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Marta_Voda [28]
2 years ago
9

If cos a =0.8290 then a < is approximately

Mathematics
1 answer:
borishaifa [10]2 years ago
4 0

Answer:

34 degrees

Step-by-step explanation:

Just reverse the cos function   ( you will need a calculator)

arc cos (.8290) = 34 degrees

this is sometimes written as   cos^-1 (.8290)   <====it is the same thing

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Plz help what is 7x+14 divided by 7
Luba_88 [7]

Answer:

x + 2

Step-by-step explanation:

7x+14 divided by 7

\frac{7}{7} x + \frac{14}{7} \\= 1x +2\\= x + 2

Hope this helps !

4 0
3 years ago
Suppose line segment AB has one endpoint at A(0, 0). What are the coordinates of B if (5, 3) is 1/3 of the way from A to B?
Bumek [7]

Given:

Line segment AB has one endpoint at A(0,0).

(5, 3) is 1/3 of the way from A to B.

To find:

The coordinates of point B.

Solution:

Let the coordinates of point B are (a,b).

Suppose point P(5, 3) is 1/3 of the way from A to B.

\dfrac{AP}{AB}=\dfrac{1}{3}

\dfrac{AP}{PB}=\dfrac{AP}{AB-AP}=\dfrac{1}{3-1}=\dfrac{1}{2}

It means, point P(5, 3) divides the segment AB in 1:2.

Section formula:

If a point divides a line segment in m:n, then

Point=\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n}\right)

Point P(5, 3) divides the segment AB in 1:2. Using section formula, we get

P=\left(\dfrac{1(a)+2(0)}{1+2},\dfrac{1(b)+2(0)}{1+2}\right)

(5, 3)=\left(\dfrac{a}{3},\dfrac{b}{3}\right)

On comparing both sides, we get

\dfrac{a}{3}=5

a=15

\dfrac{b}{3}=3

b=9

Therefore, the coordinates of point B are (15,9).

8 0
3 years ago
You are making 2 cakes for your siblings. You want to make sure both cakes have the same
MrRissso [65]

Answer: GOOBLE GOBBLE

Step-by-step explanation: :P

3 0
3 years ago
If a system of linear equations has one solution, what does this mean about the two lines?
MariettaO [177]

Answer:

It means two lines intersected.

C is correct

Hope this helps!

:)

5 0
3 years ago
I need some help.Anyone wanna answer this for me?
babunello [35]
I think 6:8:0 is a possible answer for the first question, Math isn’t my greatest subject
5 0
3 years ago
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