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2 years ago

5

PLSS HELP Sarah left the boat dock and sailed 5 miles due east. She turned and then sailed 10 miles due north. About how far is

Sarah from the boat dock?
Group of answer choices
10 miles

9 miles

15 miles

11 miles

1 answer:

Sever21 [200]2 years ago

7 0

Answer:

I believe the answer is 11 miles

Step-by-step explanation:

I drew the problem out and used the Pythagorean theorem and got 11.2

Hope this helps you!

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It costs $25 to enter an amusement park and $0.50 to ride a ride. You have $27.50. Write an equation that represents the number

mafiozo [28]

Answer:

0.50n+25=27.50

Step-by-step explanation:

you can ride 5 rides, aka n=5

3 0

3 years ago

Find the maximum rate of change of f at the given point and the direction in which it occurs. f(x, y) = 5 sin(xy), (0, 2) maximu

Ahat [919]

Answer with Step-by-step explanation:

We are given that

$f(x,y)=5 sinxy$

Point=(x,y)=(0,2)

We have to find the maximum rate of change of f at given point.

$f_x(x,y)=5ycos(xy)$

$f_x(0,2)=5(2)cos0=10$

$f_y(x,y)=5xcosxy$

$f_y(0,2)=5(0)cos0=0$

$\Delta f(0,2)=f_x(0,2)+f_y(0,2)=10i+0j$

Maximum rate of change of f at point (0,2)= $\mid \Delta f(0,2)\mid=\sqrt{x^2+y^2}$

Where x=Coefficient of i

y=Coefficient of j

By using the formula

Maximum rate of change of f at point (0,2)= $\sqrt{(10)^2+0}=10$

Direction of maximum rate of change of f= $\Delta\har{f}=\frac{\Delta f(0,2)}{\mid\Delta f(0,2)\mid}=\frac{10i}{10}=i$

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3 years ago

The width of a rectangle is 3 units less than the length. The area of the rectangle is 28 units. What is the width, in units, of

KATRIN_1 [288]

Answer:

4

Step-by-step explanation:

Let's call the width W and the length L.

We know the width is 3 less than the length, so:

W = L - 3

And we know the area is 28, so:

28 = WL

If we solve for L in the first equation:

L = W + 3

And substitute into the second equation:

28 = W (W + 3)

28 = W² + 3W

0 = W² + 3W - 28

0 = (W + 7) (W - 4)

W = -7, 4

Since W can't be negative, W = 4 units.

8 0

3 years ago

Evaluate 3 - 24 = 8 + 4^2.<br> A 0<br> B 2<br> C 16<br> D 24

oee [108]

Answer:

-21=24

Step-by-step explanation:

Subtract 24 from 3

-21=8+2^2

Raise 4 to the power of 2

-21=8+16

Add 8 and 16

-21=24

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3 years ago

Need help, please

madam [21]

Answer:

19.5 hrs

Step-by-step explanation:

30 minutes meeting for every 3 hours of work

10 minutes meeting for every 1 hour of work

15 minutes meeting of every 1 1/2 hour of work

3 hours meeting for every 18 hours of work

She spent 19 1/2 hours

7 0

3 years ago