on six tests you earn scores 89,81,85,82,89 and 89. what is your grade to the nearest whole number, and which measure of central tendency should you choose

Answers

Answer 1

Answer: you should use the Mean or avg as the central tendency. why? because you want to find the avg of the 6 scores.

89 +81+85+ 82+ 89+ 89 = 515
515/ 6 = 85.833
or 86 when rounded to the nearest whole number

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The third term of an arithmetic sequence is 21, and the eighth term is 56. The first term is _____.
NOT JUST THE ANSWER!! NEED STEP BY STEP ANSWER.6(y+3)=24
In ΔABC, b = 69 cm, c = 59 cm and ∠A=72°. Find the area of ΔABC, to the nearest square centimeter.

Which of the following shows the correct steps to find the value of 16 to the power of 1 over 4?16 to the power of 1 over 4 equals 2 to the power of 4 to the power of 1 over 4 equals 2 to the power of 4 multiplied by 1 over 4 equals 2
16 to the power of 1 over 4 equals 4 to the power of 4 to the power of 1 over 4 equals 4 to the power of 4 multiplied by 1 over 4 equals 4
16 to the power of 1 over 4 equals 2 to the power of 8 to the power of 1 over 4 equals 8 to the power of 8 multiplied by 1 over 4 equals 4
16 to the power of 1 over 4 equals 8 to the power of 2 to the power of 1 over 4 equals 2 to the power of 2 multiplied by 1 over 4 equals 8

Answers

Answer:

Option A is correct.

Value of 16 to the power of 1 over 4 equals to the power of 4 to the power of 1 over 4 equals 2 to the power of 4 multiplies by 1 over 4 equal 2.

Step-by-step explanation:

To find the value of: 16 to the power of 1 over 4.

$16^{(1)/(4)}$

we can write 16 as:

$16 = 2 \cdot 2 \cdot 2 \cdot 2 = 2^4$

⇒ $(2^4)^{(1)/(4)}$

⇒ $(2)^{4 \cdot (1)/(4)}$ [∴ $(a^n)^m = a^(nm)$ ]

⇒2

Hence, the value of $16^{(1)/(4)}$ is, 2.

Therefore, the value of 16 to the power of 1 over 4 equals to the power of 4 to the power of 1 over 4 equals 2 to the power of 4 multiplies by 1 over 4 equal 2.

Ans. 16 to the power of 1 over 4 equals 4 to the power of 4 to the power of 1 over 4 equals 4 to the power of 4 multiplied by 1 over 4 equals 4

If x ¤ y = (x + y)² - (x - y)²
Then √5 ¤ √5 =

Answers

$x\ \diamond\ y=(x+y)^2-(x-y)^2=x^2+2xy+y^2-(x^2-2xy+y^2)\n\n=x^2+2xy+y^2-x^2+2xy-y^2=4xy\n\n\sqrt5\ \diamond\ \sqrt5=4\cdot\sqrt5\cdot\sqrt5=4\cdot5=20$

How to rewrite -7x + 5y = -3 in standard form

Answers

Answer:

7x - 5y = 3

Step-by-step explanation:

The Standard Form formula is Ax + By = C, however, technically A should not be negative, and since the original is already written in an usually accepted version of Standard Form, I would assume you would just want to multiply the entire equation by -1 making the A a positive number.

Seven less than a number is twenty (as an equation)

Answers

You're expression is correct if it's asking for a number that is less than 7. But if the problem is asking for some number less than seven as in seven less some number, then it's 7-n. For example: 4 less than 7 is 7-4.

Hope this helps!

Calculate the loss on selling 50 shares of stock originally bought a 13 3/4 force and sold at 12.

Answers

Purchase Stock Costs
50 x 13.75 = 687.50

Sold Stock Costs
50 x 12.00 = 600.00
-------------
Loss - 87.50

Write a simplified polynomial expression in standard form to represent the area of the rectangle below.A picture of a rectangle is shown with one side labeled as 5 x plus 2 and another side labeled as x minus 4.

5x2 + 18x − 2

5x2 + 13x + 2

5x2 − 18x − 8

5x2 + 13x + 8

Answers

Given:
Rectangle shape.
One side: 5x + 2
other side: x - 4

Area = length * width
Area = (5x+2)(x-4)
A = 5x(x-4) +2(x-4)
A = 5x² - 20x + 2x - 8
A = 5x² - 18x - 8

The polynomial expression that represents the area of the rectangle is: C. 5x² - 18x - 8