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3 years ago

I need help please I need help right now ????

Mathematics

1 answer:

katrin [286]3 years ago

6 0

Answer:

x ≈ 36.1

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan61° = $\frac{opposite}{adjacent}$ = $\frac{x}{20}$ ( multiply both sides by 20 )

20 × tan61° = x , then

x ≈ 36.1 ( to the nearest tenth )

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The following formula relates three quantities: Force (F), mass (m), and acceleration (a). F = ma

Firdavs [7]

F = ma is $a=\frac{F}{m}$

<h3>Why is the formula F=ma?</h3>

The equation for Newton's Second Law of Motion is F = ma. Force is equal to the rate of change of momentum, according to the definition of Newton's Second Law of Motion. Force is defined as mass times acceleration for a constant mass.

The following formula relates three quantities: Force (F), mass (m), and acceleration (a). F = ma

F = ma

F= force

m= mass

a= acceleration

$F = ma$

Divide both sides by the mass

$a=\frac{F}{m}$

F = ma is $a=\frac{F}{m}$

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2 years ago

Divide. 0.78÷106 <br> 0.00078 <br> 0.000078 <br> 0.0000078 <br> 0.00000078

Crazy boy [7]

0.78 ÷ 106 = 39/5300
= 0.007358490566037

Explanation: Convert 0.78 into a fraction
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3 years ago

A web ad can be designed from four different colors, three font types, five sizes, three images, and five text phrases. A specif

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Answer:

a. 3/4

b. 1/2

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Step-by-step explanation:

From the question, We are given that:

4 different colours, 3 different font types, 5 sizes, 3 images, 5 text phrases.

If event A is the event that the design color is red, then:

P(A) = 1/4

P(A') = 1 - 1/4 = 3/4.

If event B is the event that the font size is not the smallest one, then:

P(B) = 2/3

P(B')= 1 - 2/3 = 1/3.

P(AnB) = 1/4 * 2/3 = 2/12=1/6

P(AnB')=1/4 * 1/3 = 1/12

P(A'nB') = 3/4 * 1/3=1/4

Solving the questions,

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P(AuB) =(1/4) + (2/3) -(1/6)

P(AuB) = 9/12

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b. P(AuB') = P(A) + P(B') - P(AnB')

P(AuB') = 1/4 + 1/3 - 1/12

P(AuB') = 6/12

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c. P(A'uB') = P(A') + P(B') - P(A'nB')

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3 years ago

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3 years ago

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Answer:

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Step-by-step explanation:

Hope this helped !!

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2 years ago