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vlabodo [156]
3 years ago
5

Which expressions is equivalent to 4(x+1)-2(x-2)

Mathematics
2 answers:
Y_Kistochka [10]3 years ago
8 0
(4x+4)-(2x-4) would be an equivalent expression.
aniked [119]3 years ago
6 0
(4x+4)-(2x-4) or
(4x+4)+(-2x+4) or
2x+8
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Claim: A majority of adults would erase all of their personal information online if they could. A software firm survey of 576 ra
AnnyKZ [126]

A) The original claim in symbolic form is; p > 0.50

B) The Null Hypothesis is;

H₀: p = 0.50

Alternative Hypothesis is;

H_a: p > 0.50

<h3>How to identify the hypothesis claim?</h3>

We are given;

Sample size; n = 576

Sample Proportion; p^ = 59% = 0.59

A) The percentage of 59% represents the proportion of a sample and thus we are making a claim about the population proportion p in the hypotheses.

We claim "most of the adults", which indicates more than 50% or 0.50. Thus, the claim in symbolic form is; p > 0.50

B) The Null Hypothesis is;

H₀: p = 0.50

Alternative Hypothesis is;

H_a: p > 0.50

Read more about hypothesis claim at; brainly.com/question/15980493

#SPJ1

4 0
1 year ago
Factor By Grouping x^2 -30 +225-y^2
SIZIF [17.4K]
The answer is 2x-6 I think
3 0
3 years ago
HELP IM FAILING MATH OOOOFFFF
meriva

The point-slope form:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (-4,\ -1) and \left(\dfrac{1}{2},\ 3\right).

Substitute:

m=\dfrac{3-(-1)}{\frac{1}{2}-(-4)}=\dfrac{4}{4\frac{1}{2}}=\dfrac{4}{\frac{9}{2}}=4\cdot\dfrac{2}{9}=\dfrac{8}{9}\\\\y-(-1)=\dfrac{8}{9}(x-(-4))\\\\y+1=\dfrac{8}{9}(x+4)

The standard form: Ax + By = C

y+1=\dfrac{8}{9}(x+4)\qquad\text{multiply both sides by 9}\\\\9y+9=8(x+4)\qquad\text{use distributive property}\\\\9y+9=8x+32\qquad\text{subtract 9 from both sides}\\\\9y=8x+23\qquad\text{subtract 8x from both sides}\\\\-8x+9y=23\qquad\text{change the signs}\\\\\boxed{8x-9y=23}

4 0
3 years ago
Evaluate x+y when x=13 and y=−74. Write your answer as a fractionin simplest form
Fofino [41]

<u>The value of the expression is -35.</u>

<u>Step-by-step explanation:</u>

<u>Consider the provided expression.</u>

<u>3x + y </u>

<u>We need to find the value of the expression for x=13 and y=−74 .</u>

<u>Substitute the value of x=13 and y=−74  in the above expression as shown:</u>

<u>3 (13) + (-74)</u>

<u>39 - 74 </u>

<u>-35</u>

<u> the value of the expression is -35.</u>

6 0
2 years ago
How much money invested at 7% compounded continuously for 6 years will yield $500?
dangina [55]

Answer:

<u>$328.52</u>

Step-by-step explanation:

let p = x, t = 6 years and r = 0.07. now the formula is x*e^0.42 = 500. e^0.42 is approx. 1.522. divide 500 by that to get about <u>$328.52</u>

8 0
2 years ago
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