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sattari [20]
2 years ago
5

PLEASE HELP I FORGOT EVERYTHING

Mathematics
2 answers:
Phantasy [73]2 years ago
6 0

\huge{\textbf{\textsf{{\color{navy}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}

\frac{2}{x}  =  \frac{5}{3}

By doing cross multiplication.

6 = 5x \\  x = \frac{6}{5}  \\ x = 1.2

  • Thanks
  • Hope it helps
  • Pls mark as brainliest
Mashcka [7]2 years ago
3 0

Answer:

the answer you are looking for is A ,1.2

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10.Which of the following values does not satisfy the inequality ?
kupik [55]

Answer:

The answer is -4

Step-by-step explanation:

-2x-6<=1

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4-6<=1

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7 0
3 years ago
"a pollster wishes to estimate the number of left-handed scientists. how large of a sample is needed in order to be 98% confiden
nadezda [96]
The sample size should be 250.

Our margin of error is 4%, or 0.04.  We use the formula

\text{ME}=z\sqrt{\frac{\hat{p}(1-\hat{p})}{n}}

To find the z-score:
Convert 98% to a decimal:  0.98
Subtract from 1:  1-0.98 = 0.02
Divide both sides by 2:  0.02/2 = 0.01
Subtract from 1:  1-0.01 = 0.99

Using a z-table (http://www.z-table.com) we see that this value has a z-score of approximately 2.33.  Using this, our margin of error and our proportion, we have:

0.04=2.33\sqrt{\frac{0.08(1-0.08)}{n}}&#10;\\&#10;\\0.04=2.33\sqrt{\frac{0.08(0.92)}{n}}

Divide both sides by 2.33:
\frac{0.04}{2.33}=\sqrt{\frac{0.08(0.92)}{n}}

Square both sides:
(\frac{0.04}{2.33})^2=\frac{0.08(0.92)}{n}

Multiply both sides by n:
(\frac{0.04}{2.33})^2n=0.08(0.92)

Divide both sides to isolate n:
\frac{0.08(0.92)}{(\frac{0.04}{2.33})^2}=n&#10;\\&#10;\\249.73=n&#10;\\n\approx 250
4 0
3 years ago
On a typical day flights at a local airport arrive at a rate 10 every 15 minutes at this rate how many would you expect to arriv
harina [27]
How many times do 15 minutes fit into one hour? 4 times: 4*15=60 mins.

So that means that 4 times per hour 10 flights appear, and in total 4*10=40 planes arrive over one hour!
5 0
3 years ago
Brandon follows a 2,800 calorie per day diet. He has 11 servings of breads and cereal, which average 140 calorie each. Yesterday
JulijaS [17]
Breads/cereals;

11 * 140 = 1540 calories

Fruits/vegetables;

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Meat/milk;

x * 180 = 2800 - (1540 + 540)

180x = 2800 - 2080

180x = 720

x = 4 servings
8 0
2 years ago
Which statement describes a key feature of function g if g(x) = f(x + 4)?
11111nata11111 [884]

The statement that describes a key feature of function g if g(x) = f(x + 4) is C. horizontal asymptote of y = 0.

<h3>What is a function?</h3>

It should be noted that a function is an expression that shows the relationship between the variables.

In this case, the statement that describes a key feature of function g if g(x) = f(x + 4) is that the horizontal asymptote of y = 0.

The horizontal asymptote is vital for guiding the variables

Learn more about functions on:

brainly.com/question/6561461

#SPJ1

5 0
2 years ago
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