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Ludmilka [50]
3 years ago
11

If someone could please help me I’m confused thanks:)

Mathematics
1 answer:
Sedbober [7]3 years ago
3 0
<h3>Answer:  x = 45</h3>

Work Shown:

x+x+90 = 180 .... all three angles of a triangle add to 180

2x+90 = 180

2x = 180-90

2x = 90

x = 90/2

x = 45

This is a 45-45-90 right triangle. We also consider it an isosceles right triangle because the base angles (45) are equal.

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. A referee was standing on a certain yard line as the first quarter ended. He walked 41 3/ 4 yards to a yard line with the same
deff fn [24]
100 yards minus 41 3/4 which is 58 1/4 divided by 2 which is 29 1/2
6 0
4 years ago
Read 2 more answers
Select the best answer for the question: All rhombuses are?
gizmo_the_mogwai [7]

Answer:

Parallelograms

Explanation:

All rhombuses are parallelograms but not all parallelograms are rhombuses.

The answer could be kites if that is a choice.

8 0
3 years ago
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A number to the 12th power divided by the same number to the 9th power equals 216. What is the number?
Annette [7]

Answer:

The given such number is 6.

Step-by-step explanation:

Let the given such number  = m

Now, according to the question, the given expression is:

\frac{(m^{12}) }{(m^{9}) }   =  216

By the LAW OF EXPONENTS:

\frac{x^a}{x^b}  = x^{(a-b)}

⇒Here \frac{m^{12}}{m^9}  = m^{(12-9)}  = m^{(3)}

or, the given expression becomes m^3 =  216\\\implies m = \sqrt[3]{216}  = 6

or, m  = 6

Hence, the given such number is 6.

8 0
3 years ago
What is the answer to 2/3^5 divided by 2/3^1
lorasvet [3.4K]

Use the rules of indices

When they are dividing we subtract the exponents provided the bases are the same.

Since the bases are the same,

(2/3)^5 ÷ (2/3)¹

Will be

(2/3)^5-1

= (2/3)⁴

= 16/81

Hope this helps.

8 0
4 years ago
−4.3−(−1.8−x)=3 can you find x please thx
Nezavi [6.7K]
<span>−4.3−(−1.8−x) = 3
</span><span>−4.3 + 1.8 + x = 3
           x </span>− 2.5 = 3
                    x = 5.5
7 0
4 years ago
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