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3 years ago

11

A four day camping trip costs 800$. The camper rental fee was 340$. Also included were four camper tickets. How much was each ti

cket?

1 answer:

pashok25 [27]3 years ago

3 0

Answer:

$115 each

Step-by-step explanation:

(800 - 340)/4 = 115

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Let a and b be natural numbers for which a divides<br> b. then a is less than or equal to b

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3 years ago

Write x^2 + 6x -7 in the form (x+a)^2 +b where a and b are integers please

ANTONII [103]

Answer:

$(x + 3) {}^{2} - 16$

Step-by-step explanation:

${x}^{2} + 6x - 7 = (x + 3) {}^{2} - (3) {}^{2} - 7 \\ = (x + 3) {}^{2} - 16$

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3 years ago

4.9x 10^2 as a decimal number????

harkovskaia [24]

Answer:

490.0...

Step-by-step explanation:

4.9 x 10^2

(squared)

4.9 x 10 x 10

the easiest way to do this is to move the decimal 2 places to the right, as

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3 years ago

At an effective annual interest rate of i > 0, each of the following two sets of payments has present value K: (i) A payment

IgorLugansk [536]

Answer:

The present value of K is, $K=251.35$

Step-by-step explanation:

Hi

First of all, we need to construct an equation system, so

$(1)K=\frac{169}{(1+i)} +\frac{169}{(1+i)^{2}}$

$(2)K=\frac{225}{(1+i)^{2}} +\frac{225}{(1+i)^{4}}$

Then we equalize both of them so we can find $i$

$(3)\frac{169}{(1+i)} +\frac{169}{(1+i)^{2}}=\frac{225}{(1+i)^{2}} +\frac{225}{(1+i)^{4}}$

To solve it we can multiply $(3)*(1+i)^{4}$ to obtain $(1+i)^{4}*(\frac{169}{(1+i)} +\frac{169}{(1+i)^{2}}=\frac{225}{(1+i)^{2}} +\frac{225}{(1+i)^{4}})$ , then we have $225(1+i)^{2}+225=169(1+i)^{3}+169(1+i)^{2}$ .

This leads to a third-grade polynomial $169i^{3}+451i^{2}+395i-112=0$ , after computing this expression, we find only one real root $i=0.2224$ .

Finally, we replace it in (1) or (2), let's do it in (1) $K=\frac{169}{(1+0.2224)} +\frac{169}{(1+0.2224)^{2}}\\\\K=251.35$

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3 years ago

Please help please help

Alina [70]

Answer:

1/9 is the correct answer Hope this helps!!

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers