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2 years ago

Please please help me with this

Mathematics

2 answers:

ololo11 [35]2 years ago

8 0

Answer:

x = 5 units

Step-by-step explanation:

Use the Pythagorean Theorem:

a^2 + b^2 = c^2

Set Values for Variables:

Side Length - a = 12

Side Length - b = x

Hypotenuse - c = 13

* Hypotenuse is always opposite from the right angle.

Solve:

12^2 + b^2 = 13^2

144 + b^2 = 169

(Subtract 144 from both sides to get 25)

b^2 = 25

(Find square root of 25 and b^2)

b = 5

Conclude:

Now you know x (otherwise known as the b-value), is equal to 5 units.

BartSMP [9]2 years ago

5 0

Answer:

x = 5

Step-by-step explanation:

Just use the Pythagorean Triangle:

13^2 - 12^2 = x^2

x^2 = 25

x = 5

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Pluto is 5,560,000,000 years old. Estimate the age of Pluto by writing it in the form of x×10y years, where x and y are single-d

SashulF [63]

Answer:

The age of pluto is:

5,560,000,000 years old = 5.56 × 10⁹ years old

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y = power of 9

Step-by-step explanation:

Pluto is 5,560,000,000 years old. Estimate the age of Pluto by writing it in the form of x×10y years, where x and y are single-digit numbers.

We write this in standard form or scientific notation.

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2 years ago

What is the value of x? Please show step by step.

3241004551 [841]

Start by using trig to find the length of the line LJ

The triangle KJL (big right angled triangle) has been given the following dimensions

Hypotenuse = $8 \sqrt{2}$
The adjacent angle is 30 degrees

Since we have the hypotenuse and the angle we must use the equation
opposite = Sin(angle) x Hypotenuse

Opposite= sin30 x $8 \sqrt{2}$

Opposite= $4 \sqrt{2}$

Therefore line LJ is $4 \sqrt{2}$

Now look at the smaller right angled triangle (LMJ)

Hypotenuse is the line LJ which is $4 \sqrt{2}$

The adjacent angle is 45

Since we have hypotenuse and angle we must use the equation opposite = sin(angle) * h

therefore
x= $4 \sqrt{2}$ * sin45= 4

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3 years ago