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3 years ago

An angle between 180’ and 360’

Mathematics

2 answers:

stealth61 [152]3 years ago

3 0

Step-by-step explanation:

you start with 90 then 180 then270 then 360

Anna [14]3 years ago

3 0

270° if you’re on your phone press and home on zero to get a degree symbol

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Peter deposited $8,975 into a savings account 21 years ago. The account has an interest rate of 3.8% and the balance is currentl

Alexus [3.1K]

The formula for the future value of the account is
A = P(1 + r/n)^(nt)
where you have
A = 19909.20
P = 8975
r = 0.038
t = 21

The resulting equation is not one that can be solved by algebraic means, but we can use a graphing calculator to find n. This graph shows us n = 12, so

the interest compounds monthly.

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3 years ago

The profit when selling 'x' pairs of shoes is P(x)=-4x^2+32x-39. How many pairs of shoes should be sold in order to maximize the

Vitek1552 [10]

Answer: $4$ pairs

Step-by-step explanation:

Given

Profit on selling 'x' pairs of shoes is $P(x)=-4x^2+32x-39$

Find the derivative of the function to find out the critical points

$\Rightarrow -8x+32=0\\\Rightarrow x=4$

Thus, for 4 pair of shoes profit is maximize.

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3 years ago

The graph shows a dilation with respect to the origin of rhombus RHOM. what is the factor of dilation?

Sonja [21]

Answer: A

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Rewrite without parentheses-8w^2x^6(7x^3+3w-6)

umka21 [38]

Answer:

-56w^2x^9-24w^3x^6-48w^2x^6

Step-by-step explanation:

Expand by distributing terms.

-(56w^2x^9+24w^3x^6-48w^2x^6)

Then remove the parentheses

6 0

3 years ago

Suppose that y varies directly with x and y=10 when x=20. What is y when x=15

Likurg_2 [28]

Answer:

y=kx

subst y=10 and x=20 into the above

10=k20

k=10/20

k=1/2

therefore relationship: y=1/2x

subst x=15 into the relationship

y=1/2(15)

y=7,5

Step by step explanation:

Step 1: when they say y varies directly with x they mean y is proportional to x
step 2: so y=kx where k is the constant
step 3: is to substitute y=10 and x=20 into the above equation y=kx
step 4: you will end up with 10=k20 then divide both sides by 20 so that k becomes the subject of the formula 
step 5: your answer from the above will be k=10/20 so the relationship is y is directly proportional to 1/2 x what you did here is that you substituted k for 1/2 in the equation in step 3
step 6: is to finally substitute x=15 into the equation y=1/2x to finally get your answer y=7,5.

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3 years ago