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Dmitriy789 [7]
2 years ago
10

Analyze the diagram below and complete the instructions that follow. find sin angle C

Mathematics
1 answer:
tia_tia [17]2 years ago
5 0

the answer is A ;

sin = opposite/ hypotenuse

= 24/ 26 ( we need to simplify it)

= 12/13

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Please help me<br><br><br><br>The question has 7 marks so please give 7 valid reasons
barxatty [35]
Its a cube with dimensions 4 by "x+1" by "x+11"
So if you multiply all 3 of these you will get the total volume of 924.
So our equation is:
4(x+1)(x+11) = 924
(x+1)(x+11) = 231
x²+12x+11 = 231
x²+12x-220 = 0

Now factor to:
(x+22)(x-10) = 0
Thus x = -22 or 10.

Only 10 makes sense here since we can't have a negative length.  So x = 10.
Now plug in x back into our original expressions to get the dimensions.

The original dimesions are: 4cm x 11cm x 21cm

Ta-dah!

5 0
3 years ago
What is the inverse of the function f(x) = 3x – 2?<br> f-1(x) =
Eddi Din [679]

Answer:

\frac{x + 2}{3}

Step-by-step explanation:

Replace y with f(x).

y = 3x - 2

Swap x and y and solve for y

x = 3y - 2

x + 2 = 3y

\frac{x + 2}{3}  = y

7 0
3 years ago
“The sum of 6 consecutive integers is 519” what is the third number in this sequence?
Rashid [163]
Let x be the first integer, then
:
x + (x+1) + (x+2) + (x+3) + (x+4) + (x+5) = 519
:
6x + 15 = 519
:
6x = 504
:
x = 84
:
*****************************
Our sequence is
:
84, 85, 86, 87, 88, 89
:
The third integer is 86
7 0
2 years ago
(z+6)÷3=(2z)/4<br> Please solve for z
frosja888 [35]
(z + 6) / 3 = 2z / 4
this is a proportion, so we cross multiply
(3)(2z) = 4(z + 6)
6z = 4z + 24
6z - 4z = 24
2z = 24
z = 24/2
z = 12 <==
7 0
3 years ago
Read 2 more answers
A recent survey asked UF students if they had a job or not, and if they were underclassmen (Freshmen and Sophomores) or uppercla
vlada-n [284]
Following the table and knowing that the total number of students interviewed were 158 ( we can see this by looking adding either the total number of upperclassment or adding the total number of people with jobs or no jobs, this value is at the bottom right of the table in the figure attached).
Recall that:
P(A\cup B)=P(A)+P(B)-P(A\cap B)
In the figure provided each of these terms is highlighted in a different color. To convert these values to their matching probabilities we have to divide each by the total number of students, this is due to the fact that the probability is the number of favorable cases (in this case a group matching the qualities we seek) divided by the total amount of cases ( that is the total number of people interviewed). In the figure the answer is provided. For the intersection of the two events we're looking for people that is both an undercalssman and also has a job.

3 0
3 years ago
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