Answer:
-3.3
Hope this helps :D
I need help thank you
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
Como que c faz conta de raiz quadrada?
Answer:
could u say it in english and is it a multiple chice?
Step-by-step explanation:
-2/5 w+11 2/5=9 4/5 solve for w please
Answer:
w = 4.
Step-by-step explanation:
-2/5 w+11 2/5=9 4/5
-2/5w + 57/5 = 49/5
Remove the fractions by multiplying thru by 5:
-2w + 57 = 49
-2w = 49 - 57
-2w = -8
w = 4.
Answer:
w= -8/5
Step-by-step explanation:
Which rule describes the x-coordinates in the translation below?.
x + 0
x + 6
x – 6
x + 2
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.
8x-7(1/2x+7)=14
solve thid
Which is a better estimate for the volume of a conditioner bottle?
1 quart
or
1 Fluid Ounce
Answer:
1 Fluid Ounce
Step-by-step explanation:
Checks can be used to:
make purchases
pay rent
pay bills
all of the above
Answer:
all of the above
Step-by-step explanation:
according to your question
Line AB contains points A (8, −4) and B (1, −5). The slope of line AB is (5 points) Group of answer choices −7 negative 1 over 7 1 over 7 7
Answer:
1/7
Step-by-step explanation:
Given that :
Line AB contains points A (8, −4) and B (1, −5)
Slope = Rise / Run
Rise = y2 - y1 = - 5 - (-4) = - 5 + 4 = - 1
Run = x2 - x1 = 1 - 8 = - 7
Slope = Rise / Run = - 1 / - 7
Slope = 1/7
what should be subtracted from 3 by 5 to get 1 by 5
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 :)
Find the circumference of a circle with radius, r = 10.5m.Give your answer in terms of π
.
Answer:
Circumference of circle =2πr=2π×10.5=21πm
Step-by-step explanation:
Find an overestimate for 33 x 67 by adjusting each factor up to the next ten
Answer:
210 Is my estimate
Step-by-step explanation:
PLZZZZZZZZZZ i said plzzzzzzzzzzzzzzzzz
Answer:
136
Step-by-step explanation:
Answer:
136
Step-by-step explanation:
90+46
What inverse operations do you use to solve for b?
-9 = -11 + b/8
Answer:
I would use multiplication
Step-by-step explanation:
Multiplication is the opposite of dividing.
anyone know this? i think it’s 10x. but i’m not sure.
Answer:
i think its 25x^2
Step-by-step explanation:
5x×5x is 25x^2, because 5 × 5 = 25, and x × x = x^2
40
30
Total Cost ($)
20
10
+
o
2 4 6 8
Games
Slope:
Meaning of slope:
Y-intercept:
funtction
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
¿cómo puedo encontrar el valor de x en grados?
the answer of
1. x= 60
2. x= 50
Which organisms is an example of a producer?
Answer: Leaves
Step-by-step explanation:
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?
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.
2) A circle has an area of 12ñ cm?. Find its circumference. (Round your answer to the
nearest tenth.).
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 = 6.92πThe 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.
please help me ill mark you brainliest and please show your work :)
If the diagonals of a quadrilateral are congruent, is the quadrilateral always a rectangle?
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
Plz helpppppppppppppp helpppppppppppppp
Answer:
(A).option is correct..54cm2
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.
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:
The two triangles are similar to each other. How long is the side labeled “?”
Answer:
12
Step-by-step explanation:
The smaller triangle seems to have dilated and formed the larger triangle. So, let's find the factor of increase.
9 / 3 = 3, so 3 is the factor of increase.
Now we need to do 4 x 3 = 12
So, ? = 12
Hope that helps!
-Sabrina
Simplify the question
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 :)
i need a number for this question !!!! hurry pleasee !!!!!!
Answer:
1
Step-by-step explanation:
every output has a different input so the answer would be one
Answer:
A function is a specific type of relation in which each input value has one and only one output value. An input is the independent value, and the output value is the dependent value, as it depends on the value of the input.
I need help with my math
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!
is it a function? and explain briefly why
Answer:
No
Step-by-step explanation:
Each output can only have one input
Please help
Which expressions are equal to
Answer:
2 is the answer
Step-by-step explanation: