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lisabon 2012 [21]
3 years ago
13

Please help and NO LINKS I WILL REPORT YOU IF ITS A LINK

Mathematics
2 answers:
Aleksandr [31]3 years ago
7 0
EMI computes the means and variance for the population data set 87 46
Paladinen [302]3 years ago
6 0

Answer: Choice C) Emi evaluated (46-78)^2 as -(32)^2

Explanation:

The "46-78" is inside the parenthesis, so the result must also stay in the parenthesis. This means (46-78)^2 would become (-32)^2. The negative must be inside the parenthesis as well. Squaring the "-32" leads to a positive result, so every item being added is positive after the squaring operations are applied.

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Angela bought a bookmark in the shape of an arrow as shown below. The base and height of the triangle are both 3 inches.
Lina20 [59]

The area of a 2D form is the amount of space within its perimeter. The area of the arrow is 11.25 in².

<h3>What is an area?</h3>

The area of a 2D form is the amount of space within its perimeter. It is measured in square units such as cm2, m2, and so on. To find the area of a square formula or another quadrilateral, multiply its length by its width.

For the given problem, the image is given below.

The area of the arrow is,

Area =  Area of rectangle + Area of triangle

        = (1.5 in × 4.5 in) + (0.5×3×3)

        = 6.75 in² + 4.5 in²

        = 11.25 in²

Hence, the area of the arrow is 11.25 in².

Learn more about the Area:

brainly.com/question/1631786

#SPJ1

7 0
2 years ago
Simplify the expression by combining like terms. 16+8a−3a+6b−9
Svetradugi [14.3K]
7+5a+6b is the answer because 16-9 is 7 and 8-3 is 5.
4 0
3 years ago
Read 2 more answers
Two angles with measures (6x + 60) and (90) are supplementary. What is the value of x?
marshall27 [118]
Supplementary angles add up to 180, so 
6x+60+90 = 180 and solve for x
6x= 30
x=5
5 0
3 years ago
Read 2 more answers
Add or subtract. (3/x-2)+(4/x+5)
Alex787 [66]
The answer is 7x+7/x^2+3x-10
3 0
2 years ago
If a polynomial function f(x) has roots 3 and square root of 7 what must also be a root of f(x)?
yuradex [85]
Whenever you have a root of sqrt #, you must have the matching - (or positive).
This is because when you take a square root you get two solutions a positive and a negative.
The answer is LETTER A
6 0
3 years ago
Read 2 more answers
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