3 years ago

Write and solve and equation

Mathematics

1 answer:

sweet [91]3 years ago

7 0

Gene is the correct answer

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Brian, Pip and Sara share some sweets in the ratio 4:2:1. Brian gets 45 more sweets than Sara. How many sweets are there altoget

elixir [45]

Answer:

105 sweets

Step-by-step explanation:

4×15 = 60

2×15=30

1×15=15

60-15 =45

60+30+15=105

5 0

2 years ago

Multiply or divide as indicated. x^4 • x^-2

Anettt [7]

The answer is 0 unless I did the math wrong

If so someone correct me. Other than that, hope this helped!

8 0

3 years ago

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in 1990 there were about 5.4 billion people in the world. if the population has been growing at 1.95% per year, estimate the yea

kompoz [17]

Answer:

2011

Step-by-step explanation:

Here is the formula.

$A=P(1+r)^{n}$

A = Final Value

P = Starting Value

R = Rate

N = Time in Years

A = 8,000,000,000

P = 5,400,000,000

R = 0.0195

N = Time in Years

Solve for n.

20.35 Years from 1990; so sometime in 2011 the population would be 8 billion.

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2 years ago

What is the value of x?

Alexxandr [17]

Answer:

Step-by-step explanation:

2x+2=3x-52

-2x -2x

2=x-52

+52 +52

54=x

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3 years ago

Singer a and b had two top grossing concert tours for a certain year, together generating $331 million in ticket sales. If singe

Semmy [17]

Answer:

Step-by-step explanation:

a + b = 331 (million)

b = 25 (million)

a + 25 = 331

a = 331 - 25

a = 306 (million).......singer a took in 306 million

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3 years ago

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Write and solve and equation​

Write and solve and equation