1
Step-by-step explanation:
cos 2x + 2 sin²x
= (1 - 2 sin²x) + 2 sin²x
= 1 - 2 sin²x + 2 sin²x
= 1
If the diameter of a circle is 8, then what is its area and its circumference?
Answer:
A≈50.27
Diameter = 8
Using the formulas
A=πr2
d=2r
Solving forA
A=1
4πd2=1
4·π·82≈50.26548
Answer:
I think it would be 50.24
Step-by-step explanation:
Here's what I did:
1. Diameter = 8 so radius = 4
2. 4 to the second power is 16
3. 16 × 3.14 = 50.24
I'm not sure if what I did is correct, but I hope this helps! :)
I need helpppp plssss anyone I’m not the best at math :/
Answer:
C
Step-by-step explanation:
You buy a new backpack that costs $62.00. The sales tax is 6.5%. What is the total amount you need to pay, including tax?
Answer:
$66.03 in total.
Step-by-step explanation:
$66.03 because 6.5% is 0.065 and $62.00 times 0.065 equals $4.03. $62.00 plus $4.03 is $66.03.
which dimensions describe a rectangular prism with a volume of
Answer:
Square ⬛ ormmmfjdixxjx
Does this data determine a linear function?
A) Yes
B) No
Answer:
A) yes
Step-by-step explanation:
Find the area of the shape below. 5yd 7yd
Answer:
45.99 yd²
Step-by-step explanation:
The square is 5 yd × 7 yd
35 yd²
The circle = 2 × pi × radius
2 × 3.14 × 3.5
21.99115 rounds to 21.98 yd²
Since it is have a circle,
21.98 yd² ÷ 2
10.99 yd²
35 yd² + 10.99 yd²
45.99 yd²
the typical level of a low tide at a beach is the 0 point on a number line
Answer:
The low tide level is 0, integer as 0
Step-by-step explanation:
The tide is at the numberline point 0, making it at integer 0.
Please let me know if I need to change the answer via comments (pls don't report me)
A mans basic wage for a 40 hour week is 160 . He is paid 5 per hour for overtime .If he fors for 6.5 hours overtime in a certain week , his wages for that week is
Answer: $192.50
Step-by-step explanation:
wages for 40 hrs + wages for overtime work
$160.00 + 6hrs × $5.00 + $2.50 (1/2 hrs)
$192.50
Credit: anjalijalan3126
A gift box has the shape of a cube with an edge length of 4.5 in.
What is the volume of the gift box?
Enter your answer in the box.
in3
Considering the provided information in the given question we have,
A gift box is in the shape of a cube.Length of each edge = 4.5 inWe need to find the volume of the gift box. Since it is in the shape of a cube, we wee need to apply the formula of the volume of a cube. We know that,
→ Volume of cube = l × l × l
→ Volume of cube = 4.5 in × 4.5 in × 4.5 in
→ Volume of cube = [tex] \sf 91.125 \: in^3 [/tex]
Therefore, volume of the gift box is [tex] \bf 91.125 \: in^3 [/tex].
-2 (x + 3) need help with distributive property -_-
Decent amount of points please help! :)
Find the sine of angle R.
Answer:
Your answer would be C
Step-by-step explanation:
5/12 = 0.41 which is the angle
also follow the sequence of events in the order of p, q, r. Which will explain why I got 5/12
I need some help with this
A water storage tank is cone shaped. The radius of the tank is 20 feet and the height of the tank is 35 feet.
Study the figure below...
20 feet...
35 feet...
Which measurement represents the volume of the water storage tank
Answer:
50 multiple times an
56009*%56556what is the sum of the fraction
Answer:
d) 72/100
Step-by-step explanation:
the first grid is 42/100 so you add the 3/10 which 3/10 is equal to 30/100 the grid is just simplified. Once you add 42/100 and 30/100 it equals to 72/100. Hope this is helps you !
Answer:
72/100
Step-by-step explanation:
There is 40 whole and 30 whole which equals 70. Plus 2 which is 72 so the answer is 72/100
Which function represents a quantity growing exponentially?
A y = 2(0.5)^x
B y = 0.5(2)^x
C y = 2(0.5)^2X
D y = (1/5)^x
Answer: [tex]ay=2(0.5^{x})[/tex]
Step-by-step explanation:
A y = 2(0.5)^x
ΔRST~ΔUVW. If ST=36 inches, UV=45 inches, and VW=18 inches, what is the length of RS?
Answer:
hi
Step-by-step explanation:
What is the quotient of 3 divided by 1/2.
Answer:
6
Step-by-step explanation:
3
===
1
----
2
Multiply numerator and denominator by 2
3 *2
===
1 * 2
----
2
The 2s in the denominator cancel
6/1 = 6 is the answer.
Write an equation to model the situation
Jack works at a t-shirt store. Jack earns $150 a week plus $2 for every t-shirt (T) that
he sells. If Jack's gross pay at the end of the week is $320, how many t-shirts did he sell?
Link= REPORT
Х
5 ft.
8 ft. M
24 ft.
(A) 13
(B) 15
(C) 17
(D) 11
Please someone help!!
Answer:
I think the answer is c
explanation:
Order the numbers from least to greatest 45/11, 4.5, square root of 20, and square root of 45/11 NO LINKS!!!
Answer:
square root of 45/4, square root of 20, 4.5, 45/11
Step-by-step explanation:
square root of 45/4=3.354
square root of 20=4.47
4.5
45/11=4.9
True or false a polygon that has four sides and four angles is a pentagon
Answer:
I think that is false
Step-by-step explanation:
A pentagon has 5 sides
The statement "a polygon that has four sides and four angles is a pentagon" is false.
What is a quadrilateral?A quadrilateral is a polygon with 4 number of sides and 4 vertices. A few examples of a quadrilateral are square, rectangle, rhombus, parallelogram, etc.
A polygon with four sides is known as a quadrilateral, therefore, the statement "a polygon that has four sides and four angles is a pentagon" is false.
Learn more about Quadrilateral:
https://brainly.com/question/13805601
#SPJ2
Here is a table that shows students scores for 10 rounds of a video game. What is the median score?
145 is the median :)
Answer:
145
Step-by-step explanation:
130 + 150 + 120 + 170 + 130 + 120 + 160 + 160 + 190 + 140 = 1470
1470 ÷ 10 = 145
A roller coaster car starts at the loading platform, rises 30.4 meters, and then takes a steep dive of 50.4 meters into a valley. Plot the value of the altitude of the car after taking the steep dive directly on the vertical number line. Assume the platform is at an altitude of O meters. Drawing Tools Click on a tool to begin drawing. Delete Undo Reset
Answer: the answer is 2.5 meters long
Step-by-step explanation:
PLS HELP! URGENT ! 25 POINTS
Answer:
C
Step-by-step explanation:
Help asappp pleaseeee
Answer:
117 degrees
Step-by-step explanation:
Two vertical angles will always equal each other.
So, set up an equation where angle A and angle B equal each other to solve for x:
5x - 3 = 4x + 21
5x = 4x + 24
x = 24
Plug in 24 for x in the expression represent angle A:
5(24) - 3
120 - 3
117
Need help!! ASAPP!
With number #4
thx <3
Answer:
Clean and Bright
Step-by-step explanation:
For soapy suds, you would do 13×12, would would give you only 156 sq inches. However, with Clean and Bright, you would do 9×13×8 since it is three dimensional. This would give you 936 cubic inches, meaning it holds the most detergent.
4 tran ra To make cherry trail mix, Sebastián needs 4 oz of nuts for every 3 oz of dried cherries. To make sunflower trail mix, he needs 5 oz of nuts for every 2 oz of sunflower seeds. Can Sebastián make more cherry trail mix or sunflower trail m with 20 oz of nuts? Show your work. OLUTION metale to make bronz bronz
For starters I am not 100% sure of if this is correct I may not understand the quest so bare with me
Answer:
Cherry Trail Mix
Step-by-step explanation:
4 oz of nuts for every 3 oz of dried cherries
5 oz of nuts for every 2 oz of sunflower seeds
- Multpy the amount of nuts in each bag to 20 - Cherry Trail Mix: 4*5=20
Sunflower Trail Mix: 5*4=20
- Now multiply the amount of dried cherries and sunflower seeds by the number used to get to 20
Cherry Trail Mix: 3*5= 15 Sunflower Trail Mix: 2*4=8
- Now add up the amount of oz in each
Cherry: 20+15=35
Sunflower: 20+8=28
35oz > 28oz
The front view of a square pyramid is in the shape of a triangle that
has a base of 30 yards and a height of 40 yards. What is the area
of the front view of the square pyramid?
600 sq yards
0 1200 square yards
250 yards
600 yards
Answer:
600 sq yards
Step-by-step explanation:
font view as in on triangle
30*40/2 = 600
B*H/2 = area of triangle
simplify the expression: 3 (x + 4) - 2x
Answer:
x+12
Step-by-step explanation: