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Deffense [45]
3 years ago
10

-5 1/2 divided by (-4 1/2)

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
8 0

Answer:

.3125

Step-by-step explanation:

const2013 [10]3 years ago
7 0

Answer:

1 2/9

Step-by-step explanation:

Convert any mixed numbers to fractions.

Then your initial equation becomes:

−112÷−92

Applying the fractions formula for division,

=−11×22×−9

=−22−18

Simplifying -22/-18, the answer is

=129

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What are the transformations? f left parenthesis x right parenthesis space equals negative 3 left parenthesis x minus 4 right pa
Phoenix [80]

Answer:

The graph of the functions moves 4 units right, 3 units up stretches vertically by a factor of 3 and reflects horizontally.

Step-by-step explanation:

In order to find the function transformations, we must first determine what the base function is:

f(x)=x^{2}

Next, we need to determine how the function is being affected by the transformations.

When the graph of the function moves 4 units right, we mus subtract 4 units from x, so the function looks like this then:

f(x)=(x-4)^{2}

If we need to stretch it vertically by a factor of 3, we need to multiply the function by 3:

f(x)=3(x-4)^{2}

If we need to reflect it horizontally, then we turn the 3 into a negative so we get:

f(x)=-3(x-4)^{2}

And finally, if we wanted to move the graph up by 3 units, then we need to add 3 units to the whole graph, so we get:

f(x)=-3(x-4)^{2}+3

in the attached picture you will be able to see the graph of the base function with all the transformations.

8 0
3 years ago
The U.S. Bureau of Labor Statistics reports that 11.3% of U.S. workers belong to unions (BLS website, January 2014). Suppose a s
vitfil [10]

Answer:

There is not enough evidence to support the claim that union membership increased.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 400

p = 11.3% = 0.113

Alpha, α = 0.05

Number of women belonging to union , x = 52

First, we design the null and the alternate hypothesis

H_{0}: p = 0.113\\H_A: p > 0.113

The null hypothesis sates that 11.3% of U.S. workers belong to union and the alternate hypothesis states that there is a increase in union membership.

Formula:

\hat{p} = \dfrac{x}{n} = \dfrac{52}{400} = 0.13

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

Putting the values, we get,

z = \displaystyle\frac{0.13-0.113}{\sqrt{\frac{0.113(1-0.113)}{400}}} = 1.073

now, we calculate the p-value from the table.

P-value = 0.141636

Since the p-value is greater than the significance level, we fail to reject the null hypothesis and accept the null hypothesis.

Thus, there is not enough evidence to support the claim that union membership increased.

5 0
3 years ago
How can I show that 0.2 is greater than 0.18
SCORPION-xisa [38]

Answer:

Step-by-step explanation:

By showing that 0.20 is greater than 0.18 by doing 0.20-0.18 which gives a positive 0.02, thich means that its greater.

8 0
3 years ago
Read 2 more answers
Solve the system using elimination 0.4x+0.3y=1.7 0.7x-0.2y=0.8
saul85 [17]

Sorry for the lateness this probably wont be helpful but

X=2

Y=3

6 0
3 years ago
What is the value of x?
just olya [345]
2x + 10 = 44
2x= 34
x= 17
3 0
3 years ago
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