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Alenkinab [10]
2 years ago
7

O

Mathematics
1 answer:
Volgvan2 years ago
7 0

Answer:

Triangular prism?

Step-by-step explanation:

I done this riddle before but I dont remember to cleary of what the answer is.

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Find the 17th term in the sequence for which a1 = 10 and d = -3.
yKpoI14uk [10]

Answer:

d. -38

Step-by-step explanation:

Arithmetic sequence concepts:

The general rule of an arithmetic sequence is as follows:

a_{n+1} = a_{n} + d

In which d is the common diference between each term.

We can expand the general equation to find the nth term from the first, by the following equation:

a_{n} = a_{1} + (n-1)*d

In this question:

a_{1} = 10, d = -3

17th term:

a_{17} = a_{1} + (17-1)*d = 10 + 16*(-3) = -38

So the correct answer is:

d. -38

6 0
3 years ago
Write th number of permutations in factorial form. then simplify. How many different ways can you and six of your friends sit in
kolbaska11 [484]
 The answer is D. The answer is D because when It is simplified  7?49. The answer is the only possible answer could be correct since the rest of their maths don't add up. 
C 
<span>A </span>
<span>C </span>
<span>D </span>
<span>D </span>
<span>B </span>
<span>D </span>
<span>B </span>
<span>C</span>
8 0
3 years ago
Please help me I really don’t know
Mazyrski [523]

Answer:

acute-angled

Step-by-step explanation:

It doesn't have a right angle and one of its corners isn't for than 90 degrees

7 0
3 years ago
What is the relationship between the symbol and the word pi?
swat32
The distance around the outside a circle is its circumference. Consider the formula for the circumference of a circle, Circumference = Pi x Diameter. Solving for Pi we get, Pi = Circumference divided by Diameter.
4 0
3 years ago
Calculate the value of angle A and C of ∆ ABC. Where b=1435cm, a= 782cm and B= 115.6°.​
Monica [59]

The Law of Sines says

\dfrac{\sin A}{a} = \dfrac{\sin B}{b} = \dfrac{\sin C}{c}

\sin A = \dfrac a b \sin B

A = \arcsin( \dfrac{782}{1435} \sin 115.6 ) = 29.44^\circ

We don't have to worry about the obtuse supplement because a triangle can only have one obtuse angle, and that's B.

C = 180 - 115.6 - 29.44 = 34.96^\circ

Answer: A=29.44°, C=34.96°

5 0
3 years ago
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