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nirvana33 [79]
3 years ago
8

Mary thinks the triangle is equilateral. how would you support or dispute her conjecture?

Mathematics
1 answer:
timurjin [86]3 years ago
6 0

Answer:

Use the distance formula to calculate the length of all three sides, and check whether all sides are congruent.

Step-by-step explanation:

An equilateral triangle would have three sides that are all the same length, out of these options, only using the distance formula to calculate the length of all three sides and checking whether they are all congruent will make sure that the triangle is equilateral instead of just isosceles.

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HELP PLSSS I NEED THIS ASAP
Kamila [148]

Multiplying the linear expressions, the correct sequence is given as follows:

  • 5x(-3 -7x)
  • (5x)(-3) + (5x)(-7x)
  • -15x - 35x²

<h3>How are linear expressions multiplied?</h3>

They are multiplied applying the distributive property, in which all the terms are multiplied and the like terms are combined.

Hence:

5x(-3 -7x)

(5x)(-3) + (5x)(-7x)

-15x - 35x²

Hence the last option is correct.

More can be learned about the multiplication of linear expressions at brainly.com/question/14758247

#SPJ1

8 0
1 year ago
Write -7.5 as a common fraction.
Alina [70]

Answer:

-15/2  (or  -7 1/2)

Step-by-step explanation:

-7.5 is equal to -75/10.

When you simplify it, you get:

-15/2  which simplifies to -7 1/2

4 0
3 years ago
F(x) : |x|
lutik1710 [3]
-2•f(x+1)+6 = -2 |x+1| +6, which is NOT g(x).

-2•f(x+1)+3 = -2 |x+1| +3, which IS g(x).

Side note: you’re writing g(x) in terms of f(x), because f(x) is in the answer.

If you want to write f(x) in terms of g(x), then g(x) would be in the answer.
4 0
2 years ago
Which letter is in the solution set for graph #2
stealth61 [152]

Answer:

<h2>A</h2>

Step-by-step explanation:

y > 0 - the region above the line together with that line

y ≥ 0 - the region above the line together with that line

y < 0 - the region below the line without that line

y ≤ 0 - the region below the line together with that line

We have:

y > 2 - the region above the line together with that line

y ≥ 2x - 3 - the region above the line together with that line

<em>look at the picture</em>

The common part is the solution.

8 0
2 years ago
Belina bought 4 1/2 yards of red fabric. She also bought 6 yards of white fabric. How many inches of white fabric than red fabri
kirill115 [55]
First, I will made 4 1/2 into the decimal which is 4.5. Then, I add 6 with 4.5 to find the total fabric that Belinda will buy which is 10.5 in total. As a result, Belinda buys total 10.5 white and red fabrics.
6 0
2 years ago
Read 2 more answers
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