertices, and three angles is known as a triangle.
  • A triangle's overall number of degrees is always 180 degrees.

Given:

  • Let, the second angle has a measurement of x degrees.
  • The first angle's measurement is 24 degrees greater than the second angle's measurement.
  • As a result, the first angle is (24+x) degrees.
  • The third angle is four times as large as the second.
  • As a result, the third angle has a measure of 4x.

So,

  • (24 + x) + x + 4x = 180
  • 6x = 124 - 48
  • 6x = 156
  • x = 156/6
  • x = 26

As a result, the second angle has a measurement of 26 degrees.

The first angle's measurement is now 24 degrees greater than the second angle's measurement.

Now,

  • = 24 + 26
  • = 50

As a result, the first angle has a measure of 50 degrees.

The third angle is now four times the size of the second angle.

So,

  • 4 × 26 = 104

Therefore, the greatest angle in the given triangle is 104 degrees.

Know more about triangles here:

brainly.com/question/17335144

#SPJ4

7 0
2 years ago
Which of the following are true? Select one or more: a. The standard deviation of the sample mean will be larger than the popula
Ilia_Sergeevich [38]

Answer:

C. The standard deviation of the sample mean will be smaller than the population standard deviation.

Step-by-step explanation: Standard deviation is described as the square root variance,it is a Mathematical and statistical analysis tool used to understand the variation of treatments or values around the Mean.

The higher the Population the more the chances for deviation from the Mean, samples are always less than the entire population so the chances for variations will be less with sample than with the population.

8 0
3 years ago
What is the cube root of -256<br> please show steps and keep answer in radical form and not decimals
polet [3.4K]

Answer:

-4∛4

Step-by-step explanation:

Simplify the radical expression

-∛256→ -2²x∛2²

then evaluate the power

-4∛4

It would be greatly appreciated if you gave me brainiest

7 0
3 years ago
Read 2 more answers
I need some help here I'm not sure what to do. Thanks in advance.
pogonyaev
I only know 1 and 2. Just figure out. What other number equals 150 degrees besides 55 and what other number. Also, figure out what number equals 82 degrees.
5 0
3 years ago
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