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Ad libitum [116K]

3 years ago

12

Corinne earns an hourly wage on top of her weekly gas allowance for her delivery job. Her weekly earnings can be shown using the

expression: 40 + 7.50h what does the second term of the expression represent?

2 answers:

sveta [45]3 years ago

8 0

How much money he gets per hour

Natalka [10]3 years ago

5 0

The "h" in the second term represents the weeks, because it is the independent variable.

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A point P is moving along the curve whose equation is y = \sqrt x . Suppose that x is increasing at the rate of 4 units/s when x

Mice21 [21]

Answer:3 units/s

Step-by-step explanation:

Given

$y=\sqrt{x}$

Point P lie on this curve so any general point on curve can be written as $(x,\sqrt{x})$

and $\frac{\mathrm{d} x}{\mathrm{d} t}=4 units/s$

Distance between Point P and (2,0)

$P=\sqrt{(x-2)^2+(\sqrt{x}-0)^2}$

P at x=3 P=2

rate at which distance is changing is

$\frac{\mathrm{d} P}{\mathrm{d} t}=\frac{\mathrm{d} \sqrt{(x-2)^2+(\sqrt{x}-0)^2}}{\mathrm{d} t}$

$\frac{\mathrm{d} P}{\mathrm{d} t}=\frac{2x-3}{\sqrt{(x-2)^2+(\sqrt{x}-0)^2}}\times \frac{\mathrm{d} x}{\mathrm{d} t}$

$\frac{\mathrm{d} P}{\mathrm{d} t}=\frac{2\times 3-3}{2\times 2}\times 4=3 units/s$

8 0

2 years ago

of the students in Ms. Danver's class, 6 walk to school. This represents 30% of her students.How many students are in Ms. Danver

Andrews [41]

21 students because if 6 represents 30% u add 6 two more time which equals 18 and 90% then u add 3 more because it is half of 6. when u add 3 more u will get 21 and 100%

8 0

2 years ago

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Alexandra [31]

its the first one because for example [-12] and 4

the absolute value of -12 is 12 so its greater

8 0

2 years ago

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If i have 20 bucks and i give 15 how much do i have now

KATRIN_1 [288]

Answer:

it's 5 because 20 -15 is 5

5 0

3 years ago

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What is 4 divided by 6 + 89 - 34 -89 +190

saw5 [17]

4/(6+89-34-89+190)
=4/162
=2/81
That's your answer.

5 0

2 years ago

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