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Snezhnost [94]
2 years ago
11

Plz I need help will rate 5 stars

Mathematics
2 answers:
KengaRu [80]2 years ago
8 0
8 is the answer
can u mark as brainliest
IgorLugansk [536]2 years ago
7 0

Answer:

The answer is :

8

.......

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ILL GIVE BRAINLIESIT HELP
krok68 [10]
D is your answer



Have a good day :)
5 0
2 years ago
A child lies on the ground and looks up at the top of a 9-ft tree nearby. The child is 13 ft away from the tree. What is the ang
choli [55]
Draw a right triangle to represent the problem.
The vertical height of the triangle is 9 ft, and it represents the tree.
The horizontal length, at the bottom of the tree is ground level and has a length of 13 ft.

Let x =  angle of elevation.

By definition,
tan x = 9/13 = 0.6923
x = arctan(0.6923) = 34.7 deg. = 35 deg (approx)

Answer: 35°
8 0
2 years ago
If x²-5x +1 =0, what is the value of -<br><img src="https://tex.z-dn.net/?f=%28x%20%2B%20%20%5Cfrac%7B1%7D%7Bx%7D%20%29%20%20" i
ra1l [238]
<h3>Answer:   5</h3>

=================================================

Work Shown:

x^2 - 5x + 1 = 0

x^2 + 1 - 5x = 0

x^2 + 1 = 5x

(x^2 + 1)/x = 5    .... where x is nonzero

(x^2)/x + (1/x) = 5

x + (1/x) = 5

---------------

An alternative method involves solving the original equation using the quadratic formula. After you get the two roots x = p and x = q, you should be able to find that p + 1/p = 5 and also q + 1/q = 5 as well.

In this case,

p = (5 + sqrt(21))/2

q = (5 - sqrt(21))/2

8 0
2 years ago
Read 2 more answers
Which equation is represented by the graph shown in the image? A. y + 2= x B. y + 1= x C. y - 1= x D. y - 2= x Please show ALL w
olasank [31]

Answer:

A. y + 2= x

Step-by-step explanation:

Which equation is represented by the graph shown in the image?

A. y + 2= x

B. y + 1= x

C. y - 1= x

D. y - 2= x

Please show ALL work! <3

The graph shown has a slope of +1 and a y intercept of -2.

All given answer choices have a slope of +1, so that's not the problem.

We need one that has a y-intercept of -2, or the equation should be

y = x-2, or equivalently y+2 = x

which corresponds to answer choice A.

6 0
3 years ago
The cost of a babysitting service on a cruise is $10for the first hour and $12 for each addition hour. If the total cost of baby
lana66690 [7]

Answer:5hours

Step-by-step explanation:

58-10 = 48 dollars remain after the first hour

48/12 = 4 hours after the first hour

1+4=5 total hours

3 0
3 years ago
Read 2 more answers
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