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marishachu [46]
2 years ago
11

in 1960 there were approximately 3,000 million people on earth, in 1999 there were 6,000 people on earth what was the approximat

e rate of increase, in millions of people each year.
Mathematics
1 answer:
Pachacha [2.7K]2 years ago
3 0

Answer:

In 39 years time, the population doubled.

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1. If you wanted to make a triangle with side lengths of 3 units, 3 units, and 4
ivanzaharov [21]

Answer:

Since 4 is the largest number its the hypotenuse. The two 3s are equal so they are interchangeable so it doesn't matter where you put them. If its a right triangle the hypotenuse is opposite the right angle.

Step-by-step explanation:

7 0
3 years ago
Katherine invested $86,000 in an account paying an interest rate of 52%
earnstyle [38]

Answer: $4,331‬

Step-by-step explanation:

I will assume that the question meant 5.2% not 52% as this is quite excessive.

Katherine after 13 years.

Convert the variables;

n = 13 years = 13 * 365 = ‭4,745‬ days

r = 5.2% = 5.2/365 = 5.2/365%

Future value = P * ( 1 + r)^n

= 86,000 * (1 + 5.2/365%)⁴⁷⁴⁵

= $169,068

Michael after 13 years;

If compounded continuously, the formula is;

Future value = Pe^rt

= 86,000 * e⁰.⁰⁵ ˣ ¹³

= $164,737

Difference = 169,068 - 164,737

= $4,331‬

5 0
2 years ago
HELPP HELPP HELPP HELPP HELP PLZ
iogann1982 [59]

Answer:

Volume= 216 cubic yards

Surface area: 276 square yards

Step-by-step explanation:

Find volume of rectangular prism:

V= lxwxh

V= 3x18x4

= 216 cubic yards

Find surface area:

SA= 2 x (front/back area) + 2 x (right/left area) and 2 x ( bottom/top area)

Front and Back Area:

A= l x w

A = 18 x 3

= 54 square yards

Right/ left Area:

4 x 3

= 12 square yards

Top/ Bottom Area:

18 x 4

= 72 square yards

54^2+12^2+72^2

= 108+24+144

=276 square yards

8 0
2 years ago
Read 2 more answers
Please help. will give points
Snezhnost [94]
(x² + 10)(6x - 5)
6x³ - 5x² + 60x - 50 or the second option
6 0
2 years ago
Forty-eight pens are packaged in 4 boxes. How many pens are packaged in 9 boxes?
Monica [59]
48/4= 12 pens per box
12*9 = 108 pens in 9 boxes
6 0
2 years ago
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