Explain how 5x-3y=2 and 5x-3y=8 are parallel without doing any calculations

Mathematics

2 answers:

Gnom [1K]4 years ago

6 0

Answer:

yes

Step-by-step explanation:

elena-14-01-66 [18.8K]4 years ago

3 0

Answer:

They're parallel because the first part of the equations have the same numbers/variables (can see down below in bold). This tells us whether or not it's parallel. There's no need for any calculations due to this.

5x - 2y = 2

and

5x - 2y = 8

The answer of the equations doesn't affect it, only is they're the same number. Then it becomes overlap.

For Example:

5x - 2y = 9

and

5x - 2y = 9

they're the same, meaning overlap.

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The vertex angle of an isosceles triangle measures 40°. What is the measure of a base angle?

Katena32 [7]

A triangle has three angles, and their measures add up to 180 degrees.
An isosceles triangle has at least 2 congruent sides, and the angles opposite the congruent sides are congruent.

This triangle has one angle of 40 deg, and two angles that measure the same; call the measure of each base angle x.

x + x + 40 = 180

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2x = 140

x = 70

The base angles measure 70 deg.

8 0

4 years ago

Read 2 more answers

Find f (20) for f(n) = -2n +6

kiruha [24]

Answer:

f(n) = -34

Step-by-step explanation:

n = 20

f(n) = -2(20) + 6

f(n)= -40 +6

f(n) = -34