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2 years ago

$20,000 $18.400 $16.928 $15.573.76

Mathematics

1 answer:

qaws [65]2 years ago

8 0

Answer:

Depreciation rate is 8%

Car is worth $12127.10

Step-by-step explanation:

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in a xy-coordinate system line 1 has a slope of -3. If the points (2,16 and (5,t) are on line 1, what is the value of t?

Dimas [21]

We can use the formula y2-y1/x2-x1 to find our answer. So, we have : t-16/5-2 = -3. We simplify that to t-16/3 = -3. We can then multiply both sides by 3 to get t-16 = -9. Then we can add 16 to both sides to get t = 7.

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2 years ago

Which of the following represents the factored form of f(x) = x3 − 81x? f(x) = x(x − 9)2 f(x) = (x + 9)(x − 9) f(x) = x(x + 9)(x

Anna [14]

Answer:

f(x) = x(x + 9)(x − 9)

Step-by-step explanation:

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2 years ago

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Which statement about the simplified binomial expansion of (a + b)", where n is a positive integer, is true?

Alja [10]

Answer:

$(a+b)^n ={n \choose 0}a^{(n)}b^{(0)} + {n \choose 1}a^{(n-1)}b^{(1)} + {n \choose 2}a^{(n-2)}b^{(2)} + ..... +{n \choose n}a^{(0)}b^{(n)}$

Step-by-step explanation:

The Given question is INCOMPLETE as the statements are not provided.

Now, let us try and solve the given expression here:

The given expression is: $(a +b)^n, n > 0$

Now, the BINOMIAL EXPANSION is the expansion which describes the algebraic expansion of powers of a binomial.

Here, $(a+b)^n = \sum_{k=0}^{n}{n \choose k}a^{(n-k)}b^{(k)}$

or, on simplification, the terms of the expansion are:

$(a+b)^n ={n \choose 0}a^{(n)}b^{(0)} + {n \choose 1}a^{(n-1)}b^{(1)} + {n \choose 2}a^{(n-2)}b^{(2)} + ..... +{n \choose n}a^{(0)}b^{(n)}$

The above statement holds for each n > 0

Hence, the complete expansion for the given expression is given as above.

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2 years ago

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4.3 + 2.4 + 0.8 + 6.7 =

umka2103 [35]

14.2 xxx hope this helps :)

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3 years ago

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A picture frame is 4 inches taller than it is wide and has an area of 192 square inches. What are the dimensions of the picture

Masteriza [31]

Answer: width is 12, length is 16

Step-by-step explanation:

A= l*w

l=w+4

A=w(w+4)

$A=192\\192=w^{2} +4w\\0=w^{2} +4w-192$

factor

(w+16)(w-12)

w= -16 or w=12

width is 12, length is 16

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2 years ago