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tigry1 [53]
3 years ago
15

Put x>-10 and x<1 on a number line

Mathematics
2 answers:
DerKrebs [107]3 years ago
3 0

Answer:

Put an open dot on -10 and an open dot on 1 and draw a line between them

Step-by-step explanation:

astraxan [27]3 years ago
3 0

Answer:

x>-10+x<1

Step-by-step explanation:

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What is the tangent ratio of KJL? (Question and answers provided in picture.)
Simora [160]

Answer:

Option (1)

Step-by-step explanation:

The given triangle JKL is an equilateral triangle.

Therefore, all three sides of this triangle will be equal in measure.

Side JK = JL = KL = 48 units

Perpendicular LM drawn to the base JK bisects the base in two equal parts JM and MK.

By applying tangent rule in ΔJML,

tan(∠KJL) = \frac{\text{Opposite side}}{\text{Adjacent side}}

                = \frac{\text{LM}}{\text{JM}}

                = \frac{\text{LM}}{24}

Since, Sin(K) = \frac{\text{Opposite side}}{\text{Hypotenuse}}

Sin(60)° = \frac{\text{LM}}{48}

\frac{\sqrt{3}}{2}=\frac{\text{LM}}{48}

LM = 24√3

Now, tan(∠KJL) = \frac{\text{LM}}{24}

                          = \frac{24\sqrt{3} }{24}

Therefore, Option (1) will be the answer.

7 0
3 years ago
In a study of cell phone usage and brain hemispheric​ dominance, an Internet survey was​ e-mailed to 6965 subjects randomly sele
vladimir1956 [14]

The hypothesis test shows that we reject the null hypothesis and there is sufficient evidence to support the claim that the return rate is less than 20%

<h3>What is the claim that the return rate is less than 20% by using a statistical hypothesis method?</h3>

The claim that the return rate is less than 20% is p < 0.2. From the given information, we can compute our null hypothesis and alternative hypothesis as:

\mathbf{H_o :p =0.2}

\mathbf{H_i:p < 0.2}

Given that:
Sample size (n) = 6965

Sample proportion \mathbf{\hat p = \dfrac{x}{n} = \dfrac{1302}{6965} \sim0.1869}

The test statistics for this data can be computed as:

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

\mathbf{z = \dfrac{0.1869 -0.2}{\sqrt{\dfrac{0.2(1-0.2)}{6965}}}}

\mathbf{z = \dfrac{-0.0131}{0.0047929}}

z = -2.73

From the hypothesis testing, since the p < alternative hypothesis, then our test is a left-tailed test(one-tailed.

Hence, the p-value for the test statistics can be computed as:

P-value = P(Z ≤ z)

P-value = P(Z ≤ - 2.73)

By using the Excel function =NORMDIST (-2.73)

P-value = 0.00317

P-value ≅ 0.003

Therefore, we can conclude that since P-value is less than the significance level at ∝ = 0.01, we reject the null hypothesis and there is sufficient evidence to support the claim that the return rate is less than 20%

Learn more about hypothesis testing here:

brainly.com/question/15980493

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3 0
2 years ago
I need help please and thank you
Art [367]

Answer:

 $86.55

Step-by-step explanation:

8.5% x 95 = 8.455

95 - 8.455 = 86.545    =    $86.55

8 0
3 years ago
Antonio finds a pair of skis that cost $350 before tax. Sales tax is 6%. What is the total cost Antonio will have to pay for the
Ksju [112]

Answer:

$371

Step-by-step explanation:


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3 years ago
HOW DO U FIND <img src="https://tex.z-dn.net/?f=3X-4%3D12Y-3" id="TexFormula1" title="3X-4=12Y-3" alt="3X-4=12Y-3" align="absmid
rewona [7]
The answer is 1 please give brainliest answer! If you do I’ll show you the most amazing app ever
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