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3 years ago

Sin2xcosx + cos2xsinx=-1/2

1 answer:

8 0

If you know the rule,

The left side is equal to sin(3x), which is equal to -1/2

So x = (12pi*n-pi) / 18, where n is any integer.

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G(1)=3x-8 i need the answer to this

kiruha [24]

Step-by-step explanation:

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6 0

3 years ago

Suppose the test scores of students in a class are normally distributed with a mean of 85 and a standard deviation of 4. What is

UkoKoshka [18]

Answer:

Step-by-step explanation:

Converting it to z, we can use the formula of z-score:

z-score = $\frac{x-\mu}{\sigma}$

Where

x is the value we are checking for (here, x = 79)

$\mu$ is the mean, which is 85

$\sigma$ is the standard deviation, which is 4 now

Let's plug the information into the formula and solve for the answer:

$\frac{x-\mu}{\sigma}\\\frac{79-85}{4}\\-\frac{6}{4}\\-1.5$

B is the correct answer.

7 0

3 years ago

Suppose that y equals 2x -3. The following points lie on the graph of this equation: A(a,2a-3), B(b,2b-3), and C(c,2c-3). Amy cl

HACTEHA [7]

Linear since it is 1st degree (highest exponent of variable is 1)

if they lie on the line, then the slopes are equal

if any 2 points on a line will have the same slope as another set of 2 points (a line's slope never changes in a linear function)

4 0

3 years ago

Find the volume 11 points

nikitadnepr [17]

Answer:

Step-by-step explanation:

Online calculators are great. (not a passive aggressive statement btw)

7 0

3 years ago

Raman buys two packages of chicken wings. One package weighs 1.28 pounds, and the other weighs 2.63 pounds. The price of chicken

AnnZ [28]

Total cost of the chicken wings is $12.71

Step-by-step explanation:

Step 1: Given weight of package 1 = 1.28 pounds, package 2 = 2.63 pounds and price of chicken wings per pound = $3.25

Step 2: Calculate total weight of both packages = 1.28 + 2.63 = 3.91 pounds
Step 3: Calculate total cost of chicken wings

⇒ Total Cost = 3.91 × 3.25

⇒ Total cost = $12.71

4 0

3 years ago