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Alika [10]
2 years ago
15

A triangle has side lengths of 7 in., 9 in., and 11 in. Determine whether this is a right triangle and why.

Mathematics
1 answer:
Harlamova29_29 [7]2 years ago
8 0

Answer:

Not a right triangle.  See below for my reasoning.


Step-by-step explanation:

If this is a right triangle, then the sum of the squares of the two shorter sides will equal the square of the longest side:  7^2 + 9^2 = 11^2 => 49 + 81 = 121   But this is false.

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Solve for y: 8 = x-y
AnnyKZ [126]

Answer:

The correct answer is:

y= x-8

Step-by-step explanation:

We have the equation: 8 = x-y

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Multiplying (1) by -1

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8 0
3 years ago
What is 1 1/2 minus 1/4
vfiekz [6]
1 1/2 - 1/4
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Hope that this helped! :)
8 0
3 years ago
Read 2 more answers
What is the measure of
Sever21 [200]

Answer:

The measure of ∠G is 59°

Step-by-step explanation:

<em>When </em><em>two secants</em><em>, intersect at </em><em>a point outside a circle</em><em> then the </em><em>measure of the angle formed between them</em><em> is </em><em>one-half the positive difference of the measures of the intercepted arcs.</em>

<em></em>

In the given figure

∵ GT is a secant that intersects the circle at points H and T

∵ GE is a secant that intersects the circle at points F and E

∴ The intercepted arcs are HF and TE

∵ GT ∩ GE at G

∵ Point G is outside the circle

→ By using the rule above

∴ m∠G = \frac{1}{2} (m arc TE - m arc HF)

∵ m arc TE = 175°

∵ m arc HF = 57°

→ Substitute them in the rule above

∵ m∠G = \frac{1}{2} (175 - 57) = \frac{1}{2} (118)

∴ m∠G = 59

∴ The measure of ∠G is 59°

8 0
3 years ago
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denis23 [38]

Answer:

$8.75

Step-by-step explanation:

35 * .25 = $8.75

7 0
3 years ago
Read 2 more answers
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