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aev [14]
3 years ago
13

Simplify if y<0.

2} }" alt="-\sqrt{9y^{2} }" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
elena55 [62]3 years ago
4 0

Answer:

-3y

Step-by-step explanation:

Whether y is smaller than 0 or not, the square root of y^2 is y, a positive quantity.

Thus, -√(9y²) = -3y

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Rose writes down all of her math quiz scores. Her math scores are 98,78,84, and 96. What is the mean of her math quiz scores?
KATRIN_1 [288]

Answer:

89

Step-by-step explanation:

Hi, there to find the mean

you need add the numbers and count how many numbers are there and divide

In this case 98+78+84+96= 356

Now we will count

there are 4 numbers

\frac{356}{4}= 89

Your mean will be 89

If you ever have trouble with mean remember this

Mean\frac{SumofDataPoints}{NumberofDataPoints }

well it is supposed to be:

Sum of Data Points/Number of Data Points

4 0
3 years ago
What is 3 radical 12
mrs_skeptik [129]

Answer:

6√3   or  10.39 to the nearest hundredth.

Step-by-step explanation:

3 radical 12

I assume you mean 3 * √12

this simplifies to

3 * √4 * √3

= 3*2*√3

= 6√3   or  10.39 to the nearest hundredth.

8 0
3 years ago
Which graph represents a linear function?
natta225 [31]

Answer:

First Graph Description

Step-by-step explanation:

A linear function shows as a straight line.

The first graph description describes a straight line.

The second, third, and fourth graph description says that either the line is curved, or that it is a parabola. A parabola is not linear.

A coordinate plane is shown with a line that starts to the left of the y-axis, passing through -1 comma 10, then curving right to pass through the y-axis 7, then curving down to pass through the x-axis at 2

A coordinate plane is shown with a parabola opening downward in an upside-down U shape. The base of the parabola sits at the origin and continues downward on both sides of the y-axis

A coordinate plane is shown. A wavy line begins along the x-axis and moves in intervals downward and back up, dipping down to y equals negative 1 and up to y equals 1.

Hope this helps.

5 0
3 years ago
Read 2 more answers
Use the equation below to find y, if m =6, x = 3, and b = 5.<br><br> y = mx + b
Troyanec [42]
The answer is y = 24
6 0
3 years ago
Enter the missing exponent.
konstantin123 [22]

Answer:

The missing exponent is 20.

Step-by-step explanation:

y^{29} / y^{20} = y^9

upper exponent minus lower exponent.

4 0
3 years ago
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