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3 years ago

A. (0,5) B. (5,0) C. (3,2) O D. (-3,-6)

Mathematics

1 answer:

hram777 [196]3 years ago

3 0

Answer:

A. (0,5)

______________

graph equation: y > 4/3x – 2

Explanation:

Since the equation of the graph represents an inequality of the line y = 4/3x – 2, where y > 4/3x – 2, the coordinates are in the form of (x, y) where x is the horizontal (left or right) position, and y is the vertical (up or down) position.

When the line is dashed, with a shade above the line, it is greater than [>].

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Answer:

The answer is 4

Step-by-step explanation:

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3.92994704

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3 years ago

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The sides of a polygon are 3, 5, 4, and 6. The shortest side of a similar polygon is 9. Find the ratio of their perimeters.

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The answer is actually 1/3

Step-by-step explanation:

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3 years ago

Solve the equation 5/7 (x-9)=25

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3 years ago

A new weight-watching company, Weight Reducers International, advertises that those who join will lose an average of 10 pounds a

Ksenya-84 [330]

Answer:

The calculated value Z = 2.53 >1.96 at 0.05 level of significance

Null hypothesis H₀ is rejected

we accepted alternative hypothesis

we conclude that those joining Weight Reducers will lose greater than 10 pounds

Step-by-step explanation:

Step(i):-

Given the random sample size 'n' =50

Given data a new weight-watching company, Weight Reducers International, advertises that those who join will lose an average of 10 pounds after the first two weeks. The standard deviation is 2.8 pounds.

The mean of the Population 'μ' = 10pounds

The standard deviation of the Population 'σ' = 2.8 pounds

Given mean of the sample 'x⁻' = 9

Level of significance ∝ = 0.05

Step(ii):-

Null hypothesis :H₀: μ<10

Alternative hypothesis: H₁: μ>10

The test statistic

$z= \frac{x^{-} - mean}{\frac{S.D}{\sqrt{n} } }$

$z= \frac{9 - 10}{\frac{2.8}{\sqrt{50} } } = \frac{-1}{0.395} = 2.53$

The calculated value Z = 2.53

The tabulated value Z = 1.96 at 0.05 level of significance

Step(iii):-

The calculated value Z = 2.53 >1.96 at 0.05 level of significance

Null hypothesis H₀ is rejected

we accepted alternative hypothesis

Conclusion:-

we conclude that those joining Weight Reducers will lose greater than 10 pounds

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4 years ago

Which equation can be used to represent the statement? Sixteen is the same as one and two-tenths times a number added to negativ

andreyandreev [35.5K]

The equation can be used to represent statement 'Sixteen is the same as one and two-tenths times a number added to negative 8' is,

$16=1.2n+(-8)$

<h3>How to write algebraic equation from statement? </h3>

Algebraic equation are the expression which consist the variables, coefficients of variables and constants.

The algebraic equation are used represent the general problem in the mathematical way to solve them.

Steps to write down the simple algebraic equation from statement-

Identify all the factors of the expression.

Assume a variable for the changing values.

Put a coefficient for the variable, if there is any rate of change of variable.

Use constant numbers for the fixed values.

Given information-

The given statement is 'sixteen is the same as one and two-tenths times a number added to negative 8'.

The statement given in the problem is talking about a unknown number. Let the unknown number is $n$ .

The number is sixteen is the same as one and two-tenths times a number added to negative 8.

This means when our number n, multiplied by the fraction 2/10, and added by the negative 8, then it becomes equal to the number 16. Mathematically,

$16=n+\dfrac{2}{10}\times n+(-8)\\16=1.2n+(-8)$

Thus the equation can be used to represent the given statement is,

$16=1.2n+(-8)$

Learn more about the algebraic expression here;

brainly.com/question/2164351

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2 years ago