3 years ago

Hello! i'll mark the best answer brainliest (:

1 answer:

7 0

I believe the answers are A. The account earns about 1.03% interest each year. and D. Tatiana's starting balance was $500.

I hope this helps

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Solve 3! that's literally it

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Answer:

Question?

Step-by-step explanation:

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An investor bought 500 shares of stock, some at $6.25 per share and some at $6.50 per share. If the total cost was $3218.75, how

Rudiy27

Step-by-step explanation:

x = amount of shares for $6.25

y = account of shares for $6.50

x + y = 500

x×6.25 + y×6.5 = 3218.75

x = 500 - y

(500 - y)×6.25 + y×6.5 = 3218.75

3125 - y×6.25 + y×6.5 = 3218.75

0.25×y = 93.75

y = 375

x = 500 - 375 = 125

so, he bought

375 shares of $6.50

125 shares of $6.25

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3 years ago

Chelsea drew two parallel lines KL and MN intersected by a transversal PQ, as shown below:

Ilia_Sergeevich [38]

Answer:

The correct answer choice would be:

C (Same-Side Interior Angles Theorem)

Hope this helps! :)

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Determine whether or not F is a conservative vector field. If it is, find a function f such that F = ∇f. (If the vector field is

snow_tiger [21]

$\nabla f=(xy\cos xy+\sin xy)\,\vec\imath+x^2\cos xy\,\vec\jmath$

then we should have

$\dfrac{\partial f}{\partial y}=x^2\cos xy\implies f(x,y)=x\sin xy+g(x)$

Differentiating with respect to $x$ gives

$\dfrac{\partial f}{\partial x}=xy\cos xy+\sin xy=\sin xy+xy\cos xy+g'(x)$

$\implies g'(x)=0\implies g(x)=C$

So $F$ is indeed conservative, and

$f(x,y)=x\sin xy+C$

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3 years ago

What is the variable in the expression below?<br><br><br> 9.X

Ludmilka [50]

Answer:

The variable in that expression is x

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