Helpppp :(((( 75 points and brainliest!!!! for good answers only



cos Θ =4/5 and sin Θ<0. Identify the quadrant of the terminal side of Θ and find sin Θ.

Helpppp :(((( 75 Points And Brainliest!!!! For Good Answers Onlycos =4/5 And Sin &lt;0. Identify The

Answers

Answer 1

option B

Cos theta is positive and sin theta is negative in quadrant IV

[tex]Cos \ \theta =\dfrac{4}{5}=\dfrac{adjacent \ side}{hypotenuse}[/tex]

We have to find opposite side using Pythagorean theorem.

x² + 4² = 5²

x² + 16 = 25

       x² = 25- 16

       x² = 9

       [tex]\sf x =\sqrt{9}\\\\x = 3[/tex]

[tex]\sf \ sin \ \theta =\dfrac{opposite \ side}{hypotenuse}\\Sin \ \theta =\dfrac{-3}{5}[/tex]


Related Questions

Identify the percent of change as an increase or a decrease.

12 inches to 36 inches

Find the percent of change.

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Answer:

increase of 300%

Step-by-step explanation:

this is urgent my sister needs it due in 15 min

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Answer: A) 2.4 ÷ 6

Step-by-step explanation:

      To answer this problem, we need to find the original whole and what it is being divided by.

[] The whole is 2.4 because we see two wholes shaded in, and 4 columns shaded in. For this model, it represents 2.4

[] It is being divided into 6 parts. This is shown with the white numbers and the thicker lines

      We can also check with math, 2.4 divided by 6 is 0.4 so it "checks out."

      This model represents the expression A) 2.4 ÷ 6.

Mrs. Hall's sixth graders walk laps every day on the school track. The following are the number of laps the class completed in the last 12 weeks: 15, 18, 20, 20, 10, 22, 14, 7, 18, 19, 15, 23 [Second Time I Reposted it.]

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Answer:

Here is the answer in the picture sorry I was late to answer I got busy in a zoom but here

Step-by-step explanation:

A box plot is basically a box with lines that tell you where the minimum,first quartile,median,third quartile and maximum are on a line.

So I just but all the values in order than find the minimum,first quartile,median,third quartile and maximum are and then build the box plot

(7,10,14,15,15,18,18,19,20,20,22,23)

Solve the inequality. 2(4x – 3) ≥ –3(3x) 5x? x ≥ 0.5 x ≥ 2 (–[infinity], 0.5] (–[infinity], 2]

Answers

The solution of the inequality 2(4x - 3) ≥ -3(3x) + 5x is true for all x such that its a real number bigger or equal to 0.5 (Option A: x ≥ 0.5)

What is a solution set to an inequality or an equation?

If the equation or inequality contains variable terms, then there might be some values of those variables for which that equation or inequality might be true. Such values are called solution to that equation or inequality. Set of such values is called solution set to the considered equation or inequality.

The considered inequality is:

[tex]2(4x - 3) \geq -3(3x) + 5x[/tex]

Simplifying its both sides, we get:

[tex]2(4x - 3) \geq -3(3x) + 5x\\8x-6\geq -9x + 5x\\8x-6 \geq -4x[/tex]

Adding 4x on both the sides, we get:

[tex]8x-6+4x \geq -4x + 4x\\(8+4)x - 6 \geq 0\\12x -6 \geq 0\\[/tex]

Adding 6 on both the sides, and dividing by 12, we get:

[tex]12x-6 +6 \geq 0+6\\12x \geq 6\\12x/12 \geq 6/12\\x \geq 0.5[/tex]

(some operations like addition, subtraction, multiplication by positive real number or division by positive real number keeps the inequality relation unaltered. With the use of such operations, here we tried to get x on one side, and constants on other side).

Thus, the considered inequality is true for all the values of x which are real numbers bigger or equal to 0.5 (Option A: x ≥ 0.5)

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Factor –8x3 – 2x2 – 12x – 3 by grouping. what is the resulting expression? (2x2 – 3)(4x 1) (–2x2 – 3)(–4x 1) (2x2 – 3)(–4x 1) (–2x2 – 3)(4x 1)

Answers

The factors of the expression are [tex]\rm (4x+1)(-2x^2-3)[/tex]

How to find factors in the expression?

First group the first two terms and the last two terms together respectively.

The factors of the expression are given by;

[tex]\rm -8x^3 -2x^2 - 12x - 3\\\\-2x^2(4x+1)-3(4x+1)\\\\(4x+1)(-2x^2-3)[/tex]

Hence, the factors of the expression are [tex]\rm (4x+1)(-2x^2-3)[/tex].

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what is 11 in + 17 in +23 in + 7.7 in =

Answers

58.7in. I been doing this for a long time in college now trust me it’s right

Answer:

58.7

Step-by-step explanation:

i'v been practicing it since 6th grade.

6) WILL GIVE BRAINIEST TO BEST ANSWER
find the equations use to solve
Graphing!

Answers

Answer:

A: y=-2x-2

B: y=-2x+2

Step-by-step explanation:

A circle has a circumference of 3 meters. What is the circle's radius?
Use 3.14 for pi and round your answer to the nearest tenth.

PLS HELP!!! No links pls and ty <3

Answers

Formula for the circumference of a circle = pi x 2 x radius

Circumference = 3

pi = 3.14

radius = r

---To find the radius, we will need to solve for it. Start by plugging in what we know.

3 = 3.14 x 2 x r

---Simplify by multiplying 3.14 by 2

3 = 6.28 x r

---Divide both sides by 6.28 to solve for r

r = 3 / 6.28 = 0.4777

---Round the decimal to the nearest tenth

r = 0.5

Hope this helps!

Answer:

r=0.5

Solution:Circumference of a circle - C=2πrPlug in the values we are given:3=2πrSimplify:3=6.3rDivide both sides by 6.3:r=0.5

Hope it helps.

Do comment if you have any query.

Find the unknown side length, x. Write your answer in simplest radical form.
A. 4132
B. 22
C. 16/5
D. 16 V13

Answers

Answer:

C

Step-by-step explanation:

Use the pythagorean theorem.

32^2+b^2=48^2

1024+b^2=2304

Subtract 1024

b^2=1280

Square root

b=sqrt(1280)

Now simplify sqrt(1280)

sqrt(1280) = sqrt(256*5)

You can take the square root of 256 since it is a perfect square so take it out of the radical.

sqrt(256*5)=16sqrt(5)

So the answer is c, 16[tex]\sqrt{5}[/tex]

Answer:

C. 16/5

Step-by-step explanation:

pythagorean theorem

a^2 + b^2 = c^2

divide 48 and 32 by 16

a= 2 c= 3

4 + b^2 = 9

b^2 = 5

b = √5

then multiply 16 with √5

which =

16√5

Two angles are supplementary. If angle A is five times the sum of the angle B plus 7. 2, what is angle B

Answers

Answer:

Angle B = 24°

Step-by-step explanation:

Given:

Angles are supplementary Angle A is 5 times the sum of angle B plus 7.2

that means, Angle A = 5 ( Angle B + 7.2 )

Now,

Let Angle B = x (say)

•.• Angle A = 5 ( x + 7.2 )

Supplementary angles are a pair of angles that make sum of 180° .

Therefore, As it is given that the angles are supplementary , the sum of Angle A and Angle B will be equal to 180°.

Angle A + Angle B = 180°

[tex]⇢x + 5(x + 7.2) = 180[/tex]

[tex]⇢x + 5x + 36 = 180[/tex]

[tex]⇢6x = 180 - 36[/tex]

[tex]⇢6x = 144[/tex]

[tex]⇢x = \frac{144}{6} [/tex]

[tex]⇢ \boxed{x = 24}[/tex]

Now, substituting the value of x. . .

Angle B = 24°Angle A = 5( 24+ 7.2 ) = 5( 31.2 ) = 156°

Thus, Angle B comes out 24°

help me please ……………..

Answers

Answer:

I can t see it

Step-by-step explanation:

solve for w and y

w=

y=​

Answers

Answer:

[tex]w = 10 \sqrt{2} [/tex]

[tex]y = 20[/tex]

Step-by-step explanation:

Use the Sine Rule to solve for the unknown sides.

Does the relationship between the number calories and the sodium content in a hot dog appear to be linear?

Answers

It falls in the linear pattern of the rest of the data and observations with unusually small or unusually large values of x have a big influence on the correlation.

can someone help me figure out what 9.2x10^3 is

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Answer:

9200

Step-by-step explanation:

9.2x10^3 is the same as saying 9.2 multiply 10 three times

1 pound = 16 ounces

Solution: ____ ounces

Answers

8 ounces?
Explanation: if 1 pound is 16 ounces and he takes out half of it then 16 divided by 2 is 8: so 8 would be the answer

25 points!
Find the value of X.

Answers

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

In the Triangle BCD, Angle B is 90° since tangent and radius are perpendicular to one another.

Now, let's find Angle C using Angle sum property of a triangle.

[tex]\qquad \tt \dashrightarrow \:\angle C + \angle B + \angle D = 180[/tex]

[tex]\qquad \tt \dashrightarrow \:\angle C + 90 + 45= 180[/tex]

[tex]\qquad \tt \dashrightarrow \:\angle C + 135= 180[/tex]

[tex]\qquad \tt \dashrightarrow \:\angle C= 180 - 135[/tex]

[tex]\qquad \tt \dashrightarrow \:\angle C= 45 \degree[/tex]

Now, we know that Angle made by an arc on the centre is twice the Angle made by same arc on boundary of circle, hence we can infer that :

[tex]\qquad \tt \dashrightarrow \:2\angle C = 10x[/tex]

[tex]\qquad \tt \dashrightarrow \:10x = 2 \times 45[/tex]

[tex]\qquad \tt \dashrightarrow \:x = 90 \div 10[/tex]

[tex]\qquad \tt \dashrightarrow \:x = 9[/tex]

So, the required value of x is 9

5. Are the two triangles shown below similar? If so, name the value of the scale factor.

A. no, these triangles are not similar
B. yes, these are similar. the scale factor is 0.8.
C. yes, these are similar. the scale factor is 0.4.
D. yes, these are similar. the scale factor is 0.6.

Answers

A. no, these triangles are not similar

An ad in the newspaper advertises car tires for $146.50 for a pair. Mr. Tucker needs 3 tires for his truck. How much will he pay for his new tires?

Answers

Answer:

$109.875

Step-by-step explanation:

Assuming "a pair" means 4 tires the math would be as follows:

146.50 for 4 tyres.

146.5/4 = cost of one tyre.

1 tyre: $36.625

Multiply by 3 for price of three tires:

36.625 x 3 = $109.875

Find the equation (in terms of ) of the line through the points (-4,5) and (1,-1)
y =?

Answers

[tex](\stackrel{x_1}{-4}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{1}~,~\stackrel{y_2}{-1}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-1}-\stackrel{y1}{5}}}{\underset{run} {\underset{x_2}{1}-\underset{x_1}{(-4)}}}\implies \cfrac{-6}{1+4}\implies -\cfrac{6}{5}[/tex]

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{5}=\stackrel{m}{-\cfrac{6}{5}}(x-\stackrel{x_1}{(-4)}) \implies y-5=-\cfrac{6}{5}(x+4) \\\\\\ y-5=-\cfrac{6}{5}x-\cfrac{24}{5}\implies y=-\cfrac{6}{5}x-\cfrac{24}{5}+5\implies y=-\cfrac{6}{5}x+\cfrac{1}{5}[/tex]

Represent Real-World Problems If one gallon of paint covers 250 square feet, how many gallons of paint will be needed to cover the shed, not including the roof? If a gallon of paint costs $25, about how much will it cost to paint the walls of the shed? please show ALL of your work. ​

Answers

Answer:

125 dollars

Step-by-step explanation:

i will give 50 points

What percent of children who
are between the ages of 5 and
10 will have their birthday party
at home?

Answers

Answer:

The answer is 12

Step-by-step explanation:

look under the home tab and look at 5-10. There's the answer

The percent of children who are between the ages 5 and 10 will have their birthday party at home is 10.91%.

What is Percentage?

Percentage is defined as the parts of a number per fraction of 100. We have to divide a number with it's whole and then multiply with 100 to calculate the percentage of any number.

Percentage is usually denoted by the symbol '%'.

Given that,

There are total of 325 children in different ages who have their birthday party in different ways.

Number of children in between the ages 5 and 10 = 110

Number of children of the ages 5-10 who have their birthday party at home = 12

In order to find the percentage, divide part with the whole.

Percentage = 12 / 110 = 0.1091

Percentage is 10.91%

Hence the required percentage is 10.91%.

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determine the solution to the system of equations g(x)=3x+2, f(x)=x-4+2

Answers

The solution to the given system of equations is the point (1, 5).

How to solve the system of equations?

Here we have the system of equations:

g(x) = 3x + 2

f(x) = |x - 4| + 2

To solve this, first you can see where the graphs intercept on the graph (the intercept point is the solution to the system)

But we can also solve it analytically. To do it, we have:

g(x) = f(x)

3x + 2 =  |x - 4| + 2

3x =  |x - 4|

Notice that the only solution of the above equation is x = 1, so we know that it is the x-value of the solution.

To get the y-value, we just evaluate one of the two given functions on x = 1.

f(1) = |1 - 4| + 2= 3 + 2 = 5

Then the solution to the system is the point (1, 5).

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At Davidson's Bike Rentals, it costs $17 to rent a bike for 3 hours.
How many dollars does it cost per hour of bike use?
If necessary, round your answer to the nearest cent.
$
per hour

Answers

Answer:

$5.67

Step-by-step explanation:

All you have to do is 17 divided by 3 to figure out how much it costs for one hour, that equals 5.666, but you have to round it to the nearest cent, which equals 5.67. ;)

What is sine in geometry for a right triangle

Answers

Answer:

The ratio of the length opposite to the side of the triangle whose angle is opposite to the length of the hyptoneuse.

What is the sample space for a spinner with four equal sections, numbered 1 to 4?

Answers

Answer:

Step-by-step explanation:

we are given A spinner has six equal-sized sections numbered 1, 1, 2, 2, 3, and 4 Sample space:

the sample space of an experiment or random trial is the set of all possible outcomes or results of that experimentso, we will only unique outcomesso, sample space is S={1,2,3,4}................Answer

these figures are similar. the area of one is given. find the area of the other
I'll give brainliest

also the answer isn't 12

Answers

Answer:

I believe 6in squared is the correct answer

Step-by-step explanation:

Answer:

6

Step-by-step explanation:

6*?=24 in

6*4=24in

if it is 3 in on the smaller one, it also will be 2 so it will be 6.

Hillary can read 560 words in 7 minutes. How many words can Hilary read in 20 minutes?

Answers

Answer:

[tex] \frac{560}{7} = 80[/tex]

[tex]80 \times 20 = 1600[/tex]

Hillary read 80 word every min

so, 80 × 20 =1600 word every 20 min

Help me please.Thank you.
Find the value of the function with the given value.
f(a)= -2a^4+11a^3+5a^2+42 at a=6

Answers

Answer:

6

Step-by-step explanation:

if you plug in and add it all up you get 6

Which expression is equivalent to startfraction 5 y cubed over (5 y) superscript negative 2 baseline endfraction?

Answers

The expression that is equivalent to the given expression is 125y⁵.

The given expression is:

[tex]\frac{5y^{3} }{(5y)^{-2} }[/tex]

What are some important power rules applicable to the given problem?

Some important power rules applicable to this problem are:

1)[tex](ab)^m=a^mb^m[/tex]

2)[tex]\frac{1}{a^{-n} } =a^n[/tex]

So, [tex]\frac{5y^{3} }{(5y)^{-2} } =\frac{5y^{3} }{5^{-2} y^{-2} }[/tex].....by power rule (1)

[tex]=(\frac{5}{5^{-2} } )(\frac{y^3}{y^{-2} })[/tex]

[tex]=5^3y^5[/tex].....by power rule(2)

[tex]=125y^5[/tex]

Hence, the expression that is equivalent to the given expression is 125y⁵.

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Hannah is experimenting with a new drawing program on her computer. She created quadrilateral MATH with coordinates M(1, 2). A(-5, 3), T(- 6,-3), and H(0,- 4). Hannah believes that she has created a square. Prove that Hannah is correct.

Answers

The square MATH has equal side lengths MA, TH, AT and HM

Hanna's claim is correct because

The side lengths are equal.Opposite sides have the same slopeThe slopes of adjacent sides are opposite reciprocals

How to prove that Hannah is correct?

The coordinate points are given as:

M(1, 2), A(-5, 3), T(-6,-3), and H(0,- 4).

Calculate the side lengths of the square using the following distance formula

d = √[(x2 - x1)^2 + (y2 - y1)^2]

So, we have:

MA = √[(1 + 5)^2 + (2 - 3)^2] = √37

AT = √[(-5 + 6)^2 + (3 + 3)^2] = √37

TH = √[(-6 + 0)^2 + (-3 + 4)^2] = √37

HM = √[(0 - 1)^2 + (-4 - 2)^2] = √37

The side lengths are equal.

Next, we calculate the slopes using:

m =(y2 - y1)/(x2 - x1)

So, we have:

MA = (2-3)/(1+5) = -1/6

AT = (3+3)/(-5+6) = 6

TH = (-3+4)/(-6+0) = -1/6

HM = (-4-2)/(0-1) = 6

See that opposite sides have the same slope

i.e MA = TH and AT = HM

And adjacent sides have their slopes to be opposite reciprocals

i.e. MA = -1/AT and TH = -1/HM

The calculated distances and slopes implies that Hanna's claim is correct

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