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gtnhenbr [62]
2 years ago
13

Increase 25 by 23% using a multiplier

Mathematics
1 answer:
True [87]2 years ago
5 0

Answer:

New value =

25 + Percentage increase =

25 + (23% × 25) =

25 + 23% × 25 =

(1 + 23%) × 25 =

(100% + 23%) × 25 =

123% × 25 =

123 ÷ 100 × 25 =

123 × 25 ÷ 100 =

3,075 ÷ 100 =

30.75;

Step-by-step explanation:

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20 POINTS!!! PLZ ANSWER!! On the moon, the time, in seconds, it takes for an object to fall a distance, d, in feet, is given by
scoundrel [369]

Answer:

Part a) f(2)=1.57\ sec

It takes 1.57 seconds for an object to fall a distance of 2 feet

Part b) see the explanation

Part c) 2,165.43\ sec

Step-by-step explanation:

Let

f(d) -----> the time in seconds it takes for an object to fall

d -----> distance in feet

we have

f(d)=1.11\sqrt{d}

Part a): Determine f(2) and explain what it represents

we know that

f(2) represent the time in seconds it takes for an object to fall a distance of 2 feet

For d=2\ ft

substitute in the function above and solve for f(2)

f(2)=1.11\sqrt{2}

f(2)=1.57\ sec

therefore

It takes 1.57 seconds for an object to fall a distance of 2 feet

Part b) The imbrium basin is the largest basin on the moon. A reasonable domain for the height above the lowest point in the basin is given by {d|0 ≤ d ≤ 3805774}

What does this tell you about the basin?

The height of the basin is greater than or equal to 0 ft and less than or equal to 3,805,774 ft  

so

The maximum height of the basin is 3,805,774 ft

Part c) How long would it take a rock to drop from the rim to the bottom of the basin?

we know that

The distance from the rim to the bottom of the basin is equal to the maximum height of the basin

so

d=3,805,774\ ft

substitute the value of d in the function f(d)

f(d)=1.11\sqrt{3,805,774}

f(d)=2,165.43\ sec

3 0
3 years ago
Evaluate -3x^3 - 4x for x=-1.
Ivenika [448]

Answer:

-x.(3x^2+4)

Step-by-step explanation:

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2 years ago
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What is the answer too this,it’s rational numbers - 3.3(6)= ?
Sloan [31]

Answer:

the answer is -19.8.

5 0
3 years ago
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What is the theoretical probability that one of the 2 red marbles would be drawn from a bag including all 8 marbles shown?
LenKa [72]

Answer:

1/4

Step-by-step explanation:

3 0
3 years ago
58-(1/4)2 i dont get how to solve this
xeze [42]

Answer:

57.5

Step-by-step explanation:

First you would have to multiply following PEMDAS so

(1/4)(2)

=0.5

Then subtract 58 and 0.5

58-0.5

=57.5

and thats your answer

5 0
3 years ago
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