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Vsevolod [243]
2 years ago
12

9. A tap is leaking into a pail. The height of the water in the pail is represented by the equation h = 0.5t + 2, where h repres

ents the height of water in the pail, in cm, and t represents the amount of time the tap has been leaking, in minutes. What is the height of water in the pail if the tap has been leaking for 56 minutes? (Hint: y=mx+b)​
Mathematics
1 answer:
Drupady [299]2 years ago
8 0

Answer:

Beatle spin bbc ankle biter bush light

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A man wants to cut down a tree in his yard. To ensure that the tree doesn't hit anything, he needs to know the height of the tre
Alisiya [41]

Answer:

19.8m

Step-by-step explanation:

In the attached diagram:

  • The man's eye level is at point A,
  • The height of the tree is BC.
  • The angle of elevation at A is 61 degrees.
  • The distance of the man at A to the tree BC is 11 meters.

This forms the right triangle ABC.

We want to determine the height labeled h.

Using Trigonometry:

\tan \theta =\dfrac{BC}{AB}\\ \tan 61^\circ =\dfrac{h}{11}\\h=11 \times  \tan 61^\circ\\h=19.8$ m

The height of the tree is 19.8 meters to the nearest tenth of a meter.

8 0
3 years ago
Instructions: Select the correct answer.
NNADVOKAT [17]
The formula for the area of a circle (in this case, the disc) is
\pi {r}^{2}
So, we apply the given radius to the formula to give us our answer:
\pi \times  {7.6}^{2}  = 181.4583917
So, your approximate answer is C.
6 0
3 years ago
Read 2 more answers
What is the answer to 1 yd minus 1ft 1 in
Triss [41]
That is 2 feet 11 inches
6 0
3 years ago
Read 2 more answers
Determine the intercepts of the line. -4x + 7 = 2y - 3
Strike441 [17]

x- intercept = 5/2

y - intercept = 5

Step-by-step explanation:

the intercepts of a line are found by plugging in x=0 and y = 0

For x-intercept, we put y = 0

and

For- y-intercept we put  =0

Given equation is:

-4x + 7 = 2y - 3\\Putting\ y = 0\\-4x + 7 = 2(0) - 3\\-4x+7 = -3\\-4x = -3-7\\-4x = -10

Dividing both sides by -4

\frac{-4x}{-4} = \frac{-10}{-4}\\ = \frac{5}{2}

Putting x = 0

-4x + 7 = 2y - 3\\-4(0)+7 = 2y -3\\7 = 2y-3\\7+3 = 2y\\2y = 10

Dividing both sides by 2

\frac{2y}{2} = \frac{10}{2}\\y = 5

So,

x- intercept = 5/2

y - intercept = 5

Keywords: Intercepts, lines

Learn more about intercepts at:

  • brainly.com/question/12954015
  • brainly.com/question/12932203

#LearnwithBrainly

5 0
3 years ago
Please help on this Question, I need Pre Calc help
Ksju [112]
Your answer would be D

7 0
3 years ago
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