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3 years ago

Is 6y − 3x > 9 shaded

Mathematics

1 answer:

bagirrra123 [75]3 years ago

7 0

6y - 3x > 9
-3x > -6y + 9
x < 2y - 3....yes, it is shaded below the line

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mario62 [17]

Answer:

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Step-by-step explanation:

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3 years ago

(3x/5-7)+7 is equal to what

Elena L [17]

(3x/5-7)+7

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3 years ago

Find the diameter of the object.

Anni [7]

Answer:

1 $\frac{1}{5}$ centimeters

Step-by-step explanation:

The diameter is equal to the radius × 2. We know that the radius is equal to 3/5 centimeters.

To solve this you must do $\frac{3}{5}$ × 2.

This equals $\frac{6}{5}$ , or 1 $\frac{1}{5}$ cm.

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3 years ago

The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.30, and the sample statistics

IrinaK [193]

Answer: 0.84

Step-by-step explanation:

let p be the population proportion of adults who smoked a cigarette in the past week.

As per given , we have

$H_a: p$

Sample size : n= 1491

The sample proportion of adults smoked a cigarette= $\hat{p}=\dfrac{x}{n}=\dfrac{462}{1491}=0.30985915493\approx0.31$

The test statistic for proportion is given by :-

$z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}$

Substitute all the values , we get

$z=\dfrac{0.31-0.30}{\sqrt{\dfrac{0.30(1-0.30)}{1491}}}\\\\=\dfrac{0.01}{\sqrt{0.000141}}\\\\=\dfrac{0.01}{0.011874342087}=0.84261497731\approx0.84$

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3 years ago

4 over 7 divided by 13 over 28

Galina-37 [17]

Answer:

16/13

Step-by-step explanation:

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5 0

2 years ago

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