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4 years ago

12

Teri is downloading a file on the computer shows this image after taking two minutes to download about how long will it take Ter

ry to download the whole file

1 answer:

torisob [31]4 years ago

8 0

4 min because it took tow so I added tow more

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Becky buys a notebook for $1.59 and pens for $0.29 each. She spends $5.07. Assume there is no sales tax where Becky lives.

Mekhanik [1.2K]

Answer:

Not sure

Step-by-step explanation:

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3 years ago

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Jake recorded a special album in honor of Mothers Day. His mom was so excited she purchased 40% of the copies in true store. She

Ludmilka [50]

The answer is 200.

40% = 80

40%/4 = 80/4

10% = 20

10% • 10 = 20 • 10

100% = 200

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3 years ago

Please help me and my son I am confused

Agata [3.3K]

Answer:

-13 $p^{4}$ - $8p^{2}$ + 4p + 3

Step-by-step explanation:

I am having a little trouble reading the number. I think 5 is the question number and not part of the problem. I think this is the problem:

(4p - 6 $p^{4}$ - 3) - (8 $p^{2}$ + 7 $p^{4}$ - 6) You take the opposite of everything inside the second set of parentheses. You can think of it as multiplying through by -1

4p - 6 $p^{4}$ - 3 - 8 $p^{2}$ - 7 $p^{4}$ + 6 Now we combine like terms. That is the numbers with the same variable p and the same power of p.

-13 $p^{4}$ - 8 $p^{2}$ + 4p + 3

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2 years ago

Differentiate Vx(x + 2) with respect to x.

Travka [436]

Answer:

$y'= \frac{3x+2}{2\sqrt{x} }$

General Formulas and Concepts:

<u>Calculus</u>

The derivative of a constant is equal to 0

Basic Power Rule:

f(x) = cxⁿ
f’(x) = c·nxⁿ⁻¹

Product Rule: $\frac{d}{dx} [f(x)g(x)]=f'(x)g(x) + g'(x)f(x)$

Chain Rule: $\frac{d}{dx}[f(g(x))] =f'(g(x)) \cdot g'(x)$

Step-by-step explanation:

<u>Step 1: Define</u>

$y=\sqrt{x} (x+2)$

<u>Step 2: Rewrite</u>

$y=x^{\frac{1}{2} } (x+2)$

<u>Step 3: Differentiate</u>

Product Rule [Basic Power/Chain Rule]: $y'= \frac{1}{2} x^{\frac{1}{2} -1}(x+2)+x^{\frac{1}{2} }(1)$
Simplify: $y'= \frac{1}{2} x^{\frac{-1}{2}}(x+2)+x^{\frac{1}{2}}$
Rewrite: $y'= \frac{x+2}{2\sqrt{x} } + \sqrt{x}$
Add: $y'= \frac{3x+2}{2\sqrt{x} }$

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3 years ago

What is the solution to this system of equations?

labwork [276]

Answer:

C

Step-by-step explanation:

C. x=7, y=5

4 0

2 years ago