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Aleonysh [2.5K]
3 years ago
6

Evaluate the expression using order of operations. 6 x 7 – 8 ÷ 4

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
5 0

Answer:

40

Step-by-step explanation:

6 x 7 = 42

8 ÷ 4 = 2

42 - 2

= 40

prisoha [69]3 years ago
5 0

Answer:

40

Step-by-step explanation:

6 x 7 = 42

8 ÷ 4 = 2

42 - 2 = 40

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Find the value or values of x in the quadratic equation x2=6x-9.
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x² = 6x - 9, or x² - 6x + 9 = 0, or x² - 2*x*3 + 3² = 0, or (x-3)² = 0 => x₁ = x₂ = 3.

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3 years ago
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Please help me answer this !
liberstina [14]

Answer:

y = -\frac{1}{2}x + 4

Step-by-step explanation:

The equation of the line can be written in slope-intercept form, as y = mx + b.

We need to find the slope (m) and the y-intercept (b) of the line, then plug their values into the slope-intercept equation, to find the equation of the line shown.

y-intercept (b) = the point where the line intercepts the y-axis = 4

Using two points on the line, say, (0, 4) and (2, 3):

slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{3 - 4}{2 - 0} = \frac{-1}{2} = -\frac{1}{2}

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The equation of the line would be:

y = -\frac{1}{2}x + 4

3 0
3 years ago
HELP!!!!! The measure of the angle’s supplement is 20 degrees more than three times that of its complement. Find the measure of
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Answer:

The measure of the angle is 55°

Step-by-step explanation:

Take an angle A and let its complement be x°

Its supplement is 20° + 3x°

Supplementary angles add up to 180° so;

Angle A = 180° - (20° + 3x°) = 160° - 3x°

Complementary angles add up to 90° so;

x° + 160° - 3x° = 90°

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So the complement of the angle A is 35°

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B is the answer to this question.....
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4 years ago
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I will mark you branlist!!
Anton [14]

Answer:

25

Step-by-step explanation:

1/5 x 125 = 25

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