In ΔWXY, the measure of ∠Y=90°, YX = 40, XW = 41, and WY = 9. What ratio represents the cosine of ∠W?
Answer:
[tex]\cos{W} = \frac{9}{41}[/tex]
Step-by-step explanation:
Cosine of an angle:
The cosine of an angle, in a right triangle, is the length of the side adjacent to this angle divided by the hypotenuse.
Length of the largest side:
The length of the largest side is 41, that is, the hypotenuse is 41. The hypotenuse is XW.
WY = 9.
This means that the length of the adjacent side to angle W is 9.
What ratio represents the cosine of ∠W?
Adjacent side has length 9, hypotenuse has length 41. So
[tex]\cos{W} = \frac{9}{41}[/tex]
According to a recent study, the average American household spends $1,700 on clothing per year, with a standard deviation of $530. What percent of households spend less than $1170 per year, based on this data?
Answer:
$3,220
Step-by-step explanation:
Add
HELP QUICK ROUND EACH VALUE TO THE NEAREST TENTH
According to this diagram, what is tan 62°?
Answer:
12
Step-by-step explanation:
i think that is the answer
Alice deposited 600 dollars in a new savings account, no other deposits were made, after 3 months interest was computed at an annual interest rate of 3 1/2 percent. how much interest did her money earn?
Answer:
: Gumuhit ng tatlong bagay na sa alam mo ay naging epekto ng digmaan. Iguhit ito Sa loob
ng mga bilog.
Step-by-step explanation:
Let's Write!
Directions: Write at least a five-sentence paragraph about the issue conveyed in the
picture using a pattern of idea development with its appropriate grammatical signals. A
rubric is given below for your guidance. Write your paragraph on a separate sheet of
paper.Directions: Write the word "TRUE” if the statement is true and write "FALSE” if the statement
is false. Write your answer on your answer sheet.
1. Always follow the routine “clean up while in use and clean up before keeping it”.
2. Manufacturer's instructions for operation and maintenance should be followed.
3. Employers have some control over potential hazards.
4. Before the vacuum cleaner becomes overloaded, throw dust bags after each use.
5. For the equipment with wheels, clean and check wheel-driven gears.
6. For proper storage/safekeeping of hand tools and equipment, surfaces of cutting tools
should be displayed for easy used and reach.
7. Only qualified people should carry out the maintenance and they should also keep
records of their inspections.
8. Check-up equipment irregularly to prevent serious breakdown.
9. Place guards on machinery to protect fingers and limbs.
10. Store electrical equipment outdoors.Directions: Write the word "TRUE” if the statement is true and write "FALSE” if the statement
is false. Write your answer on your answer sheet.
1. Always follow the routine “clean up while in use and clean up before keeping it”.
2. Manufacturer's instructions for operation and maintenance should be followed.
3. Employers have some control over potential hazards.
4. Before the vacuum cleaner becomes overloaded, throw dust bags after each use.
5. For the equipment with wheels, clean and check wheel-driven gears.
6. For proper storage/safekeeping of hand tools and equipment, surfaces of cutting tools
should be displayed for easy used and reach.
7. Only qualified people should carry out the maintenance and they should also keep
records of their inspections.
8. Check-up equipment irregularly to prevent serious breakdown.
9. Place guards on machinery to protect fingers and limbs.
10. Store electrical equipment outdoors.WORK #1
Direction: List 1 Digestive System disease. Identify its causes, symptoms, and treatment. Use the template
below.
Digestive Disease
Causes
Symptoms
TreatmentWRITTEN WORK #1
Direction: List 1 Digestive System disease. Identify its causes, symptoms, and treatment. Use the template
below.
Digestive Disease
Causes
Symptoms
Treatment
) Which expressions are equivalent to 35? Choose ALL that apply.
9.27
81.3
3.5
3.3.3.3.3
9.9
Answer:
[tex](a)\ 9 * 27[/tex]
[tex](b)\ 81 * 3[/tex]
[tex](d)\ 3*3*3*3*3[/tex]
Step-by-step explanation:
Given
[tex]3^5[/tex]
Required
Select equivalent expressions
[tex](a)\ 9 * 27[/tex]
Express as exponents
[tex]9 * 27 = 3^2 * 3^3[/tex]
Apply law of indices
[tex]9 * 27 = 3^{2+3[/tex]
[tex]9 * 27 = 3^{5[/tex]
[tex](b)\ 81 * 3[/tex]
Express as exponents
[tex]81 * 3 = 3^4 * 3[/tex]
Apply law of indices
[tex]81 * 3 = 3^{4+1[/tex]
[tex]81 * 3 = 3^5[/tex]
[tex](c)\ 3*5[/tex]
Solve
[tex]3*5 = 15[/tex]
[tex](d)\ 3*3*3*3*3[/tex]
From calculator, we have
[tex]3*3*3*3*3=243[/tex]
Express as exponents
[tex]3*3*3*3*3=3^5[/tex]
[tex](e) 9 * 9[/tex]
Express as exponents
[tex]9 * 9= 3^2 * 3^2[/tex]
Apply law of indices
[tex]9 * 9= 3^{2+2[/tex]
[tex]9 * 9= 3^4[/tex]
Hence, a, b and d are true
Which is a pentomino?
ОА
ОВ.
ОС.
OD.
Answer:
B.Step-by-step explanation:
Because A. Is not pentomino C. Is not pentominoD. There are no pentominoHELPPP PLSS
DUE TN
WILL GIVE BRAINLIST
Answer:
49/144
Step-by-step explanation:
Answer:
49/144
Step-by-step explanation:
Evaluate - 15.85 + y for the following values of y.
value of y value of expression
-32.1 -47.95
-63.06
-84.703
-8.115
Answer:
-78.91 -100.553 -23.965
Step-by-step explanation:
-15.85 - 63.06 = -78.91
-15.85 -84.703 = -100.553
-15.85 -8.115 = -23.965
calculate the area of the parallelogram and explain how to decompose this shape into rectangles and triangles
ANSWER FAST
DRAW A MODEL IF NECESSARY
1. 4x=44
2. 20x=200
Answer:
1. x=11
2. x=10
Answer:
Step-by-step explanation:
To answer quickly, I would assume that x in the first equation equals 11 since
4 x 11 = 44.
And for the second one, 20 x 10 = 200.
First equation x = 11
Second equation x = 10
Good luck!
The measure of one angle of a right triangle is 56∘ more than the measure of the smallest angle. Find the measure of the smallest angle.
Answer:
The sum of all angels for any triangle equals 180°
so we have a right triangle which means we have an angle equals 90° ,angle equals=56°.
step by step
[tex]180 - 56 - 90 = 34[/tex]
so the angle tends to equal 34°.
Please help me. 20 POINTS
Answer:
could you please also post what the choosing options are and then ill edit this and do it again
Step-by-step explanation:
Help me please :) thanks
Answer:
20 and 90
Step-by-step explanation:
help pls what is he surface area measured in square centimeters, of the shape
below do not include units in your answer
Answer:
Solution given:
l=8cm
b=8cm
h=3cm
now
total surface area=2(lb+bh+lh)
=2(8*8+8*3+8*3)=224cm²
224 cm² is a required volume.
Question 10 (2 points)
A square table 4 feet on each side has two drop leaves, each a semicircle 4 feet in diameter.
Find the area of the table with and without the drop leaves.
1) With Drop Leaves (Semicircles are attached to table) =
ft. 2
2) Without Drop Leaves (Semicircles are not attached to table)
ft 2
4 ft
|4ft
Answer:
Area of table with leaf = 28.56 feet²
Area of table without leaf = 16 feet²
Step-by-step explanation:
Given:
Side of square table = 4 feet
Diameter of side leaf = 4 feet
Number of semicircle leaf = 2
Find:
Area of table without leaf
Area of table with leaf
Computation:
Area of square = Side x Side
Area of table without leaf = 4 x 4
Area of table without leaf = 16 feet²
Radius of side leaf = Diameter of side leaf / 2
Radius of side leaf = 4 / 2
Radius of side leaf = 2 feet
Area of table with leaf = Area of table without leaf + 2[πr²/2]
Area of table with leaf = 16+ 2[πr²/2]
Area of table with leaf = 16+ (3.14)(2)²
Area of table with leaf = 16+ (3.14)(4)
Area of table with leaf = 16+ 12.56
Area of table with leaf = 28.56 feet²
Find the equation of the linear function represented by the table below in slope-
intercept form.
9514 1404 393
Answer:
y = -4x -2
Step-by-step explanation:
The slope is given by the formula ...
m = (y2 -y1)/(x2 -x1)
m = (-10 -10)/(2 -(-3)) = -20/5 = -4
__
The y-intercept is given by ...
b = y1 -m(x1)
b = 10 -(-4)(-3) = 10 -12 = -2
Then the slope-intercept equation is ...
y = mx +b
y = -4x -2
What is the approximate lateral surface area of the cylinder?
9 cm
2 cm
Answer:
138 is closest to the Lateral surface which is 113.097
Step-by-step explanation:
Can someone help??
What is the equation of the blue line?
Answer:
y = 4x - 3
Step-by-step explanation:
Find two point of the line
(0,-3) ; (1,1)
Use this formula
(y - y1)/(y2-y1) = (x-x1)/(x2-x1)
(y-(-3)/(1-(-3) = (x-0)/(1-0)
(y+3)/4 = x
y+3 = 4x
y = 4x -3
Answer:
y = 4x -3
Step-by-step explanation:
The y intercept is (0,-3)
Using another point on the line (1,1), we can find the slope
m = (y2-y1)/(x2-x1)
m = (1 - -3)/(1-0)
= (1+3)/(1-0)
= 4/1
The equation for a line in slope intercept for is
y = mx+b where m is the slope and b is the y intercept
y = 4x -3
what is the area of the cylinder rounded to the nearest whole number
Answer:
the area is 207
Step-by-step explanation:
The equation to solve the area of a cylinder is A=2πrh+2πr^2
The radius is the length from the outside to the center, 6 is the diameter so we could half that to get the radius, 3 and height is 8
A=2*3.14*3*8+2*3.14*3^2
A=6.28*3*8+6.28*9
A=18.84*8+56.52
A=150.72+56.52
A=207.24
207.24 rounded to the nearest whole number is 207 so your area is 207
Can someone answer this please
Answer:
I believe it is 14 mm, hope i helped
Ms. Alberta has a rectangular area set aside to plant some fruits and vegetables. The garden has a width of (6x2) cm2 and a length of (11x3) cm2 . If the formula for area is A=l⋅w, what is the area of Ms. Alberta’s garden?
17x5
17x6
66x6
66x5
Answer:
A = 66×6 cm²
Step-by-step explanation:
Given that,
The width of a rectangular garden, w = (6x2) cm
The length of a rectangular garden, l = (11x2) cm
We need to find the area of Ms. Alberta’s garden. The area of a rectangular garden is given by :
A = LW
Put all the values,
A = (6x2) × (11x3)
= (11×6)(2×3)
= 66×6 cm²
Hence, the area of the Ms. Alberta’s garden is 66×6 cm².
A box of 10 bars of soap costs $10.88, while the same brand with 4 more bars costs $17.62. Which is the better buy? Round your answer to the nearest cent if necessary.
The box of 10 is a better buy because each bar of soap is worth $1.08 instead of $1.26 that you would pay for the box of 14.
Beth is covering a cylinder can't create a pencil container for a test. The cat is 15 cm tall and has a diameter of 7 cm. How much paper what she need to cover only the sides of the can.
Please help...thx
Answer:
[tex]A = 329.7[/tex]
Step-by-step explanation:
Given
[tex]h = 15[/tex] --- height
[tex]d = 7[/tex] --- diameter
Required
Paper needed to cover the sides
To do this, we simply calculate the surface area of the cylinder (without considering the top and bottom)
This is calculated as:
[tex]A = 2\pi rh[/tex]
Where
[tex]r = \frac{d}{2}[/tex]
[tex]r = \frac{7}{2}= 3.5[/tex]
The formula becomes
[tex]A = 2 * 3.14 *3.5 *15[/tex]
This gives:
[tex]A = 329.7[/tex]
NEEEEEEEEED HELPPP step by step
Answer:
Step-by-step explanation:
ANSWER PLEASE i need help i will mark brainliest
Answer:
let the two no. be x and y.
their sum
x+y=-11
x=-11-y.....[I]
and difference
x-y=41
x=41+y......[ii]
equating equation I and ii
we get
-11-y=41+y
-11-41=y+y
-52=2y
y=-52/2
y=-26
now
substituting value of y in equation I.
we get
x=-11-(-26)=-11+26=15
The two no. is 15 and -26.
To compare the effectiveness of two treatments, researchers conducted a well-designed experiment using a randomized block design in which the subjects were blocked by age-group (under 40 years and 40 years or older). Which of the following must be true about the randomized block design of the experiment?
(A) The number of subjects in each block is different.
(B) Treatments are randomly assigned to subjects within each block.
(C) The design cannot have a control group because subjects are blocked by age-group.
(D) The experiment uses a matched-pairs design, where subjects from one block are paired with subjects from the other block.
(E) The subjects in one block receive one treatment, and the subjects in the other block receive the other treatment.
Answer:
(B) Treatments are randomly assigned to subjects within each block.
Step-by-step explanation:
In the case when the comparison of the treatments should be done so the researcher want to conducted the experiment where the subjects were blocked by the age group so here the option b is considered as in this the treatments would be allocated on the randomly basis to the subject with respective to the each and every block
Rest of the options are wrong as the number of subjects are same, the design have the control and there is same replication of the number
Does anyone know how to simplify this expression? I know it has to do with properties of summation and special summation rules but I can’t quite figure it out.
============================================================
Explanation:
Let's expand this out up to say n = 6 terms
I'll write the summation in such a way that each (1/(k+1) - 1/k) grouping will get its own row. Each row has the same value of k.
If we plug in k = 1 through k = 6, but not evaluate just yet, we will have this:
1/(1+1) - 1/1
1/(2+1) - 1/2
1/(3+1) - 1/3
1/(4+1) - 1/4
1/(5+1) - 1/5
1/(6+1) - 1/6
All I've done so far is replace k with 1 through 6. Again, each row represents a different k value. Each row has the general format 1/(k+1)-1/k.
Let's simplify everything in the first column.
So the (1+1) turns into 2, the (2+1) turns into 3, and so on.
Doing that leads to...
1/2 - 1/1
1/3 - 1/2
1/4 - 1/3
1/5 - 1/4
1/6 - 1/5
1/7 - 1/6
Then note how we have the cancellations shown in the diagram below. The color coding shows how the terms pair up to cancel out. By "cancel out", I mean specifically that the fractions add up to 0. Eg: 1/2 + (-1/2) = 0.
Nearly everything cancels out. The only things left after the dust settles is the -1/1 in the first row and the 1/7 in the bottom row. This evaluates to 1/7-1/1 = 1/7 - 7/7 = (1-7)/1 = -6/7
If you were to try this with n = 7, then you should find that again nearly everything cancels but the fractions -1/1 and 1/8. Then 1/8 - 1/1 = -7/8.
For n = 8, you should end up with 1/9 - 1/1 = -8/9.
You can probably see the pattern.
A conjecture is that the answer is -n/(n+1). The general proof of this isn't too tricky. Simply follow the same ideas as mentioned above. Expand out a few terms and see how things cancel out. You'll find that everything cancels except for the -1/1 in the first row and the 1/(n+1) just one term before the very end. Then we can say:
1/(n+1) - 1/1
1/(n+1) - (n+1)/(n+1)
(1-(n+1))/(n+1)
(1-n-1)/(n+1)
-n/(n+1)
If we tried n = 6, then we find,
-n/(n+1) = -6/(6+1) = -6/7
which was the result we found earlier when we added the first n = 6 terms of this series. Trying out n = 7 should lead to -n/(n+1) = -7/8, and so on.
PLEAAE HELP Tiffany practices her guitar for hour each day. How many hours does she practice in 7 days? Make an equation to solve the problem.
Answer:
7n
Step-by-step explanation:
Let :
The number of hours of practice per day = n
The number of practice hours in 7 days can be calculated thus :
Number of hours of practice per day * number of days
(n * 7) = 7n
Solve the following problems. Choose the letter of the correct answer. (Show your complete solutions.)
5.) If the length of the two sides of an isosceles triangle are 3 cm and 7 cm, then what must be the length of the third side?
A. 3cm B. 10 cm C. 14 cm D. 7 cm
:1
i didnt understand the question because of my English sorry
:2
we all know that the total of degrees is 180 so 70+70=140
180-140=40
so the answer is 40
3:
we have a figure with 4 angle so the total of degrees is 360 so the answer is 126
4:
the answer most be 50 becuse we have a Special degree witch always equal 90 if we have recatngle so
x+40=90
X=50 the answer and if you want to try again choose the second one
2x-10=90
2x=100
X=50 same answe you see
5:
in this quastion i searched and find alot of answers any way
its should be 7 or 3 but the correct answer in my opinion its 7
its shows in the picture i sent hopefully its helpful to you i will try to translate the first quastion and sent it to you