Answers
Answer:
20
Step-by-step explanation:
if u know about 90 60 30 triangles u wud know. i cant really explain it but it wud be worthwhile to search it up. its very simple and will help you a lot.
Answer:
x = 20
Step-by-step explanation:
cos 60 = 10/x
0.5 = 10/x
0.5x = 10
x = 20
Related Questions
I need help with my math
Answers
Answer:
16
Step-by-step explanation:
The formula for finding the length of a side of a right triangle is:
A^2 + B^2 = C^2 (c being the hypotenuse.)
We know what the length of the hypotenuse and one of the legs is, so we can solve by taking B^2 (the leg measuring 12) and subtracting it from C^2 (the hypotenuse) and then finding the square root of C^2.
20^2 - 12^2 = 256
or in simpler terms
20^2 - 144 = 256
Then, if we find the square root of 256 we get 16. We can check our work by substituting it back into the equation
16^2 + 12^2 = 20^2
or in simpler terms
256 + 144 = 400
So the length of the missing leg is 16. I hope this helps :)
Answer:
C. 16
Step-by-step explanation:
In order to find one side of a right triangle, given two sides, you can use the Pythagorean theorem: [tex]A^2+B^2=C^2[/tex]
We already have the values of one of the bases (12) and the hypotenuse (20), so we are looking for the second base. So, we have the values of B and C, and we need to find A.
To find A, put the values you already have into the formula as follows:
[tex]A^2+12^2=20^2[/tex]
Next, square each value:
[tex]A^2+144=400[/tex]
Subtract 144 from 400 to simplify the equation.
[tex]A^2=256[/tex]
And finally, find the square root of 256 to find A.
[tex]A=16[/tex]
Final answer:
C. 16
Have a nice day!
Checks can be used to:
make purchases
pay rent
pay bills
all of the above
Answers
Answer:
all of the above
Step-by-step explanation:
according to your question
8x-7(1/2x+7)=14
solve thid
Answers
Which is a better estimate for the volume of a conditioner bottle?
1 quart
or
1 Fluid Ounce
Answers
Answer:
1 Fluid Ounce
Step-by-step explanation:
can I please get some help
Answers
Answer:
Step-by-step explanation:
Area is graph 1
radius is graph 2
Circumference is graph 3
ask if you want to know how I figured those out :)
is it a function? and explain briefly why
Answers
Answer:
No
Step-by-step explanation:
Each output can only have one input
The ff data shows the weights of preschool children in a private school in kilograms: 15, 15.5, 18, 18.3, 19, 19.3, 18, 22, 21, 21, 22, 22.5. Find the 95% confidence interval for the true mean.
Answers
Which rule describes the x-coordinates in the translation below?.
x + 0
x + 6
x – 6
x + 2
Answers
Answer:
A) x + 0
Step-by-step explanation:
In triangle ABC, the coordinates are: A(1, -1), B(1, -5) and C(4, -5)
In triangle A'B'C', the coordinates are: A(1, -5), B(1, 1) and C(4, 1)
Look at the x-coordinates in both the triangles remains the same because the triangles are reflected over x-axis, therefore, only the y-coordinate changes.
Therefore, the rule for x-coordinates = x + 0
Answer: A) x + 0
Hope this was helpful.
Thank you.
Simplify the question
Answers
Answer:
The answer is 17x^2 + 4x - 2
if you click the image it will give you a better look at the answer just in case. Hope's this helps :)
Plz helpppppppppppppp helpppppppppppppp
Answers
Answer:
(A).option is correct..54cm2
what should be subtracted from 3 by 5 to get 1 by 5
Answers
Answer:
2/5
Step-by-step explanation:
Hope this helps you!!!
Answer:
2/5.
Step-by-step explanation:
because
3/5+2/5= 1
so, 2/5 will be the answer.
I hope this helps :)
Which organisms is an example of a producer?
Answers
Answer: Leaves
Step-by-step explanation:
Carlos Measured the link of a book to be 21 cm the actual length of a book is 23cm which of these is closest to the percent error for Diego's measurements
Answers
Answer: 8.70%
Step-by-step explanation:
Percent error is calculated as:
= (Accepted value - Experimental value) / Accepted value × 100
= (23 - 21) / 23 × 100
= 2/23 × 100
= 8.70%
The percentage error is 8.70%
pretend like i said sumn funny
Answers
Answer:
ok hahahahahahahahahha
Answer:
laughs
Step-by-step explanation:
The expression 16t² represents the distance, in feet, an object falls after t seconds. The object is dropped from a height of 906 feet.
Answers
Complete Question:
The expression 16t² represents the distance in feet an object falls after t seconds. The object is dropped from a height of 906 feet. What is the height in feet of the object 2 seconds after it is dropped?
Answer:
H(2) = 842 feet
Step-by-step explanation:
Let the height be H.
Given the following data;
H(t) = 16t²
Height, H = 906 feet
Time, t = 2 seconds
To find the time, t at 2 seconds, we would use the following formula;
H(t) = H - 16t²
H(2) = 906 - 16(2)²
H(2) = 906 - 16*4
H(2) = 906 - 64
H(2) = 842 feet
Therefore, the height in feet of the object 2 seconds after it is dropped is 842.
Find an overestimate for 33 x 67 by adjusting each factor up to the next ten
Answers
Answer:
210 Is my estimate
Step-by-step explanation:
What is the Value of X in the triange
Answers
Answer:
x = 65
Step-by-step explanation:
The sum of the angles of a triangle add to 180
25+ 2x+25 = 180
Combine like terms
50+2x = 180
Subtract 50 from each side
2x = 180-50
2x =130
Divide by 2
2x/2 =130/2
x =65
The volume of 2 spheres have a ratio of 27:125. what is the ratio of their areas
Answers
Answer:
the ratio is 9: 25
Step by step calculation:
[tex] \sqrt[3]{125} = 5 \\ 5 {}^{2} = 25 \\ \sqrt[3]{27} = 3 \\ 3 {}^{2 } = 9 \\ [/tex]
Find the circumference of a circle with radius, r = 10.5m.Give your answer in terms of π
.
Answers
Answer:
Circumference of circle =2πr=2π×10.5=21πm
Step-by-step explanation:
A certain hurricane travels at 20.88 kilometers per hour. The distance
from Cuba to Key West is 145 kilometers. Write and solve a multiplication
equation to find about how long it would take the hurricane to travel from
Cuba to Key West.
Answers
Answer:
6.94 hours
Step-by-step explanation:
20.88 = 145/t
20.88t = 145
t=145/20.88t
t=6.94
Answer:
6.94 hours
Step-by-step explanation:
I need help thank you
Answers
Answer:
Step-by-step explanation:
Use SOH CAH TOA to recall how the trig functions fit on a triangle
SOH: Sin(Ф)= Opp / Hyp
CAH: Cos(Ф)= Adj / Hyp
TOA: Tan(Ф) = Opp / Adj
we can find angle C b/c the angles of a triangle always add to 180 , soo
180= C + 81 +63.5
35.5 = C
now that we have angle C and we know the Hyp we can use sin to find side g
where g = Opp and Hpy = 13.8 for this question
Sin(35.5) = Opp / 13.8
13.8*Sin(35.5) = Opp
8.0137 = Opp
g = 8.0137
next they ask for the area of the biggest triangle ABC ( there are two smaller ones when you use D )
we can use 1/2 * base * height , but we don't know the base yet, even thou we do know the height.
we can solve for line segment CD and DB and then add them for the side a .. or the base of the biggest triangle sooo.. CD = adj
Cos(35.5) = Adj / 13.8
13.8*Cos(35.5) = Adj
11.234794 =Adj
now solve for DB using cos again but with the other smaller triangle where Adj = DB now
Cos(63.5) = Adj / 8.9
8.9*Cos(63.5) = Adj
3.971160
add these two Adjs together to get the total 'a' side
15.205954
now plug in side a as the base and g as the height of our biggest triangle
Area = 1/2 * 15.205954 * 8.0137
Area = 60.9159
rounded to 2 sig figs
Area = 60.92 :) hope you get an "A" :P
2) A circle has an area of 12ñ cm?. Find its circumference. (Round your answer to the
nearest tenth.).
Answers
Answer:
Circumference = 6.92πor
21.75 cmStep-by-step explanation:
Area of Circle = π × radius²
Area of Circle = 12π cm
π × radius² = 12π
radius² = 12
radius = √12
radius = 3.46
Circumference = 2 × π × radius
Circumference = 2 × π × 3.46
Circumference = 6.92πJimbo has been putting spare change in a jar for a month. He has collected a total of
117 coins. In one jar he has pennies and in another jar he has quarters. He added them
up and found he had $17.25. How many quarters did he have?
Answers
Answer:
34
Step-by-step explanation:
17.25/2 = 8.62500
8.62500/0.25 = 34 quarter coins,
117 - 34.5 = 83 pennies
If the diagonals of a quadrilateral are congruent, is the quadrilateral always a rectangle?
Answers
Answer:
Yes
Step-by-step explanation:
The only quadrilaterals with congruent diagonals are squares and rectangles and squares are technically rectangles so the answer is yes.
If the diagonals of a quadrilateral are congruent. Then the quadrilateral is always a rectangle which is false.
What is a quadrilateral?The quadrilateral has four sides and four angles. The sum of internal angles is 360 degrees.
It is a polygon with four sides. The total interior angle is 360 degrees. A rectangle's opposite sides are parallel and equal, and each angle is 90 degrees. Its diagonals are all the same length and intersect in the center.
If the diagonals of a quadrilateral are congruent. Then the quadrilateral can be a square or a rectangle.
If the diagonals of a quadrilateral are congruent. Then the quadrilateral is always a rectangle which is false.
More about the quadrilateral link is given below.
https://brainly.com/question/13805601
#SPJ5
please help me ill mark you brainliest and please show your work :)
Answers
What inverse operations do you use to solve for b?
-9 = -11 + b/8
Answers
Answer:
I would use multiplication
Step-by-step explanation:
Multiplication is the opposite of dividing.
The Maplewood Symphony Orchestra sold 146 tickets and
collected a total of $1036 in ticket sales. Admission was $5 for
children, x, and $8 for adults, y. How many children
tickets were sold?
Answers
Answer:
44 children tickets
Step-by-step explanation:
This is a system of equations. I solved for y, the amount of adult tickets sold which equals 102. To get the amount of children's tickets, subtract 102 from 146 to get 44.
Does anyone know how to this cause I need to know how to do it.
Answers
|-3| + 7 could be re-written as 3 + 7
|-3 + 7| could be re-written as 3 + 7
Answer:
(a)= 10
(b)=4
Step-by-step explanation:
the lines are absolute value, so anything in the lines will be positive
40
30
Total Cost ($)
20
10
+
o
2 4 6 8
Games
Slope:
Meaning of slope:
Y-intercept:
funtction
Answers
Answer : 70
Step-by-step explanation: because 40 +30 and the biggest number in the chart is 7 just add a 0 and it becomes 70
PLZZZZZZZZZZ i said plzzzzzzzzzzzzzzzzz
Answers
Answer:
136
Step-by-step explanation:
Answer:
136
Step-by-step explanation:
90+46