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3 years ago

What is the square root of pi?

Mathematics

1 answer:

qwelly [4]3 years ago

6 0

The square root of Pi is approximately 1.77245.

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An item is regularly priced at $35 . It is on sale for 80% off the regular price. What is the sale price?

Alexxx [7]

First change 80% to a decimal

80% = 80/100 = 0.80

Next, multiply 35 with 0.80

35 x 0.80 = 28

Next, subtract the number gotten (28) with the regular price (35)

35 - 28 = 7

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$7 is the sales price

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hope this helps

6 0

2 years ago

enter an internet value that could be used in each of the blanks below to make the polynomial factorable

NeX [460]

1. 4
2. 8

These are the only possible answers

7 0

2 years ago

the function v(t)=-9.8t+5 gives the instantaneous velocity of an object thrown upward with an initial velocity of 5 m/sec. at wh

olya-2409 [2.1K]

Answer:

0.5 s (using 1 significan figure since the initial velocity is given with 1 significant figure)

Explanation:

Let's see what each term in the function v (t) = - 9.8t + 5 means:

Term: - 9.8 t

The variable t is the time

The coffecient - 9.8 (which is negative) means that the velocity is reduced 9.8 m/s each second.

That means that the motion is uniformly decelerated with acceleration - 9.8 m/s².

Term + 5

The term + 5, means that the object was launched with an upward velocity of 5 m/s.

Hence the equation tells that after the object was launched upward it starts to lose speed and will reach a maximum height when the velocity is equal to zero, from which it starts falling.

So, you can calculate when the object reachs it maximum height and starts falling by making the velocity, v (t), equal to zero and solving for t. This is how you do it:

v (t) = 0
0 = - 9.8t + 5
9.8t = 5 remember that the units of 9.8 is m/s² and of 5 is m/s

t = 5 m/s / 9.8 m/s² = 0.51 s

So, the object starts fallin at 0.51 s. Since, the velocity is reported with 1 significant digit you answer should also show 1 significant digit, which means t = 0.5 s.

3 0

3 years ago

Which features describe the graph of

Arisa [49]

Answer:

4. a vertex at (0, 96) is CORRECT

5. the center at (0, 0) is CORRECT

From the given equation,

a = 40

b = 96

(h,k) = (0,0), the center

The vertices are at (0,96) and at (0, -96).

The curves open upward and downward.

c² = a² + b² = 40² + 96² = 10816

c = 104

Therefore the foci are at (0, -104) and (0, 104).

Check the given answers:

1. a focus at (104, 0) is INCORRECT

2. a focus at (0, -96) is INCORRECT

3. a vertex at (-40, 0) is INCORRECT

4. a vertex at (0, 96) is CORRECT

5. the center at (0, 0) is CORRECT

Read more on Brainly.com - brainly.com/question/4411338#readmore

4 0

2 years ago

Read 2 more answers

How many packs of batteries can you buy with 27.85 if one pack cost 5.57

wariber [46]

You can buy 5 packs of batteries at the most
plse make me the brainliest

3 0

3 years ago

Read 2 more answers