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3 years ago

What value of x will make this proportion true 14/x=1/2?

Mathematics

2 answers:

Setler79 [48]3 years ago

3 0

Answer:

x = 28

Step-by-step explanation:

Given

$\frac{14}{x}$ = $\frac{1}{2}$ ( cross- multiply )

x = 14 × 2 = 28

Montano1993 [528]3 years ago

3 0

Answer:

x = 7

Step-by-step explanation:

14 / x = 1 / 2

14 / x = 0.5

14 = x(0.5)

14 / 0.5 = x

7 = x

Hope this helps!

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3 years ago

If f(x)= x^2+5x and g(x)=2x+1 find f(5) + g(6)

Serhud [2]

Answer:

-15

Step-by-step explanation:

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3 years ago

Find the lateral area and surface area of a cone with a radius of 12 and a height of 21

marishachu [46]

Answer:

The Lateral Surface Area is 911.32 square unit and

Total Surface Area is 1361.7 square unit.

Step-by-step explanation:

For a given Cone

Radius (r) = 12

Height (h) = 21

For Lateral Surface Area

<h3>Formula: </h3>

A = πr√r² + h²

A = 3.14 × 12 × √(12)² + (21)²

A = 3.14 × 12 × √144 + 441

A = 3.14 × 12 × √585

A = 37.68 × 24.18

A = 911.32 square unit

Now,

For Total Surface Area

<h3>Formula:</h3>

A = πrl + πr²

For Slant height (l)

l² = r² + h²

l² = (12)² + (21)²

l² = 144 + 441

l² = 585

l = 24.18

So,

A = πrl + πr²

A = πr(l + r)

A = 3.14 × 12 × (24.14 + 12)

A = 3.14 × 12 × 36.14

A = 1361.7 square unit

Thus, The Lateral Surface Area is 911.32 square unit and Total Surface Area is 1361.7 square unit.

-TheUnknownScientist

6 0

3 years ago

Read 2 more answers

Max is making a rectangular garden that is 5 feet less than twice it's width. If the perimeter of the garden is 89 feet, what wi

azamat

Length = 2*width - 5
perimeter = 2(length + width)
89 = 2(2width - 5 + width)
89 = 6 width - 10
6 width = 99
width = 99/6 = 16.5 feet
length = 2*16.5 - 5 = 28 feet

3 0

3 years ago

find the area and circumference of the circule .(round your number to the nearest hunderth.) r=4.5 cm

balu736 [363]

Answer:

28.2743338823

Step-by-step explanation:

The circumference of every circle is 3.14, and in order to find the area you must do Pi (3.14) times the radius doubled ( $\pi$ x R2) Hope that helped!

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2 years ago