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SSSSS [86.1K]
3 years ago
10

I’m giving brainiest to whoever answer first and correct HURRYY and don’t just guess cause I’m going to know

Mathematics
1 answer:
anyanavicka [17]3 years ago
7 0

Answer:

Angle 12 is 45 degrees

Angle 13 is 90 degrees

Angle 14 is 45 degrees

Step-by-step explanation:

Angles 12 and 14 are acute angles

Angle 13 is neither acute or obtuse, therefore it is a right angle.

Obtuse= >90 degrees

Acute= <90 degrees

Right= 90 degrees

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Through (1,-6) parallel to the line x + 2y = 6
MakcuM [25]

Hello!

To find the line parallel to the line x + 2y = 6 and passing through the point (1, -6), we will need to know that if two lines are parallel, then their slopes are equivalent to each other.

Since the given equation is written in standard form, we will need to change it to slope-intercept form to get the slope. Slope-intercept form is: y = mx + b.

x + 2y = 6 (subtract x from both sides)

2y = 6 - x (divide both sides by 2)

y = 6/2 - x/2

y = -1/2x + 3 | The slope of parallel lines are -1/2.

Since we are given the slope, we need to find the y-intercept of the line that goes through the point (1, -6) by substituting that point into a new equation with a slope of m equalling to -1/2.

y = -1/2x + b (substitute the given point)

-6 = -1/2(1) + b (simplify - multiply)

-6 = -1/2 + b (add 1/2 to both sides)

b = -11/2 | The y-intercept of the parallel line is -13/2.

Therefore, the line parallel to x + 2y = 6 and goes through the ordered pair (1, -6) is y = -1/2x + -11/2.

8 0
3 years ago
F(y) = y² + 10y + 21 <br>f'(2) = ? <br>​
Ahat [919]

Answer:

14

Step-by-step explanation:

f'(2) = 2y + 10

f'(2) = 2(2) + 10

= 4 + 10

= 14

3 0
2 years ago
Read 2 more answers
Mr. Evans is in charge of bringing soda for a party at his work. The store is selling 3 packs for $10. If he needs to bring 9 pa
GarryVolchara [31]
He needs to pay 30$ to get. 9 packs
7 0
3 years ago
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The measures of three of the interior angles of a quadrilateral are 60°, 110°, and 90°. What is the measure of the fourth angle
Dmitry_Shevchenko [17]

Answer:

100°

Step-by-step explanation:

all four angles added together total 360°

x = 360° - 60° - 110° - 90°

x = 100°

3 0
3 years ago
For each quantity, decide whether circumference or area would be needed to calculate it. Explain or show your reasoning.
Montano1993 [528]

Answer:

Area

Step-by-step explanation:

When you are deciding how much of something is needed to cover something, in this case a table, you need to know everything. Including the inner part of the circle. Not just the outside.

7 0
3 years ago
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