12 girls out of 19, how many out of 76
12 - x
19 - 76
Cross product:
19x= 1152
/19. /19
x= ~61
There are (around) 61 girls
Answer:
A. ~14.3 B. ~9.93
Step-by-step explanation:
A.
By looking at the equation you can see that you need to find the tan of the angle so the equation will be "Tan 40= 12/x" which you can simplify to "X=12/Tan 40" which equals "about 14.3"
B.
This one is very similar
By looking at the equation you can see that you need to find the Cos of the angle so the equation will be "Cos 25= 9/x" which you can simplify to "X=9/Cos 25" which equals "about 9.93"
Answer:
Step-by-step explanation:
36 is the anwser
We have to use the functions:
h ( x ) = 2 x + 5 and t ( x ) = 7 x - 6
Part A:
( h + t ) ( x ) = ( 2 x + 5 ) + ( 7 x - 6 ) = 9 x - 1
Part B :
( h · t ) ( x ) = ( 2 x + 5 ) · ( 7 x - 6 ) = 14 x² - 12 x + 35 x - 30 =
= 14 x² + 23 x - 30
Part C :
h [ t ( x ) ] = h ( 7 x - 6 ) = 2 · ( 7 x - 6 ) + 5 = 14 x - 12 + 5 =
= 14 x - 7
Answer:
ACB = 85
Step-by-step explanation:
First find x:
10+ x + 60 = 120 - x
x + 70 = 120 - x
Add x to both sides
2x + 70 = 120
subtract 70 from 120
2x = 50
Divide 2 from both sides
x = 25
10 + 25 + 60 = 95
Subtract 95 from 180
ACD = 85
