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NeTakaya
2 years ago
14

In scientific notation, 670,000,000 + 700,000,000 = ?

Mathematics
2 answers:
pogonyaev2 years ago
3 0

Answer:

1.37 x 10 -9

Step-by-step explanation:

lilavasa [31]2 years ago
3 0
6.7x10^8 + 7x10^8 or 1.37x10^9 if you add them before scientific notation
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39 is the percent of 12.5
Rashid [163]
You mean '39 is what percent of 12.5 ?'

So, the answer is

39/12.5 × 100
= 3.12 × 100
= 312%

So, 39 is 312% of 12.5.

(The percentage is greater because 39 is greater than 12.5)
7 0
3 years ago
What is the perimeter of this shape? Use numbers only. *
olga55 [171]

Answer:

13

Step-by-step explanation:

The perimeter is all of the sides added together. Because this is a rectangle, the length and width are the same on both sides. They gave you the length and width, so just add them:

4 + 4 + 2.5 + 2.5 = 13.

So the perimeter of the shape is 13.

5 0
2 years ago
Read 2 more answers
A group of rowdy teenagers near a wind turbine decide to place a pair of
tamaranim1 [39]

Answer:

a) Sinusoidal functions are y = a sin [b(x-h)] + k    (or)                                        

y = a cos [b(x-h)] + k

Where a is amplitude a= (max-min)/2=(16-2)/2=7

period p= 2π/b

            b=2π/30

            Horizontal transformation to 10 units right h=10

            k= (max+min)/2=(16+2)/2=9

h = 7 cos [π/15(t-10)]+ 9

b) t=10min=600 sec

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h=5.5m

3 0
3 years ago
I chose A<br> I want to know if I did this correct
seropon [69]
2y/(y²-8y+5)  -  1/(y-5)=
2y/(y-5)(y-3)  -    1/(y-5)=
Least common multiple=(y-5)(y-3)
2y-1(y-3)  /  (y-5)(y-3)=
2y-y+3  /  (y-5)(y-3)=
y+3 / (y-5)/y-3)

Answer :  (y+3)  /  (y-5)(y-3).

you did right, congratulations!!.
6 0
3 years ago
What shape is both a rhombus and rectangle?
fenix001 [56]

Answer:

A square

Step-by-step explanation:

Definition of a rhoumbus: Shape that 4 sides that are all equal

Definition of a rectangle: 4 Right Angles

Definition of a square: All sides and angles are equal.

So, the square has 4 right angles, and has 4 equal sides

8 0
3 years ago
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