What is the correct answer?

Mathematics

2 answers:

Fynjy0 [20]2 years ago

8 0

I believe it’s 12. But I’m not sure

marin [14]2 years ago

7 0

I think it’s 12 but I’m not positive

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The price (in dollars) p and the quantity demanded q are related by the equation: p^2+2q^2=1100.If R is revenue, dR/dt can be ex

bagirrra123 [75]

FOR THE FIRST PROBLEM:

Differentiating p^2 + 2q^2 = 1100 with respect to time => 2p(dp/dt) + 4q(dq/dt) = 0

dp/dt = -2q/p(dq/dt) 

R = pq 

dR/dt = p(dq/dt) + q(dp/dt) = -p²/2q(dp/dt) + q(dp/dt) = (2q² - 1100)/2q * (dp/dt) + q(dp/dt) 

A = (2q - 550/q)

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3 0

3 years ago

Help! Multiplying mixed numbers 1 2/3 x 1 1/4

Kazeer [188]

Answer:

25/12

Step-by-step explanation:

So first change the mixed numbers into improper fractions. 5/4 ad 5/3. Then just multiply them. 25/12.

4 0

2 years ago

Read 2 more answers

Can someone pls help me with this its sooo confusing

Mademuasel [1]

9514 1404 393

Answer:

$189.32

Step-by-step explanation:

Add all of the numbers shown to the beginning balance to find the ending balance.

$92.19 -39.35 +49.76 +87.35 +9.97 -10.60 = $189.32

Tristan's balance at the end of the month was $189.32.

There should be no confusion. Money deposited into the account increases the balance by the amount deposited.

Money spent from the account decreases the balance by the amount spent.

Here, amounts deposited are given a plus sign (+); amounts spent are given a minus sign (-).

Additional comment

It can be tedious to enter these numbers correctly into a calculator. Many folks prefer a calculator that provides a "tape", a record of the amounts and operations the calculator uses in the computation. Alternatively, you can put the numbers in a spreadsheet and use the SUM function to do the addition for you. That, too, makes it easy to check that numbers have been entered correctly.

The attachment shows the calculation done in a spreadsheet.