Answer:
angle HEG = 12 degrees
Step-by-step explanation:
A line is 180 degrees. Since there is a right angle there, you know that angleHEG and 78 added together is 90degrees
x + 78 = 90 >> subtract 78 from both sides
x = 12
angle HEG = 12 degrees
Answer:
13 pages
Step-by-step explanation:
Anna's printer can print :
8 pages in 12 minutes
2/3 pages in 1 minutes
40/3 pages in 20 minutes
or 40/3 pages in 4/5 hours as 4/5 hours is same as 20 minutes.
X = t +4
y = t^2
Rewrite the first equation:
x = t+4
Subtract 4 from each side:
t = x-4
Replace t in the 2nd equation with the rewritten equation:
y = x-4^2
Rewrite x-4^2 as (x-4)(x-4)
Use FOIL to get y = x^2-8x+16
The answer is D.
Answer:
±√7
Step-by-step explanation:
![3 {x}^{2} + 7 = 28 \\ 3 {x}^{2} = 21 \\ {x}^{2} = 7 \\ x = \sqrt{7}](https://tex.z-dn.net/?f=3%20%7Bx%7D%5E%7B2%7D%20%20%2B%207%20%3D%2028%20%5C%5C%203%20%20%7Bx%7D%5E%7B2%7D%20%20%3D%2021%20%5C%5C%20%20%7Bx%7D%5E%7B2%7D%20%20%3D%207%20%5C%5C%20x%20%3D%20%20%5Csqrt%7B7%7D%20)
Answer: The answer is 3 3/5 because you divide 2 1/4 and 5/8 you do KCF keep change flip but since it is a whole number divided by a fraction you multiply the whole number with the denominator and than add it by the numerator so no the problem is 9/4 • 8/5 which is 72/20 which is a improper fraction so it is 3 12/20 but it can be reduced to 3 3/5 and thats how you do it.