Answer:
JKL=127°
BEF=63°
m 1=90°
CBY=66°
Step-by-step explanation:
JKL:
the two lines are parallel and cut by one line so the corresponding angles just be the same.
BEF:
(7x-14)=4x+19
add 14 to each side
7x=4x+33
subtract 4x from each side
3x=33
divide each side by 3
x=11
implement that into 4x+19
4(11)+19
44+19
63
m 1:
Since the congruent angles is 90 and 90 + m 1= 180° the m 1 has to be 90°
3x+9+6x=180 since they are corresponding angles on a parallel line and corresponding angles must equal 180° in total
9x+9=180
subtract 9
9x=171
divide each side by 9
x=19
3(19)+9
66°
Hope this helps! If you have any questions on how I got my answer feel free to ask. Stay safe!
cos²30° + cos²60° + cos²90° + 2 cos 30° cos 60° cos 90°
Answer:
1
Step-by-step explanation:
[tex]cos²30° + cos²60° + cos²90°\\ + 2 cos 30° cos 60° cos 90° \\ \\ = \bigg( \frac{ \sqrt{3} }{2} \bigg) ^{2} + \bigg( \frac{ 1 }{2} \bigg) ^{2} + \bigg( 0\bigg) ^{2} \\ + 2 \times \frac{ \sqrt{3} }{2} \times \frac{ 1 }{2} \times 0 \\ \\ = \frac{3}{4} + \frac{1}{4} + 0 + 0 \\ \\ = \frac{3 + 1}{4} \\ \\ = \frac{4}{4} \\ \\ = 1[/tex]
julio's school is selling tickets to a spring musical. on the first say of ticket sales is the school sold 5 adult tickets and 2 child tickets for a total of $74 the school took in $86 on the second day by selling 5 adult tickets and 3 child tickets. find the price of an adult ticket
A store is having a sale where movies are 40% off their original price. A movie is on sale for $26.00. What was the original price of the movie?
What is the probability that a randomly selected student has a cell phone and is from School B?
(Round to the nearest hundredth)
a. 0.21
b. 0.41
c. 0.62
Answer:
B
Step-by-step explanation:
Because there is 1000 people in total, the percentage of people in the school B with cellphones would be solved by finding 408/1000=.408. If you round .408 to the nearest hundredth, because the thousandth place is 8, it would round up to .41
Answer:
[tex]\huge\boxed{\text{(B)}\ 0.41}[/tex]
Step-by-step explanation:
This table will prove to be helpful to find the probability that a student has a cell phone and is from School B.
First off, we know that a total of 1000 students were interviewed, both from School A and from School B.
We also know that 479 of those 1000 were from School B (total on the right).
Looking further into School B, we can see that 408 students from school B have a cell phone.
Therefore, we can find the probability by finding 408 / 1000.
[tex]408 \div 1000 = 0.408 \approx 0.41[/tex]
Therefore, the probability that a randomly selected student is from School B and has a phone is 0.41, or 41%.
Hope this helped!
is b intersection c = to b union c
Answer:
no.
Step-by-step explanation:
b ∩ c is the values that appear in both b and c.
b ∪ c is all the values in b and c.
NEED HELP FAST MARKING PEOPLE AS BRAINLIST
Answer:
sss
Step-by-step explanation:
since the problem dosent give angles its most likes sss
Answer:
so i cant really see it but it looks as if the two triangles are right angles and are congruent.
Step-by-step explanation:
so i hope this helps a little if so mark as brainleist pls have a nice day
Which pair of terms can be used to represent any two consecutive odd numbers? x and x + 1 x and x + 2 x and 2 x + 1 2 x and 2 x + 1 plz help I have six minutes left last question
Answer:
x + x + 2
Step-by-step explanation:
cuz if its consecutive odd then its every 2 numbers so if x = 3 then you add two to x
Answer:
B
Step-by-step explanation:
I am taking the quiz and also thx to the person that answered before me
Find the slope of each line
Answer:
y= -1/2x
Step-by-step explanation:
question 10 pls help
Answer:
D
Step-by-step explanation:
grandfathers age is 4 times abduls age. 10 years ago his age was 7 times abduls age. find their present ages
Answer:
20,80
Step-by-step explanation:
[tex]Let\ Abduls\ present\ age\ be\ x\\His\ Grandfather's\ present\ age\ = 4x\\\\Abdul's\ age\ before\ 10\ years=x-10\\His\ Grandfather's\ age\ before\ 10\ years =4x-10\\\\We\ are\ given\ that\ ,\\Abdul's\ Grandfather's\ age\ before\ 10\ years = 7 * Abdul's\ age\ before\ 10\ years\\Hence, \\4x-10=7(x-10)\\4x-10=7x-70\\-10+70=7x-4x\\60=3x\\x=20\\Hence,\\Abduls\ present\ age\ =20\\His\ grandfather's\ present\ age\ = 4*20=80[/tex]
Answer:
Abdul's age=20 y/o
Grandpa's age=80y/o
Step-by-step explanation:
let Abdul's age be 'x'
so, grandpa's age=4x
Grandpa's age 10 yrs ago= 4x-10
according to the question, grandpa's age 1o yrs ago=7(x-10)
so, 4x-10=7(x-10)
4x-10=7x-70
by substituting,
70-10=7x-3x
60=3x
60/3=x
20y/o=x
so, 4x=20*4=80 y/o
please help me with this question
Answer:
the slope is -3, the slope is negative, the y-intercept is 0
Step-by-step explanation:
this ones are the ones that apply to the graph
A bricklayer supports a 5 meter ladder. Against a vertical wall. The foot of ther ladder is 3 meters from the wall. Calculate the heigth at which the top of ladder is
Answer:
4 meters
Step-by-step explanation:
Let the height at which the top of the ladder is be represented by h. The sketch of the question forms a right angled triangle. So that applying the Pythagoras rule,
[tex]/hyp/^{2}[/tex] = [tex]/Adj 1/^{2}[/tex] + [tex]/Adj 2/^{2}[/tex]
[tex]5^{2}[/tex] = [tex]h^{2}[/tex] + [tex]3^{2}[/tex]
25 = [tex]h^{2}[/tex] + 9
[tex]h^{2}[/tex] = 25 - 9
= 16
⇒ h = [tex]\sqrt{16}[/tex]
= 4
Therefore, the height at which the top of ladder is placed is 4 meters.
The difference of two number is 3. Their sum is 13.
Find the numbers.
Answer:
8 and 5
Step-by-step explanation:
Answer:
8 and 5
Step-by-step explanation:
8+5=13 and 8-5=3
The table and the graph show the height and weight of ten basketball players. Which
statement is true?
Answer: the data point for player G is an outlier.
Step-by-step explanation:
Answer:
The data point for player G is an outlier.
Express the solution of, x^3 + 3x^2 < x + 3, using interval notation.
Answer:
Step-by-step explanation:
x^3+3x^2<x+3
(-∞,-3)∪(-1,1)
−2(x + 3 − 4x) = 3x − 18
How many solutions for x does this equation have?
Answer:
3
Step-by-step explanation:
because there are 3 x's
MATHHHH!!!!! HELPPP!!!
Answer:
Third One
Step-by-step explanation:
What is the total price of a $60 restaurant tab if you leave a 15% tip?
Answer:
$69 is the total cost of the bill
Step-by-step explanation:
60(1.15)
60 is the cost of the bill, and the 1.15 is the added tax plus the previous $60.
Put 60(1.15) into a calculator and
$69
April took out a $600 loan from the bank. At the end of 5 years, she pays back the principal, plus $60 simple interest.
What was the interest rate?
Answer:
April took out a loan of $600 and paid it back with simple interest of $60 after 5 years. The formula to calculate interest is given the principal and the time and the interest rate is . For this problem we have to find the interest rate given . To archive that , we can just solve the equation making the interest rate the subject of the formula as shown below,
The interest rate is or 0.02 as a decimal. The interest rate is 2% as a percentage.
Step-by-step explanation:
Answer:
2%
Step-by-step explanation:
hello guys. plz answer and solve this question, I'm giving away 15 pts
Question:
x = a2 + b2/ab+1
Answer:
x = a³b + b²/ab + 1
Step-by-step explanation:
x = a² + b²/ab + 1
x = a² × (ab + 1) + b²/ab + 1
x = a³b + a² + b²/ab + 1
x = a³b + b²/ab + 1
someone please help me? i’m confused it would be appreciated
Answer:
(1,220,707,125) B
Step-by-step explanation:
Sushil and Fiona win some money and share it in the ratio 3:4. Sushil gets £39. How much did Fiona get?
Answer:
52
Step-by-step explanation:
Answer:
Step-by-step explanation:
3 / 4 = 39 / x
4*39 = 3*x
x = 42
Seth has two similar ice cream cones, Cone A and Cone B. The height of Cone A is 16 inches, and the height of Cone B is 4 inches. What is the ratio of the volume of Cone A to the volume of Cone B?
Answer:
64 : 1.
Step-by-step explanation:
Ratio of the volumes is 16^3 to 4^3
= 4096 : 64
= 64 : 1.
HELP ill give brailist
Answer:
x = 4.25 (A. 4.25)
Step-by-step explanation:
(For, 4x + 39) 4 times 4.25 = 17, then add 17 + 39, which gets you to 56.
( for 16x - 12) multiply 16 times 4.25 = 68. subtract 12 from 68 to equal 56.
This is trigonometry please answer it :)
I'll give a ♡ if you answer it
Answer:
2(a) 30°
(b) 48,59°
(c) 31,4485°
(d) 33,005565°
6. Find the value of r in the following triangle.
Answer:
Helpppppp
Step-by-step explanation:
The cost of 6 books is $20.46. What is the cost of 1 book
Answer:
3.41
Step-by-step explanation:
divided 20.46 by 6
Answer:
$3.41
Step-by-step explanation:
You divided the total cost by number of books.
20.46 divided by 6 = 3.41.
While Brayden is in
training, he has to drink 650
milliliters of water per day.
How many liters of water will
that be for one week?
Answer:
4,550
Step-by-step explanation: 7 x 650 is 4,550
Error Analysis A contractor purchases 7 dozen pairs of padded work gloves for $93.24. He incorrectly calculates the unit price as $13.32 per pair for the expense report. What is the correct unit price? What is the error
Answer:
Step-by-step explanation:
i hopes this helps
In how many ways can the numbers 3,4,5,6,7,8,9, and 10 b
divided into two sets A and B such that the sum of the numbers in B is three times the sum of the numbers in A?
pls help quick! will mark brainliest!
Answer:
4 times
Step-by-step explanation:
Given that the sum of all the numbers => 3+4+5+6+7+8+9+10 = 52
And we are to divide it into two sets such that the sum of set B is three times the number of sum of set A => Sum B = 3 * Sum A
Hence Total sum = Sum B + Sum A
Total sum ÷ 4 = 52 ÷ 4 = 13.
Since Sum B = (3 * Sum A) => (3 * 13 ) = 39
Therefore Sum B = 39 and Sum A = 13
To divide them into two sets
Sum A = (10, 3) = 13: Sum B = ( 4, 5, 6, 7, 8, 9) = 39
Sum A = (9, 4) = 13: Sum B = (3, 5, 6, 7, 8, 10) = 39
Sum A = (8, 5) = 13: Sum B = (3, 4, 6, 7, 9, 10) = 39
Sum A = (7, 6) = 13: Sum B = (3, 4, 5, 8, 9, 10) = 39
Hence, the correct answer is 4 times