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3 years ago

Find the distance between -2 3/5 and -2 3/10 on a number line.

Mathematics

1 answer:

alina1380 [7]3 years ago

7 0

Answer: 3/10. -2 3/5 = -2 6/10. -2 6/10 - -2 3/10 = - 3/10. -3/10 = 3/10 away on a number line

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The vertex of this parabola is at (-3, 6). which of the following could be its equation?

dimaraw [331]

Option B - y=-3(x+3)^2+6

Step-by-step explanation:

Step 1:

The equation of any parabola in the standard form with vertex at the origin is y^2 = 4ax . When it opens upward, the equation would be x^2 = 4ay

When the vertex is shifted to a point other than the origin, the equation would be

(x-h)^2 = 4a(y-k)

Step 2 :

Given that the vertex of the parabola is at (-3, 6). We will have the x and y co-ordinate shifted with this value.

So the equation of the parabola will have x and y shifted to x-(-3)) and y-6

=> x+3 and y-6

Step 3:

Based on the above 2, we can see that option B y=-3(x+3)^2+6 could be the equation of the parabola.

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3 years ago

43. A one sample test for a proportion is being performed. If the critical value is 2.33 and the test statistics is 1.37, a) The

Sonbull [250]

Answer:

Option A) The null hypothesis should not be rejected.

Step-by-step explanation:

We are given the following in the question:

A one sample test for a proportion is being performed.

Critical Value = 2.33

Test statistic = 1.37

Since the critical value is positive and the calculated test statistic is positive, thus it is a right tailed test for a proportion.

The null and alternate hypothesis can be written as:

$H_{0}: p \leq p_0\\H_A: p > p_0$

Since the calculated test statistic is less than the critical value, we fail to reject the null hypothesis.

We accept the null hypothesis.

Thus, the correct answer is

Option A) The null hypothesis should not be rejected.

7 0

3 years ago

In which number is the value of the seven equal

kozerog [31]

Answer:

It would be C, 64.387

Step-by-step explanation:

First, you have to solve 7x1/1000. This equal to 7/1000 which should be converted into decimal form (since all the answers are in decimal form). 7/1000 is 0.007 in decimal form.

It is 0.007 since in 7/1000, the denominator is 1000, making 7 in the thousandths place (the 3rd digit to the right of the decimal point).

The only number that contains 0.007 is the 3rd one, making it your answer.

5 0

3 years ago

Please help with 10!

bixtya [17]

Answer:

...

Step-by-step explanation:

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3 years ago

Identify the independent and dependent variables. The equation A=25w gives the area A (in square feet) of a rectangular dance fl

kozerog [31]

Answer:

The dependent variable is A

The independent variable is w

Step-by-step explanation:

Given

$A = 25w$

Required

Identify the variables

In $A = 25w$

The value of w is independent of the value of A.

In other words:

A derive its own value from w; by multiplying 25 and w.

Take for instance:

$w = 3$

The value of A would be:

$A = 25 * 3$

$A = 75$

Hence:

The dependent variable is A

The independent variable is w

7 0

3 years ago

Find the distance between -2 3/5 and -2 3/10 on a number line.​

Find the distance between -2 3/5 and -2 3/10 on a number line.