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Elena L [17]
2 years ago
15

Help plsssssssss ....

Mathematics
2 answers:
snow_lady [41]2 years ago
6 0

Answer:

tan

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan23° = \frac{opposite}{adjacent} = \frac{b}{4.5} ( multiply both sides by 4.5 )

4.5 × tan23° = b , then

b ≈ 1.9 ( to 1 dec. place )

erik [133]2 years ago
4 0

Tan is the right answer

hope it helps you ❣❣

<h2>Mark me as brainliest </h2>
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What is the line of symmetry on this graph?
Kisachek [45]

Answer:

(0.5,0)

Step-by-step explanation:

The line of symmetry is if you drew a line straight down the middle (vertically) of the parabola and where it would hit the x-axis

4 0
3 years ago
Determine the gradient and the y-intersect point of:
maks197457 [2]

Answer:

gradient:

3x+2y=5

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5 0
2 years ago
What is the sum of the first five terms of a geometric series with a1=15 and r=1/3
Solnce55 [7]

Answer:

15, 5, 5/3, 5/9, 5/27

Step-by-step explanation:

Recall, that the general form of a geometric series is

a, ar, ar², ar³, .........

where a is the first term and r is the ratio

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also given that ratio is 1/3

hence the first 5 terms are:

15, (15)(1/3), (15)(1/3)^2, (15)(1/3)^3, (15)(1/3)^4

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6 0
3 years ago
Read 2 more answers
Determine the relationship between the two vecors
asambeis [7]

Answer:

Step-by-step explanation:

Since there exists a scalar  

λ

λ

(namely  

λ=a⋅b

λ=a⋅b

) such that  

b=λa

b=λa

, the directions of the two vertices are the same (they are collinear). This implies that  

|a⋅b|=|a||b|

|a⋅b|=|a||b|

.

So,  

|a|=|(a⋅b)b|=|a||b||b|

|a|=|(a⋅b)b|=|a||b||b|

which implies that  

|b|=1

|b|=1

6 0
3 years ago
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Goshia [24]

Answer: For a) the Factor is (x+2) (x+1)

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I don't know your language so I don't know if that was the question or what the other questions were asking, but that's the best I can do

5 0
3 years ago
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