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4 years ago

9

Lauren scores on her math test are 93,91,98 100,95,92 and 96 what score could Lauren get on her next math test so that the mean

and the median will stay the same.Explain your answer

1 answer:

Bogdan [553]4 years ago

8 0

When you add the numbers together you get 665. Then you divide them by 7 you get 95. I think the answer is 95.

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Select the correct answer.

vampirchik [111]

C is when both are negative

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3 years ago

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What is 141.15 as a rational number

V125BC [204]

The answer is 14115/100.
The definition of a rational number is a number that can be divided by a integer.
So pi for example is an irrational number because it continuously goes on.
You can't divide pi accurate in a fraction.

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3 years ago

Which values will only have one zero??

Digiron [165]

If it has a single zero that means it has to be just touching the x-axis with its tip.

We know that if it has only one zero, the discriminant equals 0.

So,

$D=b^2-4ac=0\implies (-k)^2-4(1)(9)=0$

Solving for k,

$k=\pm\sqrt{36}=\boxed{\pm{6}}$ .

Hope this helps.

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4 years ago

What is the value of x?<br><br> x=___in.

Nata [24]

Answer:

its b

Step-by-step explanation:

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4 years ago

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Help me please with this question

lukranit [14]

Answer:

see explanation

Step-by-step explanation:

2B + 3C

= 2 $\left[\begin{array}{ccc}4&-5\\-2&1\\\end{array}\right]$ + 3 $\left[\begin{array}{ccc}1&-1\\-6&3\\\end{array}\right]$

Multiply each element in the matrices by the scalar quantity, that is

= $\left[\begin{array}{ccc}8&-10\\-4&2\\\end{array}\right]$ + $\left[\begin{array}{ccc}3&-3\\-18&9\\\end{array}\right]$

Add corresponding elements from each matrix

= $\left[\begin{array}{ccc}8+3&-10-3\\-4-18&2+9\\\end{array}\right]$

= $\left[\begin{array}{ccc}11&-13\\-22&11\\\end{array}\right]$

3 0

3 years ago