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Sonbull [250]
1 year ago
9

What is 125% of 280?

Mathematics
2 answers:
kompoz [17]1 year ago
3 0

Answer:350 trust me

Step-by-step explanation:

inysia [295]1 year ago
3 0
125% of 280 is 350

125/100 of 280 = 125/100 × 280
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Please find measure of angle s. PLEASE HELP FAST!!
Studentka2010 [4]

Answer:

27

Step-by-step explanation:

15x-31 = 9x+11

6x-31 = 11

6x = 42

x = 7

15x -31 + 9x + 11 + s = 180

15(7) -31 + 9(7) + 11  + s = 180

105 - 31 + 63 + 11 + s = 180

153 + s = 180

s = 27

8 0
2 years ago
Round 835.411 to the nearest tenth.
kondor19780726 [428]

The tenth position is the one that goes after the decimal point.

To round a number, you have to take into account the following:

1. If the number that goes after the position we are going to round to is greater than 5, we round to the next number in that position.

2. If the number that goes after the position we are going to round to is less than 5, we round to the same number in that position.

In this case, the number that is on the tenth's position is 4. The number that is after this position is 1, which is less than 5, then we round the number in this positon to 4.

The rounded number would be:

835.4

4 0
1 year ago
Researchers recorded that a certain bacteria population declined from 800,000 to 500,000 in 6 hours after the administration of
kupik [55]

Answer:

We can assume that the decline in the population is an exponential decay.

An exponential decay can be written as:

P(t) = A*b^t

Where A is the initial population, b is the base and t is the variable, in this case, number of hours.

We know that: A = 800,000.

P(t) = 800,000*b^t

And we know that after 6 hours, the popuation was 500,000:

p(6h) = 500,000 = 800,000*b^6

then we have that:

b^6 = 500,000/800,000 = 5/8

b = (5/8)^(1/6) = 0.925

Then our equation is:

P(t) = 800,000*0.925^t

Now, the population after 24 hours will be:

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5 0
2 years ago
A rectangle has a side length of (x+2) meters and a width of (2x+3) meters.
Kaylis [27]

Step-by-step explanation:

area=length x width

91=(x+2)(2x+3)

91=x^2+5x+6

x^2+5x-85=0

x=14.2 orx=-24.1

7 0
3 years ago
(4y 2 – 5y) + (3y – 7y 2) – (2y 2 + 6y – 5)<br> Simplify.
Elan Coil [88]
<span>Equation at the end of step  1  :</span><span><span> (((4•(y2))-5y)+(3y-(7•(y2))))-((2y2+6y)-5) </span><span> Step  2  :</span></span><span>Equation at the end of step  2  :</span><span><span> (((4•(y2))-5y)+(3y-7y2))-(2y2+6y-5) </span><span> Step  3  :</span></span><span>Equation at the end of step  3  :</span><span> ((22y2 - 5y) + (3y - 7y2)) - (2y2 + 6y - 5) </span><span> Step  4  :</span><span> Step  5  :</span>Pulling out like terms :

<span> 5.1 </span>    Pull out like factors :

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I hope tht help

4 0
3 years ago
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