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stiks02 [169]
3 years ago
10

If m=3 and n=-4 calculate the value of mn +n²​

Mathematics
2 answers:
jonny [76]3 years ago
6 0

Answer:

28

Step-by-step explanation:

-4×-4=16

3×4=12

12+16=28

IRINA_888 [86]3 years ago
5 0
I think the answer is 4
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Please help, would be greatful :)
Elena L [17]

Step-by-step explanation:

the answer................

7 0
3 years ago
Hi, can you help me answer this question please, thank you!
n200080 [17]

As your testing H0:p=0.79, then you have a two-tailed test.

The p-value at two-tailed test is given by:

\begin{gathered} p=P(Z\leq-z)+P(Z\ge z) \\ p=P(Z\leq-z)+(1-P(Z\leq z) \\ p=2P(Z\leq-z) \\ 0.79=2P(Z\leq-z) \\ P(Z\leq-z)=\frac{0.79}{2} \\ P(Z\leq-z)=0.395 \end{gathered}

Then, you need to check into the standard normal cumulative table to find at which -z you do have a probability of 0.395. Thus:

As you can see in the picture at z=-0.26 you have a P(Z<=-z)=0.3974

And at z=-0.27 you have a P(Z<=-z)=0.3936.

The average of these values is:

\frac{0.3974+0.3936}{2}=0.3955

Then, you have a probability of 0.395 at a z of:

\frac{-0.26+(-0.27)}{2}=-0.265

Then -z=-0.27, thus z=0.27

5 0
1 year ago
Anyone know the answer?
Agata [3.3K]

Answer:

the answer to those question is 2

7 0
4 years ago
DUE TODAY!!! PLEASE HELP!!! Question 5 Multiple Choice Worth 4 points)
steposvetlana [31]

Answer:

-6

Step-by-step explanation:

-\sqrt{36} =-\sqrt{ 6^{2}}  =-6

5 0
3 years ago
Which function has two x-intercepts, one at (0,0) and one at (4,0)?
Tcecarenko [31]

Answer:

f(x)=x(x-4)

Step-by-step explanation:

Given: Function has two x-intercepts, one at (0,0) and one at (4,0)

To choose: the correct option

Solution:

x-intercepts of are the points whose x-coordinate is 0.

Consider f(x)=x(x-4)

Put x=0

f(0)=0(0-4)=0

Put x=4

f(4)=4(4-4)=0

So, the function f(x)=x(x-4) has two x-intercepts, one at (0,0) and one at (4,0).

6 0
3 years ago
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