Answer:
2 inches make a foot, therefore the scale model is 1/21 the size of the actual if you're using the information given above. so the wingspan should be 10
Hope I Helped You:)
Answer: Option 'd' is correct.
Step-by-step explanation:
Since we have given that
Margin of error = 0.5 years
Standard deviation = 5
At 90% confidence, z = 1.645
We need to find the minimum size of the sample they must take.
So,
Hence, Option 'd' is correct.
Answer:
Step-by-step explanation:
x^2 + 4x = 15.....take half of ur x term, then square it, then add to both sides
x^2 + 4x + 4 = 15 + 4
(x + 2)^2 = 19
sqrt (x + 2)^2 = sqrt 19
x + 2 = sqrt 19
x = -2 (+ - ) sqrt 19
so x = -2 + sqrt 19 or x = -2 - sqrt 19
Answer:
$858.02
Step-by-step explanation:
Take $788.99 times 8.75% = 69.03 this is the amount of tax
Add 788.99 and 69.03 = 858.02
The first bullet is correct.