i think it’s #1 but what’s the work?

I Think Its #1 But Whats The Work?

Answers

Answer 1
You have to divide first then subtract
Answer 2
You correct the answer is 1

Because sin^-1(-2/5)=-23.578
Plug in cot theta = -2.29
which is approximately equal to 1

So you are right option 1 is correct

Related Questions


1. Find the unknown length of the side labeled X.

Answers

Answer:

Step-by-step explanation:

Given the figure below with mBFA = 166° and mBD = 88°, what is Help

Answers

Answer:

it should still be 166

Step-by-step explanation:

because bfa should be the same as bda

that's what i learnt about this

but i did this a long time ago so im about 70 percent sure that this is correct

I need help on this question I don’t get what it’s asking what so ever

Answers

Answer:

y=4

Step-by-step explanation:

The question is asking what is the value of y:

Since all lengths have a dash on them they are all equal :

So 3y = y+8

3y = y + 8

First we subtract y from both sides:

3y-y = y+8-y

2y = 8

Divide both sides by 2:

2y÷2 = 8÷2

y = 4

Answer:

Step-by-step explanation:

The question is asking you to find the value of y in a square.

A square has same length in all sides so we can achieve that:

y+8 is equal to 3y

simplifying that, we find out the answer is 4. How?

We have previously acheived that:

y+8=3*y

So we need to find y using these steps:

1. Subtract 3y from both sides:

y+8−3y=3y−3y

−2y+8=0

2. Divide both sides by -2:

y=4

 

A road is 4350m long, correct to the nearest 10 metres. Kirsty drove along the road in 205 seconds, correct to the nearest 5 seconds.
The average speed limit for the road is 80km/h
Could kirsty’s average speed have been greater than 80km/h?

Answers

Kirsty's Average speed is not greater than 80km/h

What is speed?

Speed is the rate of change of distance.

Analysis:

length of road = 4350m = 4350/1000km = 435/100km

time taken = 205 seconds = 205/3600 hour

Her Speed = 435/100 ÷ 205/3600 = 435/100 x 3600/205 = 76.4km/h

In conclusion, Kirsty's average speed is not greater than 80km/h.

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AABC is equilateral.
AB = 11x and AC = 3x + 64.
=
PLEASE HELP

Answers

X= 8 because 11x= 3x + 64 since they are the same variable you can subtract 3x from 11x which gives you 8x so 8x = 64 and 8x/8= x and 64/8 = 8 so x=8

Which of the following expresses a potential difficulty with preference ballots?

Preference ballots only list one candidate per elected position.

Preference ballots are seldom used and difficult to produce.

The results of preference ballots can be time-consuming to compile.

It is easy to commit voter fraud by falsifying preference ballots.

Answers

The results of preference ballots can be time-consuming to compile

The potential difficulty with preference ballots expressed in the given options is: The results of preference ballots can be time-consuming to compile.

What is preference ballot?

A preference ballot is a type of ballot used in elections where voters indicate their order of preference for the candidates or options listed on the ballot.

Instead of simply selecting one option, voters rank the options in order of their preference, usually by indicating a first-choice, second-choice, and so on.

Preference ballots require more complex calculations to determine the winner, especially when there are more than two candidates. This can result in delays in announcing the results and can be time-consuming to compile.

Thus, this can result in delays in announcing the results and can be time-consuming to compile.

For more details regarding preference ballots, visit:

https://brainly.com/question/31264096

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If B is the midpoint of AC, and AC=8x-20,find BC

Answers

Answer:

BC = 0.5 * AC

Step-by-step explanation:

Since B is the midpoint

Elaine has three types of nuts, peanuts, cashews and almonds, that she combines and stores in a large container: There are three times as many ounces of peanuts as of cashews. There are 5 more ounces of almonds than cashews_ The total weight of the mixed nuts is 20 ounces: How many ounces are there of peanuts?'

Answers

Answer:

There are 9 ounces of peanuts

Make the ounces of cashews equal to three, and this works! Don’t know the math otherwise :|

The scale of a model train is 1 inch to 15 feet. One of the cars of the model train is 3.7 inches long. What is the length, in feet, of the actual train car?

Answers

Answer:

35.7

Step-by-step explanation:

1 inch = 15ft

15x3= 35

and the .7 is added

35.7 ft I think

Can somebody help me with this?

Answers

Answer:

slope = 4/5

Step-by-step explanation:

Take any two points:

(5, 1) & (10, 5)

The slope

[tex]m=\frac{5-1}{10-5} =\frac{4}{5}[/tex]

Hope this helps

Answer:

4/5 is the slope of the line

What is the area of the polygon? 30cm 21cm 14cm 46cm

Answers

Answer:

1,044

Step-by-step explanation:

14 x 46 = 644

16 x 25 = 400

644 + 400 = 1,044

Which equation has a vertex at (0, 5) and focus of (three-halves, 5)?

x = three-halves (y minus 5) squared
x = negative three-halves (y minus 5) squared
x = StartFraction 1 Over 6 EndFraction (y minus 5) squared
x = negative StartFraction 1 Over 6 EndFraction (y minus 5) squared

Answer: C

Answers

Answer:

C

Step-by-step explanation:

Edge 2021

Answer:

C

Step-by-step explanation:

Explain the error and solve with correct step.

-5x + 9 - 9x < 21

-4x + 9 < 21

-4x < 12

x > -3

Answers

i don’t know i have a feeling it has to do something with the -4

Find the volume of a cone with a diameter of 6 and a height of 16

Answers

Answer:

150.79645

Step-by-step explanation:

Fist of all half of your diameter is your raduis which is how you get three

V=πr2h3=π·32·163≈150.79645

Answer:

150.8

Step-by-step explanation:

v= (πr^2h)/3

r=6/2=3

3^2xπx16=ans

ans/3=150.8

l i k e i s a i d 8th grade math

Answers

Answer:

A.

Step-by-step explanation:

In a direct proporton, the ratio of one quantity to teh other is a constant.

Let's divide each number of crystals by each number of pounds:

7/14 = 1/2

14/28 = 1/2

21/42 = 1/2

28/56 = 1/2

The ratio of crystals to pounds is always 1:2.

This is a proportional relation.

Answer: A.

Use the bar graph below to answer the following question.
Which girl is the shortest?

Answers

Answer:

ling

Step-by-step explanation:

you just have to compair the girls

and from the bar gragh ling is he sortest.

What is BC?


Enter your answer in the box.

Answers

Answer:

BC = 25

Step-by-step explanation:

I'm gonna assume that the triangle is an isosceles triangles, so sorry if this doesn't help!

4x + 1 = 2x + 23

2x + 1 = 23

2x = 22

x = 11

3(11) - 8

33 - 8

= 25

5.000g rounded to the nearest whole gram

Answers

5.0000 would not change the value because there is 0 in the decimal place value so, the answer is 5

Answer:

5 g hope this helps

Cathys playing a board game the game pieces are each in the shape of a triangle a triangle has a base of 1.5 inches in height of 2 inches what is the area of the pieces

Answers

Answer:

1.5

Step-by-step explanation:

Area of a Triangle = b x h /2

2 times 1.5 is 3, divided by 2 is 1.5

HELPPPPPPPPPPP
NO LINKS

Answers

Answer:

Point W is [tex](-5,-4)[/tex]

Point Z is [tex](-5,6)[/tex]

Hope This Helps! :) Please Give Brainliest if you can!

Answer: Point W is (5, -4 Point Z is (-5,6)

pls help me !!

a sector of a circle has a central angle measure of 90°, and an area of 7 square inches. what is the area of the entire circle?

area of the circle = __ square inches

Answers

Step-by-step explanation:

area of circle - pie x r x r

22/7 x 7/2 x 7/2 ( 7 as diameter because it's straight line passing through centre)

77/2 is the sq inches

Long-billed curlews eat many different kinds of insects, including grasshoppers, as a source of food. It has been shown that pesticide use kills many of these insects. How would you expect an increase in pesticide use to affect to the population of long-billed curlews in the same area

Answers

An increase in the use of pesticides in the same area would lead to the population of long - billed curlews decreasing.

How will the population of long-billed curlews be affected by pesticides ?

An increase in pesticide use that kills many of the insects that long-billed curlews eat, such as grasshoppers, would likely have a negative impact on the population of long-billed curlews in the same area.

Since grasshoppers and other insects are a primary food source for long-billed curlews, a decline in insect populations due to pesticide use could lead to reduced food availability and increased competition for remaining food sources. This could lead to decreased population size and potentially even local extinctions.

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find x - Please help and hurryy!!
thank you

Answers

4 X + z = 90- 35 = 55°

4X = 55 - Z

X= (55 - Z) / 4

Further cannot be done.

Please Help ! What is the slope of the line?

Answers

Answer:

There are 3 ways to find the slope of a line.

I'll use a simple method.

First, let's look at a random point on this line(and make sure it's close to the start of the line).

I'll choose (1,4).

Then, see how much it rises and how far it runs to another fixed point.

Though, in this case we can see that the rise is going down and the run is moving towards the right. So, the slope will be negative since the rise is negative.

You always want to confirm if it'll be a negative or positive slope and which direction the slope is guiding you to.

Now, if we go down 8 and over 3, we'll reach a fixed point of (4, -4).

Therefore, we can infer that the slope of this line will be 8/3.

Answer:

8/3

Step-by-step explanation:

rise over run, only clearly intercepts a point twice.

=
In the accompanying diagram of isosceles triangle ABC,
AB = BC, mZBAC = x, and mLABC = x + 30.
What is the value of x?
B
(x + 30)
A
The value of x is
The measure of the vertex angle is
degrees.

Answers

Answer:

x = 50

Step-by-step explanation:

The sum of interior angles in a triangle is equal to 180

Since triangle ABC is an isosceles triangle the measure of <c is also = x

x + x + x + 30 = 180 add like terms

3x + 30 = 180 subtract 30 from both sides

3x = 150 divide both sides by 3

x = 50

For any value of x, the sum
3
∑ k(2x-1)
k=0
is equivalent to

Answers

The equivalent value of the sum for any value of "x" is 12x - 6

How to find the sum of functions?

Given the sum of the expression as:

3

∑ k(2x-1)

k=0

We need to take the sum of the function at the point where k = 0 to 3

3

∑ k(2x-1) = 0(2x-1) + 1(2x - 1) + 2(2x-1) + 3(2x - 1)

k=0

3

∑ k(2x-1) = 2x-1+4x-2+6x-3

k=0

3

∑ k(2x-1) = 12x - 6

k=0

Hence the equivalent value of the sum for any value of "x" is 12x - 6

Learn more on sum functions here: https://brainly.com/question/24295771

Answer correctly with good explanation. Please and thank you

Answers

Answer:

The cost is $352.80

Step-by-step explanation:

step 1. 14 * 12 = 168 ----> find out the area (base times height)

step 2. 168 * 2.10 = 352.80 -----> multiply the area with the cost of per square foot of the carpet

I hope this helped :))

Writing Expressions and Equations the product of 6 and 11

Answers

Answer:

The product of 6 and 11 is 66

But what is the reason for this?

The product of two or more numbers is the same as multiplying those numbers together. The product will always be the result.

[tex]6 * 11 = 66~or~66 / 11 = 6[/tex]

Notice how the division problem is just the multiplication problem backwards, for the purpose of better understanding.

Hence, the correct answer is 66

Hey.. I’m really stuck on this page of homework, can anyone help?

Answers

Answer:

Easy!

Step-by-step explanation:

All you have to do is..       Percentage = (number you want to find the percentage for ÷ total) × 100. Move the decimal point two places to the right to convert from a decimal to a percentage, and two places to the left to convert from a percentage to a decimal.

Hope this helps :)


Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range
y = x + 2x - 5

Answers

Answer:

d. D: allreal numbers

R: y>= -6

Step-by-step explanation:

You are allowed to use a graphing calculator to see the graph. See image.

This curve is a parabola. Upward and downward opening parabolas have a domain of all real numbers. Any x can be found on the graph and/or any x can be used in the equation without limit. That's "all real numbers"

See the graph does not exist below -6. Range is all the y's on the graph and/or all the possible y's the equation will spit out. Here we can clearly see the graph only exists from -6 and up. Range is y>= -6.

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