Answer:
See below
Step-by-step explanation:
<u>Sine function</u> would be easiest
in a right triangle sin = opposite leg / hypotenuse
sin 57 = 10.8 / x
then <u> x = 10.8 / sin 57 </u> then <u>x = 12.88 units</u>
The quotient between 41/3 is 13 to 14. Easy Division.
Answer: 1) 2x+18=-15
2) -33+18
Step-by-step explanation: 1) multiply the outer number by the numbers inside the parentheses : 2 times x would = 2 because x is not by itself so it would be X=1x and you are multiplying 2x1 which = 2 and add the variable x so it would be 2×, and same with 18, you multiply 9x2 which =18 and thats how i got 2x+18 doesnt matter if i havent found the x yet because we already know what it equals to which is -15... 2) X=16.5 so to check we do 2×-16.5 which = -33 and add 18 it = -15
(IM NOT SURE ABOUT THE THRID ONE )
Answer:
-4<X<6
Step-by-step explanation:
Let the number be X
Hence -4<X<6
So the equation would be 4x+x=30. So since they have the same variable, x and 4x, you add them together to get 5x=30. Then you divide by both sides and get x=6. So there are 6 spaniels.