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vekshin1
3 years ago
15

I really need help please

Mathematics
1 answer:
Lana71 [14]3 years ago
6 0

Answer:

Step-by-step explanation:

We have two sides; the Adjacent and the Hypotnuse

Meaning we will use Cos

Cos = A/H

Cos X = 16/19

Use the inverse of Cos to find the angle

X = cos-1 (16/19)

X = 0.45499141546

X = 0.45

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Someone pls help me ill give out brainliest pls don’t answer if you don’t know
Akimi4 [234]

Answer:

B.

\sqrt{256}  \: and \:  \sqrt{289}

Step-by-step explanation:

Explanation:

\sqrt{256 }  = 16 \\  \sqrt{289}  \:  = 17

5 0
3 years ago
PLZ HELP MEH!! it would mean a lot! :) thx
Rudiy27

Step-by-step explanation:

-2m - 5m - 8 = 3 - 7 + m

Solving like terms

-7m - 8 = - 4 + m

Rearranging

-7m - 8 = m - 4

4 0
3 years ago
Determine whether f(x)=2x^2 -6x +k has a maximum or minimum value, and determine the maximum or minimum value.
kicyunya [14]
Since it is a parabola if there is no negative sign in front of the equation then it will have a minimum.

The standard form of a quadratic is ax^2+bx+c
When a>0 then the equation will have a minimum.
When a<0 then the equation will have a maximum.
Honestly I have no idea what to do after that. The k is throwing me off.
4 0
3 years ago
(This looks basic, but I need help) In the table below, x represents miles traveled and y represents the cost to travel by train
ElenaW [278]
I'll start working on the rate...
 15.25- 8.5 =6.75       6.75/ 3= 2.25  <(This is the rate)
8.5- 2.25= 6.25         6.25- 2.25= 4 <(Now I work my way to the y-intercept)
The y-intercept is 4 and the rate, which I found along the way, is 2.25.

I hope my answer satisfies you.
3 0
4 years ago
Read 2 more answers
lyn put 3 7/8 gas in her gas tank. If there are now 18 1/6 gallons in her tank, how many gallons did she start with?
djyliett [7]

Answer:

14.3 gallons

Step-by-step explanation:

18 1/6 gallons - 3 7/8 = 14.29

18 - 3 = 15

1/6 - 7/8 = 15 - 0.70833333333 = 14.2916666667

You need to be careful here if you use basic subtraction, simply as two minus would change to addition.

3 0
3 years ago
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