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aleksklad [387]
3 years ago
6

Percent 1. What percent of 50 is 18?

Mathematics
2 answers:
Neporo4naja [7]3 years ago
7 0

Answer:

the answer is 36%

Step-by-step explanation:

You would divided 18/50 that will equal 0.36 which 36%

antoniya [11.8K]3 years ago
4 0

18 is 36% of 50.

<u>Solution: </u>

Need to determine what percent of 50 is 18.

Let's assume x % of 50 is 18.

x % can be written in fraction as \frac{x}{100}

Hence  x % of 50 is written as,

\frac{x}{100} \times 50=18

\begin{array}{l}{\Rightarrow \frac{x}{2}=18} \\ {\Rightarrow x=18 \times 2=36 \%}\end{array}

So 18 is 36% of 50.

This can also be determined by another method.

18 out of 50 can also be written as 18/50

Percentage is equal to numerator when denominator is 100.

So we need to find equivalent rational number of \frac{18}{50} where denominator = 100

On multiplying numerator and denominator by 2 we get

\frac{18 \times 2}{50 \times 2}=\frac{36}{100}=36 \%

Hence 18 is 36% of 50.

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Consider the given density curve.
Gemiola [76]

Answer:

11 is best answer for it ....,..........

4 0
2 years ago
Your are designing a rectangular birthday card for a friend. You want the card's length to be 1 inch more than twice the card's
klemol [59]

The width of the card to the nearest tenth of an inch is 6.15 inches

<h3>Area of rectangle</h3>

  • Width = x
  • Length = 2x + 1
  • Area = 88 square inches

Area of a rectangle = Length × Width

88 = (2x + 2) × x

88 = 2x² + 2x

2x² + 2x - 88 = 0

x = -b ± √b² - 4ac / 2a

= -2 ± √2² - 4(2)(-88) / 2(2)

= -2 ± √4 - (-704) / 4

= -2 ± √708 / 4

= -1/2 ± √177/2

x = 6.15 or -7.15 inches

The width of the rectangle can not be negative, so, 6.15 inches is the width.

Learn more about rectangle:

brainly.com/question/13048427

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5 0
2 years ago
Which of the following is not equal to the other values? cos31.7° cos211.7° cos328.3° cos(-391.7°)
luda_lava [24]

Answer:

* cos 211.7 not equal the other values

Step-by-step explanation:

* Lets revise the angles in the four quadrant

- If the angle in the first quadrant is Ф, then the equivalent angles to

 it in the other three quadrant are

# 180° - Ф ⇒ 2nd quadrant (sin only +ve)

# 180° + Ф ⇒ 3rd quadrant (tan only +ve)

# 360° - Ф ⇒ 4th quadrant (cos only +ve)

# -Ф ⇒ 4th quadrant (cos only +ve)

# -180 + Ф ⇒ 3rd quadrant (tan only +ve)

# -180 - Ф ⇒ 2nd quadrant (sin only +ve)

# -360 + Ф ⇒ 1st quadrant (all are +ve)

* Lets solve the problem

∵ Ф = 31.7°

∵ cos 31.7 = +ve value

∵ 180° + Ф° = 180° + 31.7° = 211.7°

∵ cos (180° + Ф°) = - cos Ф° ⇒ cos (180° + Ф°) in the 3rd quadrant is

  same value as cos Ф but with -ve sign

∴ cos 211.7° = - cos 31.7°

∴ cos 31.7° ≠ cos 211.7°

∵ 360° - Ф° = 360° - 31.7° = 328.3°

∵ cos (360° - Ф°) = cos Ф° ⇒ cos (360° - Ф°) in the 4th quadrant has the

  same value and sign with cos Ф°

∴ cos 328.3° = cos 31.7°

∴ cos 31.7° = cos 328.3°

∵ -391.7° + 360° = -31.7° ⇒ more then clockwise turn by 31.7°

∵ cos (-Ф°) = cos Ф° ⇒ cos (-Ф°) in the 4th quadrant has the same value

  and sign with cos Ф°

∴ cos (-31.7°) = cos 31.7°

∴ cos 31.7° = cos (-390.7°)

* cos 211.7 not equal the other values

6 0
3 years ago
If the area of a trapezoid below is 234 square units what is the value of x? A 18
vovikov84 [41]
The answers is C, please let me know if I’m wrong. But I’m sure is C .
Hope it helps :)
5 0
3 years ago
Read 2 more answers
A rocket is launched from a tower. The height of the rocket, y in feet, is rel
VikaD [51]

9514 1404 393

Answer:

  9.70 seconds

Step-by-step explanation:

The zero of the equation can be found using the quadratic formula.

  ax² +bx +c = 0

  x = (-b ±√(b² -4ac))/(2a)

We are only interested in the positive value of x, so this will be ...

  x = (-147 -√(147² -4(-16)(80)))/(2(-16)) = (147 +√2679)/32

  x ≈ 9.7028 ≈ 9.70 . . . . seconds

The rocket will hit the ground after about 9.70 seconds.

6 0
3 years ago
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