HELPPPP MEEE PLEASEEEE

Answers

Answer 1

Answer: The Answer Is B)...................

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I am thinking of a number when I double my number and then subtract the result from 5 I get negative 12 what is my number
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Eight less than a number doubled is twenty more than the number. What is the number?
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The frog population at a lake doubles every week. The population can be modeled by f(x) = 15(2)x and f(6) = 960. What does the 2 represent?

Answers

The frog population at a lake doubles every week. The population can be modeled by f(x) = 15(2)x and f(6) = 960. What does the 2 represent?
The population after six weeks
The starting population
The rate the population increases.
The number of weeks that have passed.

In an A.P,the sum of first ten terms is -150 and the sum of next 10 terms is -550.Find the A.P

Answers

S10 = -150;
the sum of next 10 terms = S20 - S10 => -550 = S20 + 150 => S20 = -700;
S10 = -150 => 2a1 + 9r = -30;
S20 = -700 => 2a1 + 19r = -70;
Then 10r = -40 => r = -4 , and, 2a1 -36 = -30 => 2a1 = 6 => a1 = 3;

MULTIPLE CHOICE, PLS HELP!!θ lies in Quadrant II .

sinθ=4/7

What is the exact value of cosθ in simplified form?

Answers

We know that : Sin²θ + Cos²θ = 1

Given : Sinθ $\bf{= (4)/(7)}$

$\bf{\implies ((4)/(7))^2 + Cos^2(\theta) = 1}$

$\bf{\implies Cos^2(\theta) = 1 - (16)/(49)}$

$\bf{\implies Cos^2(\theta) =((49 - 16)/(49))}$

$\bf{\implies Cos^2(\theta) =((33)/(49))}$

$\bf{\implies Cos(\theta) = (\pm)((√(33))/(7))}$

Given : θ lies in Quadrant II

We know that : Cosθ is Negative in Quadrant II

$\bf{\implies Cos(\theta) = (-)((√(33))/(7))}$

Option 3 is the Answer

The problem and answer choices are shown in the picture!

Answers

csc = hypotenuse / opposite = 13/12

sec = hypotenuse / adjacent = -13/5

cot = adjacent / opposite = -5/12

If you stare at these long enough, massage them and roll them around,
(and remember that the hypotenuse is always positive in the circle), it
eventually dawns on you that

   adjacent = -5
   opposite = 12
   hypotenuse = 13

Draw the angle in the circle, and the end of it is in the second quadrant,
at (-5, 12) .

rob is saving up to buy a new MP3 player for every $15 he earns babysitting he saves six dollars. on Saturday rob earned $75 babysitting how much money did he save

Answers

Answer : He saved $30 money.

Step-by-step explanation :

when he earned $15 from babysitting, he saved money = 6 dollars

when he earned $1 from babysitting, he saved money = $(6)/(15)$ dollars

when he earned $75 from babysitting, he saved money = $(6)/(15)* 75=30$ dollars

Therefore,He saved $30 money.

The total amount of money is 75 dollars
There are 5 fifteens in 75
There are 6 dollars saved everytime he makes 15 dollars
6 x 5 = 30
He saved 30 dollars

The radio station KORK is a conducting a telephone survey. The survey is conducted by selecting 4 pages at random from the telephone book and then interviewing every person on each of the selected pages. This is an example of which of the following sampling techniques?

Answers

Check your definitions of each. A random page sample selection is used, but then a 100% sample is taken of each random page selected. I remember Queen for a Day, which was one of many such shows. Either people got bored of misery or the misery was contrived.

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12 pages in 80 minutes. Express as a simplified fraction