How many days are in 3 2/7 weeks

Answers

Answer 1

Answer: Well, there are 7 days in a week, so we'll have to multiply that by 3, which would be 21, plus the other 2 days stated in da problem, so that would be a total of 23 days!
I hope I helped, and PLEASE choose my answer as the Brainliest!
Thank you! =D

Answer 2

Answer: 7 × 3 = 21
21 + 2 = 23

So therefore, 23 days.

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Easy - lots of points!!
For the function f defined by f(x) = 2x^2 – 3x, evaluate: f(x+3)

Answers

Answer:

2x² + 9x + 9

Step-by-step explanation:

To evaluate f(x + 3) substitute x = x + 3 into f(x), that is

f(x + 3) = 2(x + 3)² - 3(x + 3) ← expand (x + 3)² using FOIL

= 2(x² + 6x + 9) - 3(x + 3) ← distribute both parenthesis

= 2x² + 12x + 18 - 3x - 9 ← collect like terms

= 2x² + 9x + 9

Answer: f(5) = 14 should be the answer

Simplify the expression and tell if the answer is a rational or irrationalnumber.
√144
O 12; rational number
O 12, irrational number
O 144; rational number
144; irrational number
O 72; rational number
72; irrational number

Answers

Answer:

The expression √144 simplifies to 12.

So, the answer is 12, which is a rational number

Step-by-step explanation:

because it can be expressed as a fraction of two integers (12/1).

A new crew of painters can paint a small apartment in 12 hours and experience crew can paint a small apartment in six hours how many hours does it take to paint the apartment on the true cruise work together

Answers

Answer:

The new crew and the experience crew working together can paint the apartment in 4 hours.

Step-by-step explanation:

Given:

Time taken by new crew of painters to paint an apartment = 12 hours

Time taken by experience crew of painters to paint an apartment = 6 hours

To find the time taken by them to paint the apartment working together.

Solution:

Using unitary method to determine their 1 hour work.

In 12 hours the new crew can paint = 1 apartment

So,in 1 hours the new crew can paint = $(1)/(12)$ of the apartment

In 6 hours the experience crew can paint = 1 apartment

So,in 1 hour the experience crew can paint = $(1)/(6)$ of the apartment

Now, the new crew and the experience crew are working together.

So, in 1 hour, they can paint :

⇒ $(1)/(12)+(1)/(6)$

Taking LCD = 12, we will add fraction.

⇒ $(1)/(12)+(2)/(12)$

⇒ $(3)/(12)$

Simplifying fraction we have:

⇒ $(1)/(4)$ of an apartment

Again using unitary method to determine the time taken by them working together to paint the whole apartment.

They can paint $(1)/(4)$ of an apartment in 1 hour.

To paint 1 apartment they will take = $(1)/((1)/(4))=4$ hours

Thus, the new crew and the experience crew working together can paint the apartment in 4 hours.

Put these in order of size smallest first 0.8 30% 3/5

Answers

30% , 3/5 , 0.8Checking:30%=30%3/5=60%0.8=80%

Please help me i dont get it

Answers

I can see your problem immediately . . . there's no question !

Since y^2 + 6y + 9 can be factored, the polynomial is not factored all the way. To factor it, try (y + 3)(y+3) or simply put, (y +3)^2. Don't forget to keep the 6y^2, so the completely factored version would be : 6y^2 (y+3)(y+3)

Skateboard Revenue: A skateboard shop sells about 50 skateboards per week for the price advertised. For each $1 decrease in price, about 1 more skateboard per week is sold. The shop's revenue can be modeled by y=(70-x) (50+x). Use vertex form to find how the shop can maximize weekly revenue. [I can get this into vertex form, but I'm not understanding how to read the vertex form of the equation to answer the question]

Answers

60 skateboards were sold for maximum revenue.

What is Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side. It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Quantity Demanded is inversely related to price as Quantity Demanded increases then price decreases.

Initially,

Q = 50 when P =70

Q = 51 when P=69

Finally, Q=0 when P =120

Q=120 when P=0

Slope = -1

Use the point slope formula

y=mx + b

or Q=-P+b

50= -70+120

b=120

So, Q=-P+120 is the equation for the demand curve

now, Revenue

PQ = P(-P+120) = -P2 + 120P

R' = -2P + 120 and set it equal to zero and solve for P

-2P+120 = 0

2P=120

P = $60

That is the revenue maximizing price plug it into the demand curve equation

Q=-P+120

Q=-60+120

Q = 60

Thus, the number of skateboards sold that maximizes revenue is 60

and, the maximum revenue = 60x60

= $3,600 for a week

Learn more about equation here:

brainly.com/question/10413253

#SPJ2

Answer:

fds

Step-by-step explanation:

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