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2 years ago

9

Which comparisons are true? Select all that apply.

2 answers:

ValentinkaMS [17]2 years ago

7 0

Answer:

A is true. C is true. D is true

Step by-step explanation:

ollegr [7]2 years ago

6 0

A, c and d is all correct!!

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What is the General form of this equation?<br> (x- -1)^2 +(y-1)^2 =225.0

KATRIN_1 [288]

General Form is the most basic form of an equation and is used as a template to form equations designed to solve a specific problem.

The equation given is "<span>(x- -1)^2 +(y-1)^2 =225.0".

The general form of this Equation would be presented as

</span>·X (+/-) Y = Z
·X^2 (+/-) Y^2 = R1
<span>
-I hope this is the answer you are looking for, feel free to post your questions here on brainly in the future.</span>

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3 years ago

Pleaseeee help!!!! I will mark you as brainlinest for correct answer!!!!

pshichka [43]

Yes, your answer is correct.

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3 years ago

If AD is an altitude of ABC, then

serg [7]

Answer:

ADB is C. 90 degrees.

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3 years ago

You are wakeboarding on a river. You travel 2 miles downstream to a marina for supplies, and then you travel 3 miles upstream to

Zielflug [23.3K]

Let x represent the speed of of boat.

We have been given that the river current is 3 miles per hour.

The speed of boat upstream will be $x-3$ .

The speed of boat downstream would be $x+3$ .

$\text{Time}=\frac{\text{Distance}}{\text{Speed}}$

We have been given that you travel 2 miles downstream to a marina for supplies, and then you travel 3 miles upstream to a dock.

We can represent this information in an equation as:

$\text{Time}=\frac{2}{x+3}+\frac{3}{x-3}$

Since the speed of the boat is 18 miles per hour, so we will substitute $x=18$ in above equation and solve for time.

$\text{Time}=\frac{2}{18+3}+\frac{3}{18-3}$

$\text{Time}=\frac{2}{21}+\frac{3}{15}$

$\text{Time}=\frac{2}{21}+\frac{1}{5}$

$\text{Time}=\frac{2\cdot 5}{21\cdot 5}+\frac{1\cdot 21}{5\cdot 21}$

$\text{Time}=\frac{10}{105}+\frac{21}{105}$

$\text{Time}=\frac{31}{105}$

$\text{Time}=0.295238095$

Since time is in hours, so let us convert our given time in minutes.

1 hour = 60 minutes.

$\text{Time}=0.295238095\times 60\text{ minutes}$

$\text{Time}=17.7142857\text{ minutes}$

Rounding to nearest tenth of minute.

$\text{Time}\approx 17.7\text{ minutes}$

Therefore, it will take approximately 17.7 minutes for the boat to take the trip.

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2 years ago

Rewrite each of the following as equivalent expressions without the use of negative or zero exponents

notsponge [240]

Answer:

Step-by-step explanation:

1/5³

1

1/2⁵

4

1

y⁴/x²

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3 years ago