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3 years ago

Whats the answer-3 and 2 = what ?

Mathematics

2 answers:

vekshin13 years ago

8 0

Answer:

-1

Step-by-step explanation:

and probably means addition, so

think of it this way, you have 2 apples, then you eat three. Now you have -1 apples

Kitty [74]3 years ago

6 0

Answer:

-3+2=-1

Step-by-step explanation:

Depending on what the 'and' means, there are 2 answers from me. Either you mean +2 or -2.

Answer 1: -3+2=-1

Answer 2: -3-2=-5

Hope that helps.

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weeeeeb [17]

Answer:

B. Since P-value is greater than the significance level, we fail to reject the null hypothesis

Explanation:

Given Significance Level is 0.05 and the P-Value is 0.078

Since P-value greater than the significance level the best explanation is given by

Option B i.e.,

Since P-value is greater than the significance level, we fail to reject the null hypothesis

4 0

4 years ago

Plz guys cmonnnnn there's gonna be more. WILL GIVE BRAINLIEST

Brums [2.3K]

Answer:

$6.3 \le p \le 8.1$

The third reading must be between 6.3 and 8.1 inclusive.

Step-by-step explanation:

To find the average of three numbers, add the three numbers and divide by 3.

Let the third reading = p.

The average of the three readings is

$\dfrac{7.4 + 7.9 + p}{3}$

This average must be between 7.2 and 7.8 inclusive. "Inclusive" means that the values 7.2 and 7.8 are allowed. That means the average must be greater than or equal to 7.2 and less than or equal to 7.8. We can write this as the following inequality.

$7.2 \le \dfrac{7.4 + 7.9 + p}{3} \le 7.8$

Simplify the numerator.

$7.2 \le \dfrac{15.3 + p}{3} \le 7.8$

Multiply the three sides by 3.

$21.6 \le 15.3 + p \le 23.4$

Subtract 15.3 from the three sides.

$6.3 \le p \le 8.1$

Answer: The third reading must be between 6.3 and 8.1 inclusive.

7 0

3 years ago

Bryan is asked to write an inequality to represent the graph.

Fittoniya [83]

The error that Bryan has done in this inequality is that he included –14 in his solution set.

<h3>How to point out the mistake made</h3>

What Bryan has to do would be to write this inequality in such a way that the variable would appear on the left.

But the symbol that he has chosen does not move in this same direction as the graph.

The -14 should not be inclusive in the graph because it is not a part of the graph solution.

He used the wrong number in this inequality.

Read more on inequalities here:

brainly.com/question/24372553

#SPJ1

7 0

2 years ago

Last spring, the drama department at Greenwood High School had 10 student audition for the musical. This spring, there were 8 st

Brilliant_brown [7]

20% cuz 2/10 students dropout then 2/10=20%

5 0

3 years ago

For which k are the roots of k(x2+1)=x2+3x–3 real and distinct?

Ugo [173]

Answer:

The solution for k is the interval (-3.5,1.5)

Step-by-step explanation:

we have

$k(x^{2}+1)=x^{2}+3x-3$

$kx^{2}+k=x^{2}+3x-3$

$x^{2}-kx^{2}+3x-3-k=0$

$}[1-k]x^{2}+3x-(3+k)=0$

we know that

If the discriminant is greater than zero . then the quadratic equation has two real and distinct solutions

The discriminant is equal to

$D=b^{2}-4ac$

In this problem we have

a=(1-k)

b=3

c=-(3+k)

substitute

$D=3^{2}-4(1-k)(-3-k)\\ \\D=9-4(-3-k+3k+k^{2})\\ \\D=9+12+4k-12k-4k^{2}\\ \\D=21-8k-4k^{2}$

$21-8k-4k^{2} > 0$

solve the quadratic equation by graphing

The solution for k is the interval (-3.5,1.5)

see the attached figure

7 0

3 years ago