Answer:
The answer is 7/24.
Step-by-step explanation:
I attached a picture, but I'll try to walk through it here.
1) A negative and a negative makes a positive, so h becomes positive.
2) I added 7/8 to both sides, in order to "isolate the variable", which simply means to get h by itself, on one side of the equation (you'll likely hear it said both ways).
3) I multiplied 7/8 by 3/3, and multiplied -7/12 by 2/2. This is known as a common denominator, which in this case is 24. You can only add and subtract fractions that have a common denominator.
4) Multiply both of the fractions to get 21/24 + (-14/24). "Adding a negative" is the same thing as subtracting.
5) 21 - 14 = 7, and since our denominators are the same, the answer is 7/24.
You can confirm the answer by substituting, or "plugging" 7/24 into your original equation, in place of h.
B 3&3/4 you add the last two numbers then subtract the first.
This question is saying that there is some point on the line where the x-value equals 4. So when x=4, what does y equal. I think this should be enough for you to be able to answer it now. If you need more help, though, just let me know
<u>Answers</u>
C = 58.84
B = 97.16°
<u>Explanation</u>
The sine rule states:
SinA/a = sinB/b
∴ sin24 / 77 = sinC / 162
sinC = (162 × sin24)/77
= 65.89/77
= 0.85573
C = 58.84°
Angles in a triangle add up to 180°
∴ B + 24 + 58.84 = 180
B = 180 - 24 - 58.84
= 180 - 82.84
= 97.16°
=
Answer:
The probability the spinner has to fall into an unshaded section or point to an even number is: 5/10 or 1/2
Step-by-step explanation:
To understand this answer we need to analyze the context. First of all, spinners usually are numbered from 1 to 10. Meaning that they have 5 even numbers and 5 odd numbers. Because 2,4,6,8,10 are even numbers and 1,3,5,7,9, are odd numbers considering even numbers can be cut in half to obtain complete numbers. Now, if there are 5 out of 10 we have a probability of getting 5/10 chances of an even number or unshaded section. Simplified to 1/2.
