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VLD [36.1K]
2 years ago
5

HELPPPPP!!!!!!!! (explanation needed too)

Mathematics
1 answer:
Sunny_sXe [5.5K]2 years ago
6 0
<h3>A) 2,000,000 + 300,000 + 50,000</h3><h3>B) 25 x 10^6</h3>

25,000,000

20,000,000 + 5,000,000

<h3>C) Which of these numbers is a square number?</h3>

A) 4 x 10^5

400,000

A is not the answer.

B) 9 x 10^4

90,000

B is not the answer.

C) 4 x 10^3

4,000

C is the answer.

D) 9 x 10^3

9,000

D is not the answer.

<h3>The answer for C) Which of these numbers is a square number? is C) 4 x 10^3.</h3>
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What substitution should be used to rewrite 6(x + 5)2 + 5(x + 5) – 4 = 0 as a quadratic equation? u = (x + 5) u = (x – 5) u = (x
Pachacha [2.7K]
6(x+5)² + 5(x+5)-4 = 0

(x+5)(x+5) = x(x+5)+5(x+5) = x² + 5x + 5x + 25 = x² + 10x + 25

6(x²+10x+25) + 5(x+5) - 4 = 0
6x² + 60x + 150 + 5x + 25 - 4 = 0
6x² + 60x + 5x + 150 + 25 - 4 = 0
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5 0
3 years ago
An excavating company charges $300 an hour for the use of a backhoe and $500 an hour for the use of a bulldozer. (part of an hou
Fed [463]

We have that

Cost use of a backhoe----------------------$300 an hour

<span> Estimate for equipment rental each week---------------------$18,400</span>

Total hours operator per week--------------------------------------40

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 $12000<$18400  is ok 

<span> The maximum of hours that I can rent </span>a backhoe <span> are 40 hours, since it is the limit of the operator and it do not overcome the total budget </span>

4 0
3 years ago
2 milliliters in one week
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3 years ago
You deposit $800 in an account that pays 2.25% annual interest compounded continuously. About how long will it take for the bala
timurjin [86]

Answer:

48.8 years

Step-by-step explanation:

A=p(1+r/n)^nt

A= total amount

p= initial investment (800_

r/n= annual interest rate over number of years( 2.25)

t= number of years compounded ( annually , biannually, quarterly etc.)

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7 0
3 years ago
25% of a number is 80. What is 60% of the number.
timofeeve [1]
If 25% is 80, 100% is 320. 60% of 320 is 192.
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3 years ago
Read 2 more answers
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