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LiRa [457]
3 years ago
15

-8, 22, 52, 82, ... Find a 20

Mathematics
1 answer:
gladu [14]3 years ago
8 0

Answer:

Step-by-step explanation:

It is an arithmetic sequence with common difference d = 30.

a₂₀ = a₁ + (20-1)d = -8 + 19·30 = 562

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A right triangle has a hypotenuse length of 12, and one side length of 9. find the missing side length. do the side lengths form
Rina8888 [55]

Use the Pythagorean theorem:

a^2+b^2=c^2

c - a hypotenuse

a, b - legs

We have: a = 9 and c = 12. Substitute:

9^2+b^2=12^2

81+b^2=144               <em>subtract 81 from both sides</em>

b^2=63\to b=\sqrt{63}\\\\b=\sqrt{9\cdot7}\\\\b=\sqrt9\cdot\sqrt7\\\\ \boxed{b=3\sqrt{7}}

A Pythagorean triple consists of three positive integers a, b and c, such that

a^2+b^2=c^2.

b=3\sqrt{7} is not positive integer.

<h3>The sides of the triangle do not form a pythagorean triple.</h3>
5 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20-%202%20%5Cleqslant%20x%20-%203%20%3C%204" id="TexFormula1" title=" - 2 \leqslant x - 3 &lt
Stella [2.4K]

Answer:

1 ≤ x < 7

Step-by-step explanation:

−2+3≤x−3+3<4+3 (Add 3 to all parts)

3 0
3 years ago
The planner needs a clearance of 9 feet under the arch. Has the planner met the minimum height?
Assoli18 [71]

Answer:

Yes,planner has met the minimum height, as minimum height was 9 feet and maximum height of arc is 9.6 feet

Step-by-step explanation:

The question is incomplete as all the details have not been given in the question.I have attached the complete question and its options at the bottom. Consult in for better understanding.

As we can see that at the mid value, for x=4, the value of f(x)=9.4

It means that the maximum height occurs at mid of the arc where it is height is 9.6 feet above the ground.

It means that the planner has met the minimum height, as minimum height was 9 feet and maximum height of arc is 9.6 feet

4 0
4 years ago
In the figure, the slope of mid-segment DE is -0.4. The slope of segment AC is . NextReset
Ksivusya [100]
The answer is:  0.4


 Hope this helps
5 0
3 years ago
Read 2 more answers
You have a balance of $4,000 on your credit card with a 12% interest rate (1% per month). You plan to make no new purchases with
Alex787 [66]
Should be around $335-$340 per month
4 0
3 years ago
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