Answer:
B and D are correct.
Step-by-step explanation:
First, we find the length of ALL the sides using the Pythagorean Theorem.
16² + b² = 20²
256 + b² = 400
b² = 144
[tex]\sqrt{144}[/tex] = 12
Now, we know that sine is opp/hyp, cosine is adj/hyp, and tangent is opp/adj.
A is incorrect because that's supposed to be cos. B is correct because that is indeed cos. C is incorrect. D is correct. E and F are incorrect because it's supposed to be sin.
Don't know if any of that made sense. All you need to do is remember the difference between sine, cosine, and tangent.
Answer:
The answer is B and D.
Step-by-step explanation:
Length of ladder AC = 20 feet
Height of the highest point of the ladder from ground AB = 16 ft
By Pythagoras theorem,
AC² = BC² + AB²
BC² = AC² - AB²
BC = √(20)^2-(16)^2
= √400-256
= √144
= 12
Now, Sinθ = opposite side/hypotenuse = AB/AC
= 16/20
Cosθ = adjacent side/hypotenuse = BC/AC
= 12/20
Therefore, A and D are the correct options.
You're very welcome! ;)
solve-1/8<34 then graph it
Answer:
This isn’t really a valid equation, so I’m guessing you forgot to type something.
Step-by-step explanation:
Line segment AB has endpoints A(5,−8) and B (1,−12). Which of the following is the approximate lenght of line segment AB?
Answer:
square root of (1-5)²+(-12+8)²
square root of (16+16)
square root of 32
11 POINTS
why does drilling a hole in the block add and subtract surface area from the solid? 1
Answer:
ghththbtbgybybnuinini
The equation that matches this diagram is
3(y + 200) = 3000.
What is the value of Y.
Answer: y = 800
Step-by-step explanation:
3(y + 200) = 3000
3y + 3(200) = 3000
3y + 600 = 3000
3y = 2400 [Subtract 600 from both side]
y = 800 [Divide 3 in both side to solve for y]
david and jason have marbles in a ratio of 2:3. together they have a total of 35 marbles . how many marbles dose David have
Answer:
14 marble
Step-by-step explanation:
here's your solution
=> Total number of marble = 35
=> ratio of David and Jason = 2 : 3
=> let the ratio be in x
=> now, 2x + 3x = 35
=> 5x = 35
=> x = 35/5
=> x = 7
=> number of marble with David = 7*2 = 14
=> number of marble with Jason = 7*3 = 21
hope it helps
Answer:
number of marbles that David had=
[tex]35 \times \frac{2}{5} \\ 14marbles[/tex]
If an = a1 x 5^n-1 and a1=1
what is the value of a5?
1/2x13x6=?
What is this? I need help!
Simplify the sum. State any restrictions on the variables.
X-2/x+3 + 10x/(x^2)-9
Please show all work and don’t forget the restrictions!
The resulting expression will be [tex]\frac{x+2}{x-3}\\[/tex]
How to simplify fractional sumGiven the expression as shown in the question:
[tex]\frac{x-2}{x+3} + \frac{10x}{x^2-9}[/tex]
Find the LCM of the expression to have:
[tex]\frac{(x-2)(x-3)+10x}{(x+3)(x-3)}[/tex]
Expand the expression
[tex]\frac{(x^2 - 5x+6+10x}{(x+3)(x-3)}\\\frac {x^2 + 5x+6}{(x+3)(x-3)}\\[/tex]
Expand the expression
[tex]=\frac {x^2 + 2x + 3x +6}{(x+3)(x-3)}\\=\frac {x(x + 2) + 3(x +2)}{(x+3)(x-3)}\\=\frac{(x+2)(x+3)}{(x+3)(x-3)}\\ =\frac{x+2}{x-3}\\[/tex]
Hence the resulting expression will be [tex]\frac{x+2}{x-3}\\[/tex]
Learn more on expansion here: https://brainly.com/question/52825
Which expression represents the difference of 15 and s, increased by 4?
A. (15 + s) - 4
B. (4 + s) + 15
C. (4 - s) + 15
D. (15 - s) + 4
can someone help me please!!
Answer:
55°
Step-by-step explanation:
∠KJL=180° - 125 = 55°
KL=KJ
so, ∠KJL= ∠KLJ =55°
fill in the missing steps of the following sequence:
104, 60, __, 27, 21.5
Answer:
38
Step-by-step explanation:
reducing by half of 44, half of 22, half of 11
Write the equation of the line (in slope-intercept form) that passes through the points (1, 6) and (2, 8).
Answer:
y = 2x + 4
Step-by-step explanation:
Figure out the slope.
y2 - y1 / x2 - x1 8 - 6/ 2 - 1 = 2
Find out the y-intercept. Your equation so far is y = 2x + b.
8 = 2(2) + b
8 = 4 + b
4 = b
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
x = 3.6
Step-by-step explanation:
Since, ABCD ~ EFGH
Therefore, all interior angles of both the quadrilaterals will be equal and the corresponding sides of both quadrilaterals will be proportional.
[tex]\frac{AD}{EH}=\frac{AB}{EF}[/tex]
[tex]\frac{x}{2.4}=\frac{3}{2}[/tex]
x = [tex]\frac{3\times 2.4}{2}[/tex]
x = 3.6
Please help. Find the value of x in the triangle shown below.
5
8
Answer:
x=+-[tex]\sqrt{89}[/tex]
Step-by-step explanation:
[tex]x^{2}[/tex]=[tex]8^{2}[/tex] + [tex]5^{2}[/tex]
[tex]x^{2}[/tex]=64+25
[tex]x^{2}[/tex]=89
x=+-[tex]\sqrt{89}[/tex]
Please explain how you got your answer!
Answer: b =50°
Step-by-step explanation:
The angles on a straight line =180°
180° = 50°+90°+b
180°-50°-90°=b
50° = b
Answer:
Step-by-step explanation:
∠b + ∠a + 50° = 180°
∠b + ∠90 + 50° = 180°
∠b = 180° - 90° - 50° = 40°
PLEASE EXPLAIN THIS 6th GRADE MATH
Answer:
[tex]b = l\times w[/tex] to guarantee that both formulas are the same.
Step-by-step explanation:
Dimensionally speaking, the volume is the cube of length. By direct comparison, we find that [tex]l,w,h[/tex] have length units, whereas [tex]b[/tex] have area unit, that is, the square of length.
Hence, [tex]b = l\times w[/tex] to guarantee that both formulas are the same.
Q3
A group of scientists collected data on 700 birds in the area. They determined that
12 out of every 35 birds were blue. Based on the results of the study, how many
birds in the population were NOT blue? (7.60. SS, RCA)
Answer: 240 birds are blue
Step-by-step explanation:
Takes 35 x 2=70 so 20 x 35 is 700 then do 12 x 20 and your answer is 240
HELP PLEASEEEEEE!!!!!
solve 5x + 17 = 3x - 7 pleaseeeee hurryyy
Answer:
14 141414141414114141411
Answer:
Complete the square of x^2-2x+17
Answer:
(x - 1)² + 16
Step-by-step explanation:
x² - 2x + 17 = 0Subtract 17 from both sides of the equation.
x² - 2x = -17Use the formula (b/2)² to see which number you have to add to both sides.
(-2/2)² = 1Add 1 to both sides of the equation.
x² - 2x + 1 = -17 + 1Factor the left side of the equation into a perfect square.
(x - 1)² = -16Add 16 to both sides of the equation.
(x - 1)² + 16(x - 1)² + 16 is the equation in standard form (x² - 2x + 17) rewritten by completing the square.
PLEASE HELP! 20 PTS
Choose ALL that apply for spring tides
Question 1 options:
Moon, Sun, and Earth are perpendicular
Moon, Sun, and Earth are aligned
Highest of the high tides and lowest of the low tides.
Occur twice a month
I tried A and B. and it was wrong.
Answer: The answers are B, C, and D (I took the quiz and it was right)
Answer:
B: Moon, Sun, and Earth are aligned
C: Highest of the high tides and lowest of the low tides.
D: Occur twice a month
Step-by-step explanation:
I took the test its right, trust me
I got 100
The store paid 2.50 for a book and sold it 5.25%. What is the percent?
Joe goes to the store to buy jeans and some T-shirts. The jeans cost
$40 each and the T-shirts cost $20 each. If Joe spends $160 on 5 items,
how many pairs of jeans and how many T-shirts did he buy?
Answer:
Jeans: 3 T-shirts: 2
Step-by-step explanation:
40 times 3 equals 120
20 times 2 equals 40
120+40=160
Joe bought 3 pairs of jeans and 2 T-shirts.
What is the equation?The equation is defined as a mathematical statement that has a minimum of two terms containing variables or numbers that are equal.
Let's represent the number of pairs of jeans that Joe bought "x".
The total cost of the jeans would be $40 × x.
And the total cost of the T-shirts would be $20 × (5 - x).
Since Joe spent a total of $160, we can set up an equation to solve for x:
$40 × x + $20 × (5 - x) = $160
Expanding the second term:
$40 × x + $20 × 5 - $20 × x = $160
Combining like terms:
$40 × x + $100 - $20 × x = $160
Subtracting $100 from both sides:
$40 × x - $20 × x = $60
Combining like terms:
$20 x = $60
Dividing both sides by $20:
x = 3
So he bought 3 pairs of jeans and 5 - 3 = 2 T-shirts.
Learn more about the equations here:
brainly.com/question/10413253
#SPJ5
put them in order of best to wowrst: apple juice, orange juice, grape juice
there is a correct answer, will give brainliest to correct answer
Answer:
grape juice, orange juice, then apple juice
or the obvious choice
none of them are the best because none of them are good
Answer:
[tex]1)apple \: juice \\ \: \: \: \: \: 2)orange \: juice \\ \: 3)grape \: juice[/tex]
What is the distance of segment BF (look closely...it isn't drawn)?
Round to the nearest hundredth.
I need to know this answer right now please help and thank you
Answer:
your answer would b b haha puns
A mother is 3 times as old as her daughter.In 12 years time she will be twice as old as her daughter will be then. How old is the mother now?
Answer:
The mother will be 36.
Step-by-step explanation:
Answer:
36
Step-by-step explanation:
just multiply 12 and 3
A town's population went from 40,000 to 50,000. What was the percent of change in the population?
Can someone help me it’s due today
Answer:
(19 2/3)(k)+14
Hope this Helps! :)
Jimmy Walked a total of 6 miles last week. This week, he walks 2 miles each hour. If he walks 6 hours this week, how many miles will he have walked in all?
Answer:
18 miles
Step-by-step explanation:
Find how many miles he walked this week by multiplying 2 by 6:
2(6)
= 12
Add this to 6, since he walked 6 miles last week:
12 + 6
= 18
So, in all, he will have walked 18 miles