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3 years ago

8

NEED HELP!!!!!!!!

2 answers:

valkas [14]3 years ago

5 0

Answer:

68 feet

Step-by-step explanation:

30 x (30-x) = 240

30-x = 8

-x = -22

x = 22

Therefore width is 30-22 = 8 feet

8+8+30+30 = 76 total for all 4 sides.

George would need 76 feet of fencing for the dog run IF he was not using his house as one side of the run. Therefore, taking the 76 total feet that would be required to go around all 4 sides and subtracting the feet of one width (8 feet), gives a total of 68 feet.

Liula [17]3 years ago

5 0

Answer:

The answer is option 2) 68 ft.

Step-by-step explanation:

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Chris rents a car for a total of £375 The rental charges are £150 for the first day and £75 per day after that. For how many day

qaws [65]

Answer:

3 days

Step-by-step explanation:

375-150. You get 225. Then you do 225/75 to get 3. 3days

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3 years ago

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slava [35]

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3 years ago

An angle measures 79.6° less than the measure of its complementary angle. What is the measure of each angle?

wel

Answer:

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Step-by-step explanation:

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8 0

3 years ago

12.what is the probability that a boy and a girl chosen randsomly will be seniors?

zhenek [66]

$\frac{\textbf{1}}{\textbf{20}}$

Step-by-step explanation:

Probability= $\frac{\text{number of favourable outcomes}}{\text{total number of outcomes}}$

Probability for a randomly chosen girl to be senior= $\frac{\text{number of senior girls}}{\text{total number of girls}}$

Probability for a randomly chosen girl to be senior= $\frac{7}{8+11+9+7}=\frac{7}{35}=\frac{1}{5}$

Probability for a randomly chosen boy to be senior= $\frac{\text{number of senior boys}}{\text{total number of boys}}$

Probability for a randomly chosen girl to be senior= $\frac{9}{10+7+10+9}=\frac{9}{36}=\frac{1}{4}$

For two independent events,

Probability for both event 1 and event 2 to take place= $\text{probability of event 1} \times \text{probability of event 2}$

Since choosing boys and girls is independent,

Probability for both boy an girl chosen to be senior= $\text{probability for boy to be senior}\times\text{probability for girl to be senior}$

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3 years ago

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MrRa [10]

Step-by-step explanation:

The slope of tangent line at a max or a minimum is 0,.

So using point slope formula.

$y - 4 = 0(x - 2)$

$y = 4$

Is the equation of a tangent line. This means we have a horizontal line at y= 4. Horizontal lines have a slope of 0.

4 0

2 years ago