Find the reference angle of the following angles:

Find The Reference Angle Of The Following Angles:

Answers

Answer 1

Answer:

By definition, the reference angle is an acute, hence positive angle that the terminal side of a given angle makes with the x-axis.

In this case, the acute angle is 40º.


Related Questions

does this graph represents a function? Why or why not?

Answers

Answer:

B. Yes, because it passes the vertical line test.

Step-by-step explanation:

B. Yes, because it passes the vertical line test.

A vertical line going from left to right will intersect at most one point on the graph at a time. That makes it a function.

Answer:

c

Step-by-step explanation:

A P E X

Find the x-intercepts for the parabola defined
by this equation:
y=-3x2 - 6x + 9
Write your answer as two ordered pairs:
(x1,y1),(x2,y2)

Answers

Answer:

(-3,0)   (1,0)

This should satisfy the answer as these are the x intercepts/zeroes.

ASAP If you chose Equilateral Equiangular Triangle Rotation to prove SAS Congruence, use the coordinates of your rotation to show that the two triangles are congruent by the SAS postulate. You can use the distance formula to show congruency for the sides. To show an angle is congruent to a corresponding angle, you can use slope or your compass and straightedge. (Hint: Remember when you learned how to copy an angle?) You must show all work with the distance formula for the corresponding pair of sides, and your work for the corresponding angles, to receive full credit.

Answers

Based on the SAS congruence criterion, the statement that best describes Angie's statement is:

D. Two triangles having two pairs of congruent sides and a pair of congruent angles do not necessarily meet the SAS congruence criterion, therefore Angie is incorrect.

What is congruency?

The Side-Angle-Side Congruence Theorem (SAS) defines two triangles to be congruent to each other if the included angle and two sides of one is congruent to the included angle and corresponding two sides of the other triangle.

An included angle is found between two sides that are under consideration.

See image attached below that demonstrates two triangles that are congruent by the SAS Congruence Theorem.

Thus, two triangles having two pairs of corresponding sides and one pair of corresponding angles that are congruent to each other is not enough justification for proving that the two triangles are congruent based on the SAS Congruence Theorem.

The one pair of corresponding angles that are congruent MUST be "INCLUDED ANGLES".

Therefore, based on the SAS congruence criterion, the statement that best describes Angie's statement is:

D. Two triangles having two pairs of congruent sides and a pair of congruent angles do not necessarily meet the SAS congruence criterion, therefore Angie is incorrect.

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What is the value of n in the equation below?

StartFraction 12 Superscript n Over 12 Superscript 5 EndFraction = 12 Superscript 4

Answers

Answer:

9 is the answer happy to help

Answer:

12

Step-by-step explanation:

Edge

There are crows and groundhogs in a field. All of them together have 15 heads and 40 legs. How many of each animal are in the field?

Answers

Answer:

10 crows and 5 ground hogs

Step-by-step explanation:

10 ×2 is 20 because crows have 2 legs then we do 5×4 which is 20 because ground hogs have 4 legs 10 +5 equals 15 because each animal has one head


Just like the other answer said the crows would be 10 making it 20
Legs and 10
Heads and 5 more heads for a ground hog would equal 15 heads plus another 20 legs equals 40 leafs

-5/7 times 1/5 please help solve

Answers

Answer:

-1/7

Step-by-step explanation:

-5/7 × 1/5

Multiply numerator with numerator and denominator with denominator.

-5/35

Simplify.

-1/7

Answer:

Brainliest1

Step-by-step explanation:

-5/7 x 1/5 = -5/35 = -1/7

Calculate the length of the unknown side of this right-angled triangle.
9 cm
17 cm

Answers

Answer:

14.4 cm

Step-by-step explanation:

Answer:

4√13

Step-by-step explanation:

Let's call the missing side length x

The given is a right triangle and in right triangle the square

length of hypotenuse is equal to square sum of other two side lengths

17^2 = 9^2 + x^2

289 = 81 + x^2 subtract 81 from both sides

208 = x^2

4√13 = x

linear inequality: solve -4x+2

Answers

Answer:

x≤-6

Step-by-step explanation:

-4x+2≥ 26

Subtract 2 from each side

-4x+2-2 ≥ 26 -2

-4x ≥ 24

Divide by -4 remembering to flip the inequality

-4x/-4 ≤-24/-4

x≤-6

Answer:

B. x ≤ -6

Step-by-step explanation:

-4x + 2 ≥ 26

Subtract 2 on both sides.

-4x ≥ 26 - 2

-4x ≥ 24

Divide -4 on both sides.

x ≤ 24/-4

x ≤ -6

59. A car dealership has SUVs and sedans in a ratio of
5:9. How many sedans does the car dealership
have if there are 140 SUVs?

Answers

Answer:

The car dealership has 252 sedans.

Step-by-step explanation:

Number of SUVs = 140

Ratio of SUVs to sedans = 5:9

Sum of ratios = 5+9 = 14

Total number of cars = 14/5 × 140 = 392

Number of sedans = 9/14 × 392 = 252


Joshua is going to mow lawns during his summer break. The graph in the figure shows a linear relationship between the number of weeks he will be
mowing and the number of lawns he will mow. If he earns $25 for each lawn he mows, how much money will he earn after mowing lawns 5 weeks?
A. $125
B. $750
C. $1,500
D. $3,000

Answers

the answer would be C because you would do 60 x 25 which would give you 1,500

Answer:

$1,500

Step-by-step explanation:

We see on the graph that he mows 60 lawns in 5 weeks so if we multiply 60 by 25 because 25 is the amount of money he makes for each lawn he mows, we get 1,500 dollars.

please mark me brainliest!

John is four years younger than Paul who is p years old. How old will John be in two years?

Answers

Answer:

In two years, John will be two years younger than Paulś age today, or four years younger than Paul at the time.

Step-by-step explanation:

and distance of the last ramp is ______ feet (round to the nearest foot)

Answers

Answer:

The distance of the last ramp is 10 feet.

Step-by-step explanation:

From the options and the question, I assume that the height of the ramp is 6 feet. Pythagorean theorem states:

a² + b² = c²

where c is the hypotenuse, and a and b are the legs of the triangle. In this case:

6² + 8² = x²

√100 = x

10 ft = x

2. Which situation does have a final value of 0?
A. A jet rose to a height of 1000 feet above the ground. It then descended to a height of 100 feet.
B. The temperature at 1:00 p.m. was 10°F. It dropped another 10° over 4 hours.
C. Pace deposits $10 in his account and then withdrew $10.
D. Keith gained 8 yards during the first quarter of the football game and then lost 8 yards during the second quarter.

BTW ITS #2 not #3 :)

Answers

Answer:

The answer is d i think

Step-by-step explanation:

A theater sold 980 tickets for a ballet. The orchestra seats cost $50 each and the
balcony seats cost $35 each. The theater collected $44, 350 in ticket sales for the
performance.
How many balcony tickets were sold?

Answers

Answer:

310 balcony tickets were sold

Step-by-step explanation:

Part 1:

X=the number of orchestra seats sold

Y=the number of balcony seats sold

980=the total of tickets sold

X+Y=980

Part 2:

Orchestra seats cost $50

Balcony Seats cost $35

Total money collected $44,350

50X+35Y=44,350

X+Y=980

Y=980-X (substitute y in your second equation)

50X+35(980-X)=44,350

50X+34,300-35X=44,350

50X-35X=44,350-34,300

15X=10,050

X=670

Y=980-X

Y=980-670

Y=310

Check

50X+35Y=44,350

50(670)+35(310)=44,350

Given the following function find f(-2)

Answers

Answer:

f(-2) = 1

Step-by-step explanation:

Simply plug in -2 for x in our given function:

f(-2) = (-2 - 3)/(2(-2) - 1)

f(-2) = -5/(-4 - 1)

f(-2) = -5/(-5)

f(-2) = 1

Answer:

1

Step-by-step explanation:

Plug x as -2 and solve.

(-2 - 3)/(2(-2) - 1)

-5/(-4 - 1)

-5/-5

= 1

Write an equation of the line passing through the point (7,3) that is parallel to the line 4x-7y=9

Answers

Answer:

y = -7/4x + 61/4

Step-by-step explanation:

Step 1: Write equation in slope-intercept form

-7y = 9 - 4x

y = 4/7x - 9/7

Step 2: Find slope of perpendicular line

Take the negative reciprocal of the 1st equation

m = -7/4

Step 3: Write out known variables

y = -7/4x + b

Step 4: Find b

3 = -7/4(7) + b

3 = -49/4 + b

b = 61/4

Step 4: Rewrite equation

y = -7/4x + 61/4

Determine the area of the given kite. ANSWERS: 342 square units 2520 square units 5040 square units 684 square units

Answers

Answer: 342 square units

Step-by-step explanation:

Area of a kite = pq / 2 ( where PQ represents both diagonals)

Area = (38 x 18) / 2

Area = 684 / 2

Area = 342

Scarlett made 36 muffins on Tuesday, and 20 of the muffins were blueberry. What is the ratio of blueberry muffins to all muffins?

Answers

Answer:I belive it is 56 I may be wrong but it iz what it iz

Step-by-step explanation:

Answer:

20 blueberry muffins: 36 muffins

if you want simplest form, then 5 blueberry muffins: 9 muffins

Step-by-step explanation:

Simplest form=

blueberry muffins= 20/4=5  blueberry muffins

muffins= 36/4=9 muffins

5 blueberry muffins: 9 muffins

Does this table represent a function? why or why not?

Answers

Answer:

I think it's A but I could be wrong

Answer: B

Step-by-step explanation:

A graph or table is a function if it passes the vertical line test. That means, each x and only 1 y. One x cannot have more than 1 y because, that means it does not pass the veritcal line test. In the vertical line test, the vertival line only passes through 1 point, not 2. Since we know that this graph does not pass the vertical in test, we can eliminate C and D. We can eliminate A because 2 y-values can be the same as lone as there have different x. B fits the description of what we see on the table. Therefore, the answer is B.

Richard made tables of values to solve a system of equations. First he found
that the x-value of the solution was between 0 and 1, and then he found that it
was between 0.5 and 1. Next, he made this table.

Answers

Answer:

(0.9,4.2)

Step-by-step explanation:

Given:

The table above such that

[tex]y = -x + 5[/tex]

[tex]y = 6x - 1[/tex]

Required

Approximation of the solution

To do this, we start by equating both values of y

[tex]-x + 5 = 6x - 1[/tex]

Collect like terms

[tex]-x - 6x = -5 -1[/tex]

[tex]-7x = -6[/tex]

Divide both sides by -7

[tex]\frac{-7x}{-7} = \frac{-6}{=7}[/tex]

[tex]x = \frac{6}{7}[/tex]

[tex]x = 0.8571[/tex]

[tex]x = 0.9[/tex] (Approximated)

Substitute [tex]\frac{6}{7}[/tex] for x in any of the expression of y

Using [tex]y = -x + 5[/tex]

[tex]y = -\frac{6}{7}+ 5[/tex]

[tex]y = \frac{-6+35}{7}[/tex]

[tex]y = \frac{29}{7}[/tex]

[tex]y = 4.1[/tex] (Approximated)

The closest to this is option D

(x,y) = (0.9,4.2)

Struggling!!! Math help plss!!! ​

Answers

Answer:

Step-by-step explanation:

The point (2,-5) is reflected over the y-axis. Which of the following points is the image?
(-2,5)
(-2,-5)
(2,-5)
(2,5)

Answers

2,5 would be the answer

FIRST GETS BRAINLLEST If each 2 cm on the scale drawing below equals 8 feet, what is the actual length of the green line? 16ft 18ft 19.5 ft 21 ft

Answers

Answer: The correct answer is 18ft

Step-by-step explanation:

Answer:

16 ft

Step-by-step explanation:

If you simply the ratio of 2/8 it becomes 1/4

This means that it has to be a multiple of 4

which of the following does NOT represent a function ?

Answers

Answer:. C is not a function.

Step-by-step explanation: If there is more than one y-value for each x-value, it can't be a function. The elipse has two y-values for each x.

Answer:

It will be the third option.

Step-by-step explanation:

If CD is a segment bisector of AB and AB = 17, find AP. Question 19 options: A) 17 B) 34 C) 68 D) 8.5

Answers

Answer:

8.5.....

Step-by-step explanation:

The length of AP is 8.5 units.

To find length of AP.

What is bisector?

Bisecting a line is cutting a line exactly in half. It may also be referred to as constructing a perpendicular bisector as the line you are drawing will be at a right angle to the original line. A line, a ray, a line segment, or a point that cuts a line segment at the center dividing the line into two equal parts.

Given that:

AB=17 units

The segment bisector is a line that passes through the midpoint of a given segment.

It's a segment bisector which means the other line bisects the direct middle of AB. 17/2 is 8.5, meaning that AP should be 8.5.

AP=8.5

So, the length of AP is 8.5 units.

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Evaluate f(x) =1/3x for x = 4.

Answers

Answer: 1 1/3 or 4/3

Step-by-step explanation: f(4) =1/3(4) = 4/3  = 1 1/3

The answer is 4/3 or 1 1/3 I think

Please i need with this ASAP..Thanks

Answers

Answer:

0.7667

Step-by-step explanation:

P(trian) = 1÷6 = 0.1667

P(bus) = 3÷5 = 0.6

therefore total P(both) = 0.6 + 0.1667

= 0.7667

Which are correct representations of the inequality -3(2x - 5) <5(2 - x)? Select two options.

Answers

Answer:

The third and fourth options.

Step-by-step explanation:

You simplify the inequality first...

-6x + 15 < 10 - 5x

-x < -5

x > 5

The first option is incorrect since it is less than.

The second option is basically -5x < 15; x > -3; that's incorrect.

The third option is basically -x < -5; x > 5; that is correct!

The fourth option is correct since it shows more than 5.

The fifth option is incorrect because it shows less than -5.

Hope this helps!

Answer: The answer is C and E

Step-by-step explanation:

Hope this helps;)

Use the drawing tool(s) to form the correct answer on the provided graph.
Graph the inverse of the line provided on the graph.

Answers

Answer: Slope 1/4  therefore slope of new line would be -1/4

Step-by-step explanation:

The points of the inverse of the line provided on the graph are as under:

x=2,y=5

x=0,y=-5

x=1,y=0

What is the inverse of a line?

It means interchanging the values of x with the values of y and form a line which is known a inverse of a line.

How to graph the inverse of a line?

firstly point out the points from the graph given in the question as in the graph1 below

now by interchanging the values we get the values of inverse of the line as in the graph 2

By plotting these points on the graph we get the inverse of the line which is in the graph 3

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HELP ASAP BRAINLIEST AND THX!

Answers

Answer:

A.

Step-by-step explanation:

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