Answer:
There is evidence that the nutrition label does not provide an accurate measure of calories in the bags of potato chips at 5% level of significance.
Step-by-step explanation:
Given that the nutrition label on a bag of potato chips says that a one ounce (28 gram) serving of potato chips has 130 calories and contains ten grams of fat, with three grams of saturated fat.
Sample size of 35 gave mean as 134 with s = sample std dev = 17
(two tailed test)
Mean difference =
Std error of sample mean =
Since only sample std deviation is known, we use t test
df =34
t = mean diff/std error = 1.392
=0.1729
Let us fix significance level as 5%
since p <0.05 we reject null hypothesis
There is evidence that the nutrition label does not provide an accurate measure of calories in the bags of potato chips
Answer:
x-intercept of the graph of the function is,
Step-by-step explanation:
Given the function: ......[1]
x-intercept defined as the graph crosses the x-axis.
Substitute value of y = 0 in [1] and solve for x;
or
Take the inverse cotangent of both sides of the equation and solve for x;
3x = arccot (0)
We know the exact value of
then;
Divide both sides by 3 we get;
Since, the cotangent function is positive in the first and third quadrants.
The period of the function is so values will repeat every radians in both directions.
we have;
Therefore, the x-intercept of the graph of the function is ;
for every integer n;
B, short explanation remember the sets are set up like (x,y) in a set there should be no matching x points so if it matches it's not a function :)
long explanation: these are (x,y) sets {(0,3), (3,0), (0,4), (4,0)} the first choice shows that there are two X solutions <span>if they are equal to 0 (0,3) (0,4) so this cant be a function.
second choice</span><span> {(0,2), (2,0), (4,6), (6,4)} does not have two X solutions so this is a function
third choice</span>{(2,6), (3,6), (4,6), (2,0)} has two X solutions if x is equal to 2
and the last choice <span>{(6,2), (2,0), (4,6), (6,4)} has two X solutions if x is equal to 6
hope i helped! if i did please give me brainlest :)
</span>
-3x-2y=30
-2y=3x+30
y=-3/2x-15
the answer is y=-3/2x-15
Answer:
84 percent
Step-by-step explanation:
just write it as a fraction or as a division
42 / 50 = 0.84