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2 years ago

I will give brainliest<3

Mathematics

2 answers:

sladkih [1.3K]2 years ago

7 0

Answer:

the second one to the right or

-1*2*-3*4*-5

Step-by-step explanation:

Becuase the amount of negatives are odd so it’ll give you a negative, if the amount of negatives are ven, it’ll give you a positive, no matter how many positive numbers there are, it won’t change anything at all since positive *positive will give you positive and positive*negative will give you negative so a positive times any type of number, the sign will stay the same

JulijaS [17]2 years ago

7 0

Answer:

................ -1×2×-3×4×-5

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Natalka [10]

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4 0

3 years ago

Read 2 more answers

Suppose that in a random selection of 100 colored candies, 24% of them are blue. The candy company claims that the percentage

LuckyWell [14K]

Answer:

We conclude that the percentage of blue candies is equal to 23% at 0.01 significance level.

Step-by-step explanation:

We are given that in a random selection of 100 colored candies, 24% of them are blue.

The candy company claims that the percentage of blue candies is equal to 23%.

Let p = percentage of blue candies.

So, Null Hypothesis, $H_0$ : p = 23% {means that the percentage of blue candies is equal to 23%}

Alternate Hypothesis, $H_A$ : p $\neq$ 23% {means that the percentage of blue candies is different from 23%}

The test statistics that would be used here One-sample z proportion test statistics;

T.S. = $\frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n}} }$ ~ N(0,1)

where, $\hat p$ = sample proportion of blue colored candies = 24%

n = sample of colored candies = 100

So, test statistics = $\frac{0.24-0.23}{\sqrt{\frac{0.24(1-0.24)}{100}} }$

= 0.234

The value of z test statistics is 0.234.

Now, at 0.01 significance level the z table gives critical values of -2.5758 and 2.5758 for two-tailed test.

Since our test statistics lies within the range of critical values of z, so we have insufficient evidence to reject our null hypothesis as it will not fall in the rejection region due to which we fail to reject our null hypothesis.

Therefore, we conclude that the percentage of blue candies is equal to 23%.

6 0

3 years ago

What's the answer to 4n - 9 = -9

aksik [14]

Hello!

You solve this algebraically

4n - 9 = -9

Add 9 to both sides

4n = 0

Divide both sides by 4

n = 0

The answer is 0

Hope this helps!

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3 years ago

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If the orientation of two shapes is not the same, which transformation(s) should you use to show they are congruent? Why?

Aleksandr-060686 [28]

Answer:

The answer is below

Step-by-step explanation:

Transformation s the movement of a point from its initial location to a new location. If an object is transformed, the all its points are also transformed. Types of transformation are rotation, reflection, translation and dilation.

Two shapes are congruet if they have the same shape and size, two objects are congruent if they can be moved without changing their shape or size. Congruent transformations are transformation that create congruent objects. The three types are:

Translation: sliding an object either up, down, left or right.
Reflection: Flipping an object over a line
Rotation: turning an object about a point

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3 years ago

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In the standard (x, y) coordinate plane, what is the distance, in coordinate units, between (-3, -2) and (5, 5)?

Sav [38]

Answer:

10.630

Step-by-step explanation:

$\sqrt(x_{2} -x_{1})^{2} + (y_{2} -y_{1})^{2}$