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4 years ago

Write using exponents. Work from left to right on the grid. x • x

1 answer:

8 0

Since we want to condense x•x , we would write it as x². Its pronounced x sqaured . I hope this answers uour question! Let me know if you still dont understand!

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what is the value of the discriminant of the quadratic equation -2x^2 -8x+8 and what does it value mean about the number about t

sweet-ann [11.9K]

Answer:

Step-by-step explanation:

It is been considered that Discriminant is calculated by the following formula:

D = b*b - 4 * a * c

In order to simplify the calculations we can divide all the numbers by 2 and we will have the same quadratic equation:

-x^2 -4x+4=0

and as usual quadratic equation is presented as the following:

ax^2 - bx + c = 0

so in our case a = -1; b = -4; c = 4;

Then D = -4*4 -4*(-1) * 4 = -16+16 = 0

I am not quite understanding the following phrase:

"and what does it value mean about the number about the number"

but if the question was in regards of the following number '-2x^2' so number ^2 is actually the value of power so 'x' is multiplied on it is own and this equation basically means the following:

-2x^2 = -2 * (x) * (x)

6 0

4 years ago

This table isn’t proportional but the question says it is

Nesterboy [21]

Its upside down so I don’t know

5 0

3 years ago

He is paid a commission of 9 percent of his first $6,000 in sales during the month and 14 percent on all sales over $6,000. What

Agata [3.3K]

Answer:

$1,956.80

Step-by-step explanation:

For amounts over $6000, the commission can be computed as ...

0.14s -300 . . . . . . for sales (s) ≥ 6000

So, for $16,120 in sales, the commission is ...

0.14×$16,120 -300 = $2,256.80 -300 = $1,956.80

The commission schedule suggests that for larger amounts, you divide the problem into two parts: calculate the commission on $6000, and separately calculate the commission on the amount over $6000.

0.14(s -6000) + 0.09(6000)

= 0.14s - 0.14·6000 +0.09·6000

= 0.14s -300 . . . . the formula used above for s ≥ 6000

6 0

3 years ago

O ZA Round your answer to the nearest hundredth. 8 с B ? 2 А

almond37 [142]

Answer:

75.96 Degrees

Step-by-step explanation:

Use the trigonometric functions of Sine Cosine and Tangent

(SOH CAH TOA)

The unknown angle is near the adjacent side of 2 and the opposite side of 8

Therefore you use the Tangent function

However, since it's the angle that needs to be found, you need to use Arc Tangent (The inverse operation)

Unknown Angle = ArcTan (8 / 2)

Unknown Angle = 75.96 Degrees

Note: ArcTan is just Tan to the power of -1

On my calculator I have to click shift then click the tan function to access this it may be different on yours

5 0

3 years ago

So this is Writing Expressions practice. 17 added to 15 An expression is: (answer)

Illusion [34]

Answer:

17+15=32.............

7 0

3 years ago