I need this ASAP please!!!!

I Need This ASAP Please!!!!

Answers

Answer 1

Answer:

I think B is the answer ..........

I Need This ASAP Please!!!!
Answer 2
360 - 330 = 30
Tan30 = sqrt(3)/3
Cot is 1/Tan
1/sqrt(3)/3
Divide
3/sqrt(3)
Can’t have square root on the bottom so multiply by sqrt 3
3sqrt(3)/3
Simplify
Sqrt(3)

Related Questions

Two of the dozen eggs in a carton
are cracked. About what percent of the
carton is cracked?

Answers

Answer:

17%

Step-by-step explanation:

2/12 or the eggs are cracked. That means 1/6 of the eggs are cracked.

1/6 approximately equals 0.167

So, it is approximately 16.7%, or if you round it up, 17%.

Answer:

16.67 %

Step-by-step explanation:

two of a dozen is 2/12 simplified is 1/6 and 1/6 in a percentage is 16.67%

-3x-2y-3z=5

x+2y-z=-19

-2x+y-2z=1

Answers

9514 1404 393

Answer:

  (x, y, z) = (-9, -1, 8)

Step-by-step explanation:

My calculator tells me the reduced row-echelon form of ...

  [tex]\left[\begin{array}{ccc|c}-3&-2&-3&5\\1&2&-1&-19\\-2&1&-2&1\end{array}\right][/tex]

is ...

  [tex]\left[\begin{array}{ccc|c}1&0&0&-9\\0&1&0&-1\\0&0&1&8\end{array}\right][/tex]

This means the solution is (x, y, z) = (-9, -1, 8).

_____

Additional comment

In case you haven't learned how to use your graphing calculator to solve matrix equations, you can solve this system easily as follows:

Subtract 2 times the first equation from 3 times the third equation. This eliminates the x and z terms and gives you the value of y. (y=-1)

Substitute that value into the first and second equations. This gives you two equations in the sum and difference of x and z. (You may need to divide the coefficients by the common factor.) Add these sum and difference equations to find one of the variables, then substitute to find the other.

NO LINKS PLEASE HURRY I REALLY NED HELP!!!

Answers

Answer:

{5 + [-5(2 - 4) : 2]}.4 = 40/ 1  = 40

Step-by-step explanation:

Subtract: 2 - 4 = -2

Multiple: -5 * the result of step No. 1 = -5 * (-2) = 10

Divide: the result of step No. 2 : 2 = 10 : 2 = 5

Add: 5 + the result of step No. 3 = 5 + 5 = 10

Multiple: the result of step No. 4 * 4 = 10 * 4 = 40

i hope this helps :)

5.1 km/h to mph. Round to the appropriate number of significant digits.

Answers

Step-by-step explanation:

Given-

5.1 km/hr

Relation bween mph and km :-

[tex]1 \: mph = 1.609 \: km[/tex]

So,

[tex] \frac{5.1 \: km}{1 \: h} \times \frac{1 \: km}{1.609} = 3.17 \: mph[/tex]

Therefore, the answer is 3.17 mph.

The students in Ms. Hill’s class are reading a 325-page book. There are about 90,000 words in the book.
Ms. Hill said the students should try for a reading rate of 200 words per minute for greatest comprehension.

Molly read 65 pages of the book in 80 minutes. What's Molly's reading rate?

Answers

Answer:

225

Step-by-step explanation:

(90000÷325)×65=18000

18000÷80=225

reading rate of 225 words per minutes

Please help for 10 and 11.

Answers

Answer:

10:A 11:D

Step-by-step explanation:

10)

g([tex](\sqrt{x+1}^2+3)/(\sqrt{x+1} )[/tex]

rewrite [tex]\sqrt{x+1}^2[/tex] as x +1

g [tex](\sqrt{x+1}^2)[/tex] = [tex]\frac{x+1+3}{\sqrt{x+1} }[/tex]

add 1+3

g[tex](\sqrt{x+1}^2)[/tex]=[tex]\frac{x+4}{\sqrt{x+1} }[/tex]

combine and symplify

[tex]g{\sqrt{x+1} } *\frac{{x+4 (\sqrt{x+1}) } }{{x+1} }[/tex]

reorder factors of the second side

[tex]g{\sqrt{x+1} } *\frac{{\sqrt{x+1} (x+4) } }{{x+1} }[/tex]

take out the root x+1

and you are left with A

11.

f(g(x))

substitue g into f

f([tex]f{\sqrt{x+3} } =\((\sqrt{x+3})^2 +9}[/tex]

rewrite sqrroot x+3 as x+3

[tex]f{\sqrt{x+3} } =\(x+3 +9}[/tex]

Now add 3+9

[tex]f{\sqrt{x+3} } =\(x+12}[/tex]

we get x+12

Now for domain

[tex]f{\sqrt{x+3} } =\((\sqrt{x+3})^2 +9}[/tex]

set the radicand root sqr x+3 >= 0 to find the expression defined

[tex]x+3\geq 0[/tex]

subtract 3 from both sides

[tex]x\geq 3[/tex]

turn it into interval notation

[-3,+∞)

The solids are similar. Find the volume of solid B. Write your answer in terms of pi.​

Answers

Now, I’m not sure if I’m right because I’m not in college, but I’m pretty sure for solid A you divide the area which is 12 times the volume which is 4608. We do this because the volume of a cylinder is a•h but since we don’t know the height we divide. So after dividing I got 384. And since the solids are supposedly similar you will multiply the area of solid B which is 15 times 384 which equals 5,760. So the volume of solid B is 5,760 pi in.^3… (let’s hope this is correct)

7. You earn $7.80 an hour working as a dog sitter. You work 12.5 hours
during the weekend. How much money do you makely
7.8
PLEASE SHOW THE WORK

Answers

Answer:

la app es la mejor gracias

Step-by-step explanation:

kzemwmqoqlwmlzosmiw k wlwlqmwnqlqnqnnqnw b ww wnqkq n1 11nn1n1k1k1kwnwmwnwy7juhhhjuyyhhhhhyujhhhyjyyyyyynwnqkwnbu. u u. ininikwmwmw

What is the missing term of the geometric sequence below?
7, ?, 63,...

A: 28
B: 3
С: 35
D: 21

Answers

9514 1404 393

Answer:

  D: 21

Step-by-step explanation:

The first term is (a1). The third term is (a1)r². The product of these terms is ...

  (a1)(a1)r² = ((a1)r)², the square of the second term.

The missing term is √(7·63) = √441 = 21.

_____

Additional comment

In consideration of the above, you can also see that the common ratio can be found from ...

  a3/a1 = ((a1)r²)/(a1) = r² = 63/7 = 9

Then the common ratio is r = √9 = 3, and the second term is 7·3 = 21.

What is the equation of the blue line

Answers

Answer:

y = - 3x - 1

Step-by-step explanation:

Slope = 3/-1 = -3 (rise/run)

y-intercept= -1

y = -3x - 1

Algebra 2 help needed....

Answers

Answer:

Step-by-step explanation:

We actually don't need to know all of the restrictions.

We know that a vertical stretch factor of 4 means multiplying a square root function by [tex]4[/tex]. So, the answer will be in the form [tex]y=4\sqrt{x+c}+k[/tex], where c and k are real numbers.

Aha! Only one of these conditions satisfy the restrictions, so we have that [tex]\boxed{y=4\sqrt{x+3}+7}[/tex] has to be the answer.

Help me please help me help please

Answers

Answer:

[tex] \frac{9 - 15}{2 - 0} = \frac{3 - 9}{4 - 2} = - \frac{6}{2} = - 3[/tex]

HELPPP PLEASE ILL GIVE BRAINLIEST

Answers

Answer:

D. 13 x 9

Step-by-step explanation:

12 11/16 is closer to 13 than 12.

8 3/4 is closer to 9 than 8.

Hopefully this helps!

Brainliest please?

-5/2x-19/10

Plss Answer this in fraction form, and simplified, I can't figure it out!

Answers

Answer:

= -25x-19/10

Step-by-step explanation:

Javier says that when you add a positive and a negative number the sum is always negative. is Javier or statement true or false explain your reasoning​

Answers

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The Above statement is incorrect, because if the positive number is equal to the numerical value of negative number then their sum will be zero, and If the numerical value of positive number is greater than that of negative number then the sum will be a positive number, so the probability is of both three, the sum can be positive, negative as well as zero.

Answer:

The above statement is false.

Explanation:

If the positive number is greater than the negative, then it will stay positive.

Rajan had Rs. 6000 in his bank account on a particular day. A week later he deposited Rs. 1500 and next day, he had to withdraw 1/3 of his total balance. Find his balance amount in he bank after withdrawal.

step by step plzzz ​​

Answers

Answer:

After depositing rs. 1500 ratan got rs. 7500 in his bank account. When he withdrew 1/3 of 7500, he withdrew rs. 2500 from his bank account.. so left amount in bank is 7500-2500= 5000 rupees

Step-by-step explanation:

brainliest

a) 6 * (-3)
b) (-5) x4
c) (-9) * (-2)

Answers

Answer:

A:-18

B:-20

C:18

Step-by-step explanation:

find the slope of (1,-11) and (-2,-4)

Answers

Answer:

The slope of (1,-11) should be 3 and the slope of (-2,-4) should be 0

Step-by-step explanation:

Actually im unsure please dont use this I thought I knew!

Simplify the following expression:
4n − m + 3p + 2m − n − p

3n + m + 2p
3n + 5m − 2p
5n + 3m + 4p
5n + m − p

Answers

Answer:

-3/y+3 +1/-2y

x-2>3

9(-10-10y)

Fill the table so it represents a linear function

Answers

Answer:

Hey mate.....can't see the attached picture....please check again

Answer:

what table??

Step-by-step explanation:

A jar has 20 marbles: 3 green, 12 blue, 5 red.

What is the probability of randomly choosing a green marble after you have chosen red?

Answers

Answer:

0,40789

Step-by-step explanation:

To pick 1 red marble (from 5 red) from all 20 marbles is 5/20 = 0.25

To pick 1 green marble (from 3 green) from 19 because we already took red marble is 3/19 = 0.15789

The probability of randomly choosing a green marble after you have chosen red is 3/68.

Given

A jar has 20 marbles: 3 green, 12 blue, 5 red.

Probability;

In probability theory, an event is a set of outcomes of an experiment or a subset of the sample space.

The total number of marbles = 20

The number of green marbles= 3

The number of blue marbles = 12

The number of red marbles = 5

The probability of choosing a red marble = Number of red marbles / Total number of marbles

= 5/20

The probability of choosing a green marble is =  Number of green marbles / New total number of marbles

= 3/19

Therefore,

The probability of randomly choosing a green marble after you have chosen red is;

[tex]\rm=\dfrac{5}{20}\times \dfrac{3}{19}\\\\=\dfrac{1}{4}}\times \dfrac{3}{19}\\\\ = \dfrac{3}{68}[/tex]

Hence, the probability of randomly choosing a green marble after you have chosen red is 3/68.

To know more about probability click the link given below.

https://brainly.com/question/743546

a brick of himalayan salt measures 20x10x4 and weighs 1 kg and 600 gs what is its density

Answers

Answer:

t and the tree is the relationship of

A brick of himalayan salt measures 20 x 10 x 4 and weighs 1 kg and 600 gs. then the density will be; 0.002 kg/cubic unit.

How are density, volume and mass of a substance related?

Density is like rate. It tells you how much of a thing is available for each unit other thing which contains the first thing. Suppose that a finite amount of substance is there having its properties as:

mass of substance = m kg

density of substance = d kg/m³

volume of that substance = v m³

Then, they are related as:

d = m/v

Given that a brick of himalayan salt measures 20 x 10 x 4 and weighs 1 kg and 600 gs.

Density = Mass / Volume

Density = 1.6 kg / 20 x 10 x 4

= 0.002 kg/cubic unit.

Learn more about mass, volume and density relation here:

https://brainly.com/question/952755

#SPJ2

What is the whole story about? An uncomfortable bed and Tell tale heart

Answers

answer →a murder most heinous and a narrator who fights his insanity

explanation: I read the book in cass



Find the mean for this series of numbers.

15 40 10 40 30
mean =

Answers

Answer:

27

Step-by-step explanation:

15+40+10+40+30=135.

135÷5 I.e the total average of the number.

135÷5=27

Answer:

27

Step-by-step explanation:

15+40+10+40+30=135

135/5

Because 5 is the number of numbers

=27

help me please!! 50 points

Answers

Answer:

pls mark as brainliest and follow

pwease help i also giving another brainliest

Answers

Answer:

9.45 (Jill)

Step-by-step explanation:

2.7 x 3.5 = 9.45

Lisa put the decimal in the wrong spot.

If plane is going with 90 km per hour speed then in 35 minutes how much distance will it cover?​

Answers

Answer:

52.5 Km

Step-by-step explanation:

90:60*35=

1.5 * 35=

52.5 Km

Answer:

52.5 km/h

Step-by-step explanation:

convert in m/s

90km×1000m=90000m

1hr=3600sec

9000m÷3600sec÷35m/s

35m/s×60÷2100

35m/s×2100÷52500

52500m÷1000m=52.5km

Explain how you can estimate [tex]\sqrt{40[/tex]
i will give brianleist ifd you anserw

Answers

Answer:

Step-by-step explanation:

You can find the perfect squares that are closest to this by listing the perfect squares and seeing which two this square would be between, which is the square root of 36 and the square root of 49:

[tex]\sqrt{36} < \sqrt{40} < \sqrt{49}[/tex]

pls helppppppppp meeeeee

Answers

Answer: C

Step-by-step explanation:

No matter how big the number you are dividing by you cannot go below 0.

(positive division)

so that rules out A & B.

(D) 10 - 100 = -90.

(C) 1 - 100 = -99.

C has the least value.

Calculator
Grant reads a story about a turtle that swam 25 feet in 40 seconds. He assumes the time, t, that it takes the turtle to swim a distance of d feet is a proportional relationship, Grant
starts to create the table shown for other times and distances the turtle swims.
Enter the missing numbers in the table to represent the proportional relationship
Time
(seconds)
Distance
(feet)
1
10
30
40
25

Answers

Answer:

100

Step-by-step explanation:

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