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2 years ago

PLEASEEEE HELPPP with both of them if you can!

Mathematics

1 answer:

Jet001 [13]2 years ago

3 0

Answer:

Tenacious tennis: y=5x+120

Totally Tennis: 8x

Toys r us: y=20x

Lego club: y=17x+36

Step-by-step explanation:

y=cost x= tennis court usage charge

Tenacious tennis: y=5x+120

Totally Tennis: 8x

8.)

y=cost x=lego set

Toys r us: y=20x

Lego club: y=17x+36

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A train travels 3.5 kilometers on a straight track with grade of 1 degree 10'. What is the vertical rise of the train distance?

denpristay [2]

The answer is
h = AB sin tetha,
tetha is <span>1 degree 10' = 1.1°, and AB = 3.5km

the vertical rise is h = 4.7</span>

3 0

2 years ago

If u(x) = x5 – x4 + x2 and v(x) = –x2, which expression is equivalent to (u/v)(x)

choli [55]

Answer:

c) -x^3 + x^2 - 1

Step-by-step explanation:

Given: u (x) = x^5 - x^4 +x^2 and v(x) = -x^2

(u/v)(x) = u(x)/v(x)

Now plug in the given functions in the above formula, we get

= (x^5 - x^4 + x^2) / -x^2

We can factorize the numerator.

In x^5 - x^4 + x^2. the common factor is x^2, so we can take it out and write the remaining terms in the parenthesis.

= x^2 (x^3 - x^2 + 1) / - x^2

Now we gave x^2 both in the numerator and in the denominator, we can cancel it out.

(u/v)(x) = (x^3 - x^2 + 1) / -1

When we dividing the numerator by -1, we get

(u/v)(x) = -x^3 + x^2 - 1

Answer: c) -x^3 + x^2 - 1

Hope you will understand the concept.

Thank you.

6 0

3 years ago

Read 2 more answers

PLEASE HELP!!<br> just look at the picture

arlik [135]

Answer:

its the math that solve

Step-by-step explanation:

4 0

2 years ago

The table below shows pairs of value that satisfy a linear function.

neonofarm [45]

Answer:

-27

Step-by-step explanation:

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2 years ago

Dorothy Little purchased a mailing list of 2,000 names and addresses for her mail order business, but after scanning the list sh

DaniilM [7]

Answer:

b) 2.00

Step-by-step explanation:

For each name, there are only two possible outcomes. Either it is authentic, or it is not. The probability of a name being authentic is independent of any other name. This means that we use the binomial probability distribution to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

$E(X) = np$