Answer:
a ⇒ -1
b ⇒ -9
c ⇒ 9
d = 3
e ⇒ 3
f ⇒ 2
g ⇒ 1.5
Step-by-step explanation:
Answers off of Edge 2020
Substitute the given into the function
f(-4) = |7(-4) - 3|
now solve
f(-4) = |-28 - 3|
f(-4) = | -31|
the absolute value of |-31| is 31
so,
f(-4) = 31
Hope this helps :)
Step-by-step explanation:
k =70 because all triangles angles add up to 180° and it's an acute angle cause all the angles are lower than 90° hope this helps
Answer: 4/5=80%
7/8= 87.5%
Step-by-step explanation: 4 divided by 5 is 0.8, meaning the percentage is 80%
7 divided by 8 is 0.875, meaning the percentage is 87.5
Answer:
Step-by-step explanation:
The firm tests 75 parts, and finds that 0.25 of them are notusable
n = 75
x = 0.25 \times 75 = 18.75≈19
Confidence level = 95%
So, Z_\alpha at 95% = 1.96
Formula of confidence interval of one sample proportion:
Confidence interval 
