Answer:
C. tan(30°)
Step-by-step explanation:
edge yuh yuhhhhh
The equivalent fraction is [tex]\frac{sin 40\textdegree. {cos10\textdegree} - {sin 10\textdegree}{cos40\textdegree}}{{cos 40\textdegree. {cos10\textdegree} + {sin 10\textdegree}{sin40\textdegree}}}[/tex].
The given expression is tan 40°-tan 10°/1+tan 40°.tan 10°.
How do simplify the trigonometric expression?When simplifying trigonometric expressions, one approach is to change everything into sine or cosine.
Now, [tex]\frac{\frac{sin40\textdegree}{cos40\textdegree} -\frac{sin10\textdegree}{cos10\textdegree}}{1+\frac{sin40\textdegree}{cos40\textdegree} .\frac{sin10\textdegree}{cos10\textdegree} }[/tex]
=[tex]\frac{sin 40\textdegree. {cos10\textdegree} - {sin 10\textdegree}{cos40\textdegree}}{{cos 40\textdegree. {cos10\textdegree} + {sin 10\textdegree}{sin40\textdegree}}}[/tex]
Therefore, the equivalent fraction is [tex]\frac{sin 40\textdegree. {cos10\textdegree} - {sin 10\textdegree}{cos40\textdegree}}{{cos 40\textdegree. {cos10\textdegree} + {sin 10\textdegree}{sin40\textdegree}}}[/tex].
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What are the terms and like terms?
1. 3n + 7 - n - 3
Answer:
3n and -n
7 and -3
Step-by-step explanation:
Emily read 24 fiction books and 2 nonfiction books. What is the ratio of the number of fiction books she read to the total number of books that she
read?
Answer:
12:1 or 1:12
Step-by-step explanation:
For every 1 non fiction there is 12 fiction or for every 12 fiction there is 1 non fiction
The required ratio of the number of fiction books she read to the total number of books that she read is 12 / 13.
Given that,
Emily read 24 fiction books and 2 nonfiction books.
To determine the ratio of the number of fiction books she read to the total number of books that she read.
The ratio can be defined as the comparison of the fraction of one quantity towards others. e.g.- water in milk.
Here,
Number of fiction books = 24
number of nonfiction books = 2
Total number of books = 24 + 2 = 26
The ratio of a fiction book to the total number of books,
= 24 / 26
= 12 / 13
Thus, the required ratio of the number of fiction books she read to the total number of books that she read is 12 / 13.
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1. Evaluate the following numerical expressions. Problem Set a. 2+(-3) +7 b. )-4-1 d. -10 = 2 + 3 C. Ni 2x2 e. (8) + 2 f. 3+(-4)-1 2. Which expressions from Exercise 1 are equal?
Answer:
A equals 12
B equals 3
C equals 3+2+(-5)
E equals 4 NI
F equals -7+(-12)=19
Step-by-step explanation:
For A, you have to do the parenthesis first. I did 2+(-3) which equals -5. Then, I added the 7 to the five and got 12. The reason that it is not 12 is because the +7 is greater than the -5.
For B, I got -3 because -4 - (-1) equals 3. The reason that it is three is because when you look at the positive negative chart, you can see that negative and negative equal positive. So, the answer would be 3.
For E, I got 4 NI because when I multiplied the 2*2 I got 4 then you add the numerals Ni. I am not 100% on this problem, that is kind of my guess.
Finally for F, I got 19. My equation above explains it. Once again, you have to add the parenthesis first, so, -7+(-12) equals 19. Like I said above. If you look at the negative positive chart, the number would be positive because both numbers are negative.
I forgot C above, so here it is. For C, I got the equation above by putting the numbers together. For instance, in the problem on the side, for C, it says -10=3+2. If you just add 3+2, you are going to get 5. I added negative five to it and there you go, you get negative ten.
The first and second problems are equal because 3 goes into 12 equally.
Help i'm in a hurry!!! first gets brainliest!!!!!!!!!!!!!!!!!!!
Help on the second one pls!
Answer:
THX FOR AWNSERING
Step-by-step explanation:
Given the quadratic equation below, the standard form of it is
Answer:
Step-by-step explanation:
2x^+9x=10
2x^2+9x-10=0 is standard form
CLICK ON THISS!!!!!!!!
Answer:
I did itttttt:0
Step-by-step explanation:
Thanks for free points
Solve by the substitution method. 7x+8y=10 -3x+y=9
Answer:
Point form: (-2,3)
Equation form: x= -2, y=3
Step-by-step explanation:
Hope it helps!
Find m. Please guys I really need your help :(
Answer:
[tex]m=\sqrt{2}[/tex] inches
Step-by-step explanation:
From the diagram, it is given that the triangle is a right angle isosceles triangle (angles are 45°, 45° and 90°). This means that the two shorter sides of the triangle are equal in length and that the side [tex]m[/tex] can be found by using the Pythagorean theorem [tex]a^{2}+b^{2}=c^{2}[/tex].
[tex]m^{2}+m^{2}=2^{2}[/tex] (The two shorter sides of the triangle are equivalent)
[tex]2m^{2}=4[/tex]
[tex]m^{2}=2[/tex]
[tex]m=\sqrt{2}[/tex] inches
I hope this helps :)
Zoe bought 1.5 pounds of apples for $3.50 per pound. She wanted to find the total cost using partial products.
Part A
Drag all of the partial products into the box that Zoe needs to solve the problem.
0.18
3
0.25
0.5
1.5
0.05
Part B
Solve the equation and then select the correct answer to complete the statement.
Zoe spent $
____
on apples
please put them in order on dragging.
Zoe spent "$5.25" on apples. A further solution is below.
As we know,
[tex]1 \ pound = 3.50[/tex]Now,
→ [tex]M = 3.50 P[/tex]
here,
M = MoneyP = Poundsthen,
By substituting the value, we get
→ [tex]M = 3.50\times 1.5[/tex]
→ [tex]= 5.25[/tex] ($)
Thus the above answer is correct.
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Tamara finds the sum of two number cubes rolled at the same time. The chart below shows all possible sums from the 36 possible combinations when rolling two number cubes. How many times should Tamara expect the sum of the two cubes be equal to 8 if she rolls the two number cubes 252 times?
Answer:
Around 20
Step-by-step explanation:
because out of 36 you can get 6 five times. Then you divide. 252 by 36 and get four do you multiply 5 times 4
Answer:
20
Step-by-step explanation:
A rental car company charges drivers a flat fee to rent a car plus $0.25 for each mile they drive. If a driver pays
$100 and drives 160 miles, which equation can he use to find his total cost y in terms of the number of miles
driven x? SELECT ALL THAT APPLY
y = 25.2 + 100
y = .25x+ 140
y = .25x + 160
y - 100 = 25(x – 160)
0.25x + 100y = 160
25x – y = 14000
Answer: y-100= 0.25(x-160)
Step-by-step explanation:
Given: Charge per mile = $0.25
Total amount driver pays = $100
Number of miles he drove = 160 miles
Total cost = Flat fee + ( Number of miles he drove) (Charge per mile) ...(i)
i.e. 100= Flat fee + (160)(0.25)
⇒ Flat fee = 100 - (160)(0.25)
If y= total cost , x= number of miles, then
y= ( 100 - (160)(0.25))+ (x)(0.25) [Substitute value of flat fee in (i)]
⇒ y= 100 - (160)(0.25)+ (x)(0.25)
⇒ y-100= (x)(0.25)- (160)(0.25)
⇒ y-100= 0.25(x-160)
Hence, the required equation: y-100= 0.25(x-160)
please help! multiple choice! will give brainly
Answer: 3
Step-by-step explanation: cant see other graphs
Mariah is making goody bags for a party. She has 24 bottles of nail polish and 48 tatoos. What is the greatest number of goody bags she can make so that each bag has an equal amount of each item with nothing left over?
blank + 5 = -2
help please
Answer:
-7+5=-2
blank= -7
Explanation:
Hope this helps.
Write the point-slope form of the glven line that passes through the points (0,-3) and (4,1). Identity (x, y) as (0, -3).
Include your work in your final answer. Type your answer in the box provided to submit your solution.
What is the value of 2x+3y when x=5 and y=2 ?
Answer:
16
Step-by-step explanation:
2(5) + 3(2)=
2x5=10
3x2=6
10+6=16
The value of the expression 2x+3y, when x = 5 and y = 2 is 16.
What are substitution and numerical expression?Substitution in mathematics is when we replace some specific numerical values to variables according to our wants or given in the problem.
A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.
Given, we have to find the value of the expression 2x+3y,
when x = 5 and y = 2.
To obtain the value of 2x+3y, when x = 5 and y = 2 we'll substitute 5 in place of x and 2 in place of y.
2x + 3y.
= 2(5) + 3(2).
= 10 + 6.
= 16.
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what is mix media art
Answer:
In visual art, mixed media is an artwork in which more than one medium or material has been employed. ... Mixed media art, a visual art, is distinguished from multimedia art which combines visual art with non-visual elements, such as recorded sound, literature, drama, dance, motion graphics, music, or interactivity.
Step-by-step explanation:
hope this helps u, sorry if it doesn't.
Answer:
mix media is an artwork in which more than one medium or material has been employed
what’s the slope for this lines i need help please
Answer:
where is it
Step-by-step explanation:
Ugh
A shirt at the store is being offered at a 10% discount. If the original price of the shirt is x, which answer
choice shows an expression that represents the discounted price of the shirt?
0.90x
X + 0.10x
1.10x
0.10x
Answer:
0.90x
By the way, I'm just answering people random questions. I'm not going to write the step by step but the answer.
Sorry :/
Translate the sentence into an equation.
Five times the sum of a number and 8 equals 2.
Use the variable c for the unknown number.
Answer:
5 (c + 8) = 2
Step-by-step explanation:
:D
BRAINLIEST APPRECIATED
P(x) is a polynomial. Here are a few values of P(x).
P(-6) = 3
P(-4) = -1
P(4) = 2 P(6) = -5
What is the remainder when P(x) is divided by (x – 6)?
What is the remainder when P(x) is divided by (x + 4)?
Answer: (x-6)= -5
(x+4)= -1
Step-by-step explanation:
The reminders when Polynomial P(x) is divided by (x -6) and (x +4) are -5 and -1 respectively.
What is a polynomial?An algebraic equation that has more than two terms, particularly the accumulation of numerous phrases that each include a different power of the same variable (s).
Given, P(x) is a polynomial. Here are a few values of P(x).
P(-6) = 3, P(-4) = -1, P(4) = 2, and P(6) = -5
The remainder theorem says that:
“When a polynomial p(x) is divided by (x−a), the remainder is p(a).
Since, p(6) is -5 and p(-4) is -1
Thus, the remainder when P(x) is divided by (x – 6) is -5
the remainder when P(x) is divided by (x + 4) is -1
Therefore, When Polynomial P(x) is divided by (x -6) and (x +4) the reminders would be -5 and -1 respectively.
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Hi guys, can someone pls explain how to divide fractions? pls and thank u
when dividing two fractions ex:
(1/3) / (1/6)
we take the reciprocal (we switch the bottom and top numbers) of the second fraction and then change the division into multiplication
(1/3) x (6/1)
multiply across to get
6/3
which is 2
hope this helps
keep the first set if fraction change the divison sign in to a multiplication. and flip the next set of numbers hope this helps
A scale on a map shows that 1 inch: 8 miles. On the map, Kylie’s house is 2.5 inches from her grandma’s house. What is the actual distance between the two houses?
A. 10
B. 15
C. 20
D. 25
Solve for x. 10x+2=32
!!!!!HURRY!!!!!
Yes ok.
10x+2=32
-2 -2
10x=30
/10 /10
x=3
Your Answer is
x=3Hope This Helps! Brainliest Would Be Greatly Appreciated.Answer:
x=3
Step-by-step explanation:
the first step is to subtract 2 from both sides because you want to isolate the variable, and the opposite of addition is subtraction. so, you do 10x + 2 = 32, and when you subtract 2 from both, you get 10x = 30. then, because 10 and x are being multiplied together, you want to divide both sides by 10 to get x alone. so, you get x = 30/10, so x = 3.
1+1=?
help plz
i dont have enogh characters so this is what I have to type
Answer:
real answer 2
Step-by-step explanation:
the answer is 7 in my mind but sometimes it might be 11
3.5z - 2.7z = -6
z = ?
Answer:
i believe it would be z = -7.5
Step-by-step explanation:
Answer:
-7.5
Step-by-step explanation:
Subtract 2.7z from 3.5z
0.8z= -6
divide each term by 0.8 - 0.8 divided by 0.8- -6 divided by 0.8
Cancel the common factor of 0.8
divide -6 by 0.8
Z= -7.5
If the average grade of an English class rose from 70 to 85, what is the approximate percent increase?
The percent increase is approximately 14%.
The percent increase is approximately 17%.
The percent increase is approximately 21%.
The percent increase is approximately 35%.
The correct answer would be C. The percent increase is approximately 21%
Answer:
the third answer, 21%
Step-by-step explanation:
the change was 15% and the original was 70 so,
15/70
=.21
.21*100=21%
I hope this helped and could I get brainliest?? :)
26) John makes $12 per hour as a lifeguard and $8 per hour at the library.
This summer, he would like to make at least $500 working his two jobs.
Which graph represents the number of hours he must work at each job to
reach his goal?
Angles of elevation and Depression, please provide a explanation if possible,ty
Answer:
4,022.5 m
Step-by-step explanation:
When an observer watches an object lying on the ground from an elevated point on the ground then the angle formed between horizontal line and the line of vision is known as ANGLE OF DEPRESSION.
When an observer watches an object from a point on the ground situated at some height from the ground from the ground then the angle formed between horizontal line and the line of vision is known as ANGLE OF ELEVATION .
Let the distance of the rock from the airplane be x meters.
[tex] \sin \: 25 \degree = \frac{1700}{x} \\ \\ 0.4226182617 = \frac{1700}{x} \\ \\ x = \frac{1700}{0.4226182617} \\ \\ x = 4,022.54269 \\ \\ x = 4022.5 \: m[/tex]
If a person wanted to purchase their dream car, and keep it for many years, should they lease or buy? why?
Answer:
buy
Step-by-step explanation:
If a person wanted to buy their dream car and keep it for several years they would buy it since they wouldn't have to pay rent on the care even after they payed it off. If they were to lease they would have to pay rent for it.
If a person wanted to purchase their dream car, and keep it for many years, what they should is to: buy.
What is Leasing and buying?Leasing can be defined as an agreement in whereby the lessor or the owner give out his or her property to the lessee, in which the lessen is expected to payback the lessor periodical till the full payment is made.
While buying is simply to purchase a product in exchange for cash or money.
If a person wanted to purchase a car so as to keep it for many years, the best choice is to buy instead of leasing.
The reason why buying the car would be the better option is because the overall cost of buying the car would be lesser.
After paying for the car, the owner tend to gets much more value from the car.
Inconclusion the person should buy the car.
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