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liq [111]
3 years ago
11

The estimated populations of two different countries in 2030 are shown in the table. What is the difference between the estimate

d population of countries A and the estimated population of country B in 2030 written in scientific notation.
country A: 1,300,000,000
Country B: 144,000,000​
Mathematics
1 answer:
Hitman42 [59]3 years ago
5 0

Answer: A (1.156x10(6)

Step-by-step explanation: IM DOING THE INTERIM TOOOOOO

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the first term in a geometric series is 64 and the common ratio is 0.75. Find the sum of the first 4 terms in a series.
Rufina [12.5K]

hi

u0 = 64       with  u(n+1) = un *0.75  

u3 =  64 *0.75^3   = 27

sum is :      64 *  ( 0.75^4 -1)  / 0.75-1  = 175

manual proof :    64 + 48+36+27 = 175

6 0
3 years ago
Find the H.C.F of the following expressions.
Art [367]

Step-by-step explanation:

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5 0
3 years ago
Can you help me please
notsponge [240]

9514 1404 393

Answer:

  1. reflection across the origin
  2. rotation 180° about the origin
  3. reflection across the x-axis, and translation right 6 units

Step-by-step explanation:

The figure and its image are symmetrical about the origin, so the following three transformations are equivalent:

  1. reflection across the origin

  2. rotation 180° about the origin

  3. reflection across both x- and y-axes, in either order

__

The figure itself has left-right symmetry, so only one reflection is necessary to map the figure to its image: reflection across a horizontal line. Following that reflection, the image can be put into place by an appropriate translation. One such pair of transformations is ...

  4. reflection across the x-axis and translation 6 units right, in either order

8 0
3 years ago
(h(1) = 14<br> h(n)<br> 28<br> hin - 1)<br> h(2) =
Serhud [2]

Answer:

Y=ax2

Step-by-ste:

Y=ax28(n)

5 0
3 years ago
If the altitude of an equilateral triangle is 9 what is the perimeter
Volgvan
The angles in an equilateral triangle  are 60 degrees.

sin 60 = 9 / h     where h is  hypotenuse ( = side of the triangle)

h = 9 / sin 60 = 10.392

Perimeter = 3 * h = 31.18  to nearest hundredth
3 0
3 years ago
Read 2 more answers
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