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Lostsunrise [7]
2 years ago
9

Is the figure a rectangle? Explain.

Mathematics
1 answer:
luda_lava [24]2 years ago
5 0

The correct option is b. No, it is not a rectangle because the sides of the parallelogram do not meet at right angles.

<h3>How to explain the information?</h3>

The figure is a parallelogram and one diagonal measure 28 units.

In this case, it is not a rectangle because the sides of the parallelogram do not meet at right angles.

Therefore, the correct option is B.

Learn more about rectangles on:

brainly.com/question/25292087

#SPJ1

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Kellogg is planning to market a new kind of cereal. However, before marketing this product, the company wants to find what perce
artcher [175]

Answer:

The predominant formula that will be used to solve the problem is,

CI=\hat p\pm z_{\alpha/2}\times\sqrt{\frac{\hat p(1-\hat p)}{n}}.

Step-by-step explanation:

Kellogg is planning to market a new kind of cereal and wants to determine the percentage of people will like it.

Kellogg will market the cereal if at least half of the people in the population will like it.

So, the company’s research department selected a random sample of 500 persons and asked them to taste it. Of these 500 persons, 280 said they liked it.

The hypothesis to test whether Kellogg will market the cereal is:

<em>H₀</em>: Kellogg will not market the cereal, i.e. <em>p</em> < 0.50.

<em>Hₐ</em>: Kellogg will market the cereal, i.e. <em>p</em> ≥ 0.50.

The decision rule:

A 95% confidence interval for single proportion can be used to draw conclusion about this test.

If the 95% confidence interval consists of the null value, i.e. <em>p</em> < 0.50, then the null hypothesis will not be rejected. But is the confidence interval does not consist of the null value then the null hypothesis will be rejected.

The formula to compute the 95% confidence interval for the proportion of all people who like this cereal is:

CI=\hat p\pm z_{\alpha/2}\times\sqrt{\frac{\hat p(1-\hat p)}{n}}

Here,

\hat p=\frac{X}{n} = sample proportion

z_{\alpha/2} = critical value of <em>z</em> for <em>α</em> = 0.05

Thus, the predominant formula that will be used to solve the problem is,

CI=\hat p\pm z_{\alpha/2}\times\sqrt{\frac{\hat p(1-\hat p)}{n}}.

4 0
3 years ago
Write a story problem to represent 3÷5=3/5
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3÷5=3/5
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3÷5=0,6
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What is the e intermediate step in the form (x+a)^2=b as a result of completing the square for the following equation? x^2+6x+19
igomit [66]
Answers of "a" is -66, 18 pls show how to get to the answer of "a"
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1 year ago
PLS HELP ME WITH 12 and the bottom one ASAP!! (SHOW WORK FOR BOTH!!) + LOTS OF POINTS!!!
alexandr1967 [171]
Well, since its isoceles triangle so two equal sides. its either 3 or 7. There is a theorem that states two sides added must be greater than the third. so if the third side is 3. it would be 3+3=6, less than 7, incorrect. therefore the correct side is 7. so the sides are 3, 7, 7. you can add them to confirm the theorem.
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What is the length of BC?<br>A. 9 units<br>B. 11 units<br>C. 15 units <br>D. 16 units​
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Answer:

15units

Step-by-step explanation:

BC is: 5x=5×3=15 units. so,Length of BC=15 units

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