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vagabundo [1.1K]
3 years ago
5

Can anyone explain this to me??

Mathematics
1 answer:
sergejj [24]3 years ago
4 0
The answer is the last one. Except for the first one, the questions are asking which two line segments are congruent (or equal to each other) in the triangle. Hope this helps :3<span />
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Is angle 2 in the diagram and angle of elevation or an angle of depression​
Brrunno [24]

Answer:

Angle of elevation

Step-by-step explanation:

An angle measured from the horizontal upwards is an angle of elevation.

An angle measured from the horizontal downwards is an angle of depression.

∠ 2 is a measure from the horizontal upwards thus angle of elevation.

Note that ∠ 3 is an angle of depression

4 0
3 years ago
Any help please? For extra credit
Law Incorporation [45]

Answer:

see explanation

Step-by-step explanation:

(a)

A recursive formula allows any term in the sequence to be found by adding the common difference d to the previous term.

Here d = - 4 , then recursive formula is

a_{n} = a_{n-1} - 4 with a₁ = 2

(b)

The explicit formula for an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 2 and d = - 4, thus

a_{n} = 2 - 4(n - 1) = 2 - 4n + 4 = 6 - 4n ← explicit formula

(c)

Using the recursive formula

a₁ = 2

a₂ = 2 - 4 = - 2

a₃ = - 2 - 4 = - 6

Using the explicit formula

a₅ = 6 - 4(5) = 6 - 20 = - 14

a₁₀ = 6 - 4(10) = 6 - 40 = - 34

a₁₀₀ = 6 - 4(100) = 6 - 400 = - 394

4 0
2 years ago
Which algebraic expression represents the quotient of seven and a number
Angelina_Jolie [31]

Answer:

7÷w=

Step-by-step explanation:

&;-$&^-;&&&$#g grrr dhhkjfyhhjhfhjirhi

6 0
3 years ago
Find the percent of increase. Original Price: $135 Retail Price: $162
dlinn [17]

20%

Here's a tip: Always start percentage calculating with dividing the current number by 10.

5 0
2 years ago
Find an equation for the plane that passes through the point (3, 6, −9) and is perpendicular to the line v = (0, −9, 5) + t(1, −
raketka [301]
Y=4x over 9 should be the anwser if i did it right
3 0
3 years ago
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