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vovangra [49]
3 years ago
11

Consider this power.(–4) –3

Mathematics
2 answers:
DENIUS [597]3 years ago
5 0
Answer:
(-4)-3= -7
Explanation:
aksik [14]3 years ago
4 0

Answer:

12? I'm not sure. That's the answer I think?

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Write an equation in point-slope form for the line that has the given slope and that contains the given point. slope 4/5 ,(8,2)
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Hello,

The equation is y-2=4/5(x-8)==>y=4/5x-22/5 or 4x-5y=22
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Differentiate t²sin(2t)​
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Step-by-step explanation:

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ANSWER ASAP! 1 question, explanation would be appreciated but not required!
IrinaK [193]

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choice 3) 50 in

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3 years ago
Which expression can be used to find the price of a $400 telescope after a 32% markup? Select all that apply.
emmainna [20.7K]

Answer:

Expressions C and D correctly determine the markup price.

Step-by-step explanation:

A markup in mathematics is when an object's price is raised by a certain percentage. Therefore, because we are told that the telescope is originally $400 and is marked up by 32%, we can actually mathematically evaluate this.

When you markup a price, you multiply the original price by 1+x, where x is the percentage at which the object is marked up. However, x needs to be in decimal form for it to work out.

\frac{32}{100} = \small\boxed{0.32}

Therefore, with this new decimal, we can add 1 to it.

1 + 0.32=\small\boxed{1.32}

Finally, we multiply this result by the original price.

1.32 \times 400=\small\boxed{528}

Therefore, we can already confirm that Expression C is one way to find the markup price.

  • We can eliminate expression A because it did not use the formula 1+x. It only uses the decimal form of the percentage.
  • We can eliminate expression B because the division to convert from the percentage form to the decimal form is flawed (the expression divided by 10 instead of 100) and also forgot to add 1 to the determined value.

Now, we can test the math for expressions D and E to see if either of these will equal $528.

Expression D is basically saying to add 32% of 400 to the original price. This would work out because we marked up the original price by 32%. Therefore, we can confirm that Expression D is also an expression that can be used to determine the markup price.

400 + 400(0.32)\\400(0.32) = 128\\400 + 128 = \small\boxed{528}

Finally, we also need to check expression E. This expression is saying to add the already marked up price to 400. This would not be correct.

400 \times 400(1.32)\\400(1.32) = 528\\400 \times 528 = \small\boxed{\$ 211,200}

Therefore, it has been determined that Expression C & Expression D are both equations that will find a markup price.

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3 years ago
The lines represented by the equations y=-2x-6 and 2y+x=-16 are
s2008m [1.1K]

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Is that the entire question? I want to help but I don't see a full question it looks like half of one

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