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ANTONII [103]
3 years ago
14

4x-5=2(2x-1)-3 solve for x

Mathematics
1 answer:
son4ous [18]3 years ago
5 0

Answer:

x=0

Step-by-step explanation:

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Initially Sam receives $40 and every year she receives a deposit that increases the amount by $20 from
erastova [34]

Answer:

1080

Step-by-step explanation:

5 0
3 years ago
What are the x-intercepts of the graph of the function f(x) = x2 + 5x − 36?
Ede4ka [16]
Answer: Second option: (4,0) and (-9,0)

f(x)=x^2+5x-36

The x-intercepts of the graph of a function f(x) are the values of the variable x that makes f(x)=y equal to zero. To find these values we only have to equal f(x)=y to zero:
f(x)=y=0
x^2+5x-36=0

Factoring the polynomial:
(x+9)(x-4)=0

Using that if a b=0, then: a=0 or b=0
with a=x+9 and b=x-4

x+9=0 or x-4=0

Solving for x:
x+9-9=0-9 or x-4+4=0+4
x=-9 or x=4

Then the x-intercepts are the poitns (x,y)=(x,0):
(4,0) and (-9,0)
6 0
3 years ago
Read 2 more answers
Suppose a city official conducts a hypothesis test to test the claim that the majority of voters oppose a proposed school tax. A
lidiya [134]

Answer:

The correct option is (B).

Step-by-step explanation:

The p-value is well-defined as per the probability, [under the null-hypothesis (H₀)], of attaining a result equivalent to or more extreme than what was the truly observed value of the test statistic.

In this case, we need to test the claim that the majority of voters oppose a proposed school tax.

The hypothesis can be defined as follows:

<em>H</em>₀: The proportion of voters opposing a proposed school tax is not a majority, i.e. <em>p</em> ≤ 0.50.

<em>Hₐ</em>: The proportion of voters opposing a proposed school tax is a majority, i.e. <em>p</em> > 0.50.

It is provided that the test statistic value and <em>p</em>-value are:

<em>z</em> = 1.23

<em>p</em>-value = 0.1093

The probability, [under the null-hypothesis (H₀)], of attaining a result equivalent to or more extreme than what was the truly observed value of the test statistic is 0.1093.

The significance level of the test is:

<em>α</em> = 0.05

The <em>p</em>-value of the test is larger than the significance level of the test.

<em>p</em>-value = 0.1093 > <em>α</em> = 0.05

The null hypothesis will not be rejected.

Concluding that there is not enough evidence to support the claim.

Thus, the correct option is:

"If the null hypothesis is true, then the probability of getting a test statistic that is as or more extreme than the calculated test statistic of 1.23 is 0.1093. This result is not surprising (or considered unusual) and could easily happen by chance"

8 0
3 years ago
The Democratic Party and the Republican Party disagree on social issues like gun control and immigration. They also disagree on
Zolol [24]
A. Strict gun control laws, more money allocated for welfare programs, and more lenient immigration laws.
8 0
3 years ago
Read 2 more answers
ASAP<br> -WILL MARK BRIANIST
dmitriy555 [2]

Answer:

whats the question

Step-by-step explanation:

??? i´ll help ???∞

                       ω

5 0
2 years ago
Read 2 more answers
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