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2 years ago

What is an equation of the horizontal line that passes through the point (5, -7)?

Mathematics

1 answer:

Advocard [28]2 years ago

6 0

Answer:

ummmm.......

Step-by-step explanation:

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Part A Prove that when x > 1, a triangle with side lengths a = x2 − 1, b = 2x, and c = x2 + 1 is a right triangle. Use the Py

Nataly [62]

Step-by-step explanation:

Given : A triangle with side lengths $a = x^2-1, b = 2x, \text{ and } c = x^2 + 1$

To find : Prove that when x > 1, it is a right triangle. Use the Pythagorean theorem and the given side lengths to create an equation. Use the equation to show that this triangle follows the rule describing right triangles. Explain your steps ?

Solution :

For right triangle the Pythagorean theorem is to be satisfied.

i.e. $c^2=a^2+b^2$

Here, $a = x^2-1, b = 2x, \text{ and } c = x^2 + 1$

Substitute the values,

$(x^2+1)^2=(x^2-1)^2+(2x)^2$

$x^4+1+2x^2=x^4+1-2x^2+4x^2$

$x^4+1+2x^2=x^4+1+2x^2$

LHS=RHS

It is a right triangle.

7 0

3 years ago

What are similar triangles?

Goshia [24]

Answer:

two triangles that are similar, that have equal angles

5 0

2 years ago

Read 2 more answers

Which is Greater 3/4 or 11/16

Elan Coil [88]

$\frac{3}{4} = .75$
$\frac{11}{16} = .6875$

$\frac{3}{4} \ \textgreater \ \frac{11}{16}$

6 0

2 years ago

Read 2 more answers

Can someone answer this please

erma4kov [3.2K]

Answer:

4^(-11)

Step-by-step explanation:

To divide powers, subtract the exponents.

4^(-2) / 4^9

-2-9=-11

So, the answer is 4^(-11), which is basically 4 to the eleventh power.

8 0

3 years ago

Read 2 more answers

Evaluate 3/7 r + 5/8 s when r is 14 and s is 8

forsale [732]

Answer:

Step-by-step explanation:

Making the appropriate substitutions, we get

3/7 r + 5/8 s => 3/7 (14) + 5/8 (8).

Notice how this can reduced:

3(14) 5(8)

----------- + --------- = 6 + 5 = 11

7 8

6 0

2 years ago