Answer:
B- 125
Step-by-step explanation:
c + a = 400
a = 400 - c
5c + 8a = 2825
5c + 8(400 - c) = 2825
5c + 3200 - 8c = 2825
3c = 375
c = 125
Answer:
a) It is a one-tailed test
Step-by-step explanation:
The number of plants he sets up in the room, n = 20
The number of plants that grew more with Miracle Grow = 14
The alpha level α = 0.01
A one-tailed test is used when the critical-area of interest in the distribution is either to the left or right of a value on the number line. That is the test is concerned if the test result is either less than or more than a value
In the test the farmer subjects all 20 plants to the same test treatment without any control experiment, therefore, the farmer evaluates the plants based on how much they grow compared to each other, that is if they grow more or less than their pairs
Therefore a one-tailed test should be used.
Total volume = 3 litres
Volume of each glass = 1/4 litre
Divide 3 by 1/4
3 / (1/4)
3* (4/1)
= 12 glasses
A) white = 1/3
Van = 1/4
White van means “AND” which is multiplication
1/3 X 1/4 = 1/12
B) blue sedan same approach 1/12
Green motorcycle same thing 1/12
OR means ADD so 1/12 + 1/12 = 2/12 or 1/6 when simplified
C) purple is not an option so probability is zero
Answer:
the triangle is not right angled traingle
Step-by-step explanation:
For a right angle triangle
+ = where a is the base , b is the height and c is the hypotenuse
taking a= 6 b = 14 and c = 15
hence + =
36+196 = 232 which is not equal to 225
therefore the triangle is not right angled traingle