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mylen [45]
3 years ago
9

Please help !! Geometry homework. Will mark brainliest answer !

Mathematics
2 answers:
Sonja [21]3 years ago
5 0

For this case we have to:

The Pythagorean theorem states that:

a ^ 2 + b ^ 2 = c ^ 2

Where:

a: Base of the triangle

b: It is the height of the triangle

c: It is the hypotenuse of the triangle

We have the following information:

a = 5\\c = 20

We must clear b:

b ^ 2 = c ^ 2-a ^ 2

b=\sqrt{(20^2)-(5^2)}\\b=\sqrt{(400-25)}\\b=\sqrt{375}

Simplifying the root we have:

b=\sqrt{(25*15)}\\b=5\sqrt{15}

Thus, the height of the triangle is given by:

b = 5\sqrt{15}

Answer:

AB = 5\sqrt{15}

KiRa [710]3 years ago
3 0

Answer: 375


Step-by-step explanation: If the problem was pythagorean theorem. Then I hope this explantion will help.

5 squared and 20 squared. 5 squared would get you 25 and 20 squared should get you 400. Then you should take 400-25=375. Your answer therefore is 375


I hope this helped!


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Answer:

  0

Step-by-step explanation:

When there is one x-intercept, the discriminant is zero.

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The discriminant is used to compute the difference between the roots. When it is positive, the real roots are different, so there are two x-intercepts.

When the discriminant is zero, there is no difference between the roots, so there is one x-intercept (as here).

When the discriminant is negative, there are no x-intercepts and the two roots are complex.

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3 years ago
Solve for x. 45(15x+20)−7x=56(12x−24)+6
Nady [450]

Answer:

The value of the equation for x is x=\frac{1119}{2} or 559.5.

Step-by-step explanation:

Consider the provided equation.

45(15x+20)-7x=56(12x-24)+6

We need to solve the equation for x.

Use the distributive property: a(b+c)=ab+ac

45(15x+20)-7x=56(12x-24)+6

675x+900-7x=672x-1344+6

Add the like terms.

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Isolate the variable as shown:

672x-668x=900+1338

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x=\frac{2238}{4}

x=\frac{1119}{2}

Hence, the value of the equation for x is x=\frac{1119}{2} or 559.5.

4 0
3 years ago
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Answer:

The roller coaster is 155 feet above the ground.

Step-by-step explanation:

Given:

The roller coaster climbs 120 feet from ground level.

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To find distance of roller coaster above the ground now we will subtract the drop in level from the rise and then add the second rise to the difference.

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