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4 years ago

Only number 2, quickly please thanks!

Mathematics

1 answer:

prohojiy [21]4 years ago

7 0

For every $2 donated by an employee, the corporation matches with $3.

The amount donated by the corporation is c, and the amount donated by employees is e.

When the employees donate $2, the corporation donates $3.

We can write 2e=3c.

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The speed of a stream is 4 mph. A boat travels 10 miles upstream in the same time it takes to travel 18 miles downstream. What i

marin [14]

Answer:

This is an RTD question. Here is a table based on the given information:

up/down . . . .rate . . . .time . . . .distance

upstream . . . . r-4 . . . . T . . . . 7

downstream . . . . r+4 . . . . T . . . .15

Now, rate x time = distance, so

time = distance / rate.

solve each for T and we get

T = (7/(r-4))

T = (15/(r+4))

set the times equal and we get

7%2F%28r-4%29+=+15%2F%28r%2B4%29

cross multiply to get

7r+%2B+28+=+15r+-+60

subtract 7r to get

28+=+8r+-+60

add 60 to both sides to get

88+=+8r

divide by 8 to get

r+=+8tep

4 0

3 years ago

What type of solution do the two lines show?

Colt1911 [192]

Answer:

No solution.

Step-by-step explanation:

The two lines are parallel and will never meet. Therefore, they have no solution.

7 0

3 years ago

Read 2 more answers

True or False: (x + 4)(x - 4) = x2 - 8x + 16

Maurinko [17]

(x + 4)(x - 4)
x2 - 4x + 4x - 16
x2 - 16

The statement above is False.

6 0

3 years ago

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A consultant has three sources of income—from teaching short courses, from selling computer software, and from advising on proje

Amanda [17]

Answer:

Mean = $79,000

Standard deviation = $25,000

Step-by-step explanation:

Data provided in the question:

Expected annual incomes:

From teaching short courses = $7,000

From selling computer software = $22,000

From advising on projects = $50,000

Standard deviation:

teaching short courses = $3,000

selling computer software = $4,000

advising on projects = $18,000

Now,

it is given that the events are independent

therefore,

Mean = ∑(Expected annual income)

Mean = $7,000 + $22,000 + $50,000

Mean = $79,000

also,

Standard deviation = ∑(standard deviation)

Standard deviation = $3,000 + $4,000 + $18,000 = $25,000

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3 years ago

Polynomial: 3x^4 + 5x - 4; Divisor: x - 1

irina [24]

Answer:

3x³+3x²+3x+8+ $\frac{4}{x-1}$

Step-by-step explanation:

You can use synthetic division for this problem since the divisor is in (x-a) form. The fraction is the remainder over the divisor.

3 0

3 years ago