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Serhud [2]
3 years ago
6

20+3×6= ?? Do you multiply first or add first?

Mathematics
1 answer:
Sonja [21]3 years ago
7 0

Answer: You should multiply first.

Step-by-step explanation:

Please- Parenthesis

Excuse- Exponent

My- Multiply

Dear-Divide

Aunt- Addition

Sally-Subtraction

Hopes this helps you should now know what order to use when solving linear expressions or any problem.

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This should be easy for you <br> Please help me
Alik [6]

Explanation:

a. The line joining the midpoints of the parallel bases is perpendicular to both of them. It is the line of symmetry for the trapezoid. This means the angles and sides on one side of that line of symmetry are congruent to the corresponding angles and sides on the other side of the line. The diagonals are the same length.

__

b. We observe that adjacent pairs of points have the same x-coordinate, so are on vertical lines, which have undefined slope. KN is a segment of the line x=1; LM is a segment of the line x=3. If the trapezoid is isosceles, the midpoints of these segments will be on a horizontal line. The midpoint of KN is at y=(3-2)/2 = 1/2. The midpoint of LM is at y=(1+0)/2 = 1/2. These points are on the same horizontal line, so the trapezoid <em>is isosceles</em>.

__

c. We observed in part (b) that the parallel sides are KN and LM. The coordinate difference between K and L is (1, 3) -(3, 1) = (-2, 2). That is, segment KL is the hypotenuse of an isosceles right triangle with side lengths 2, so the lengths of KL and MN are both 2√2.

_____

For part (c), we used the shortcut that the hypotenuse of an isosceles right triangle is √2 times the leg length.

7 0
3 years ago
A pen drops from the top of a desk that is 4 feet tall. The distance from the pen to the ground can be modeled by the equation b
Tcecarenko [31]

Answer:

0.5 seconds

Step-by-step explanation:

On the ground, height is 0

-16t² + 4 = 0

16t² = 4

t² = 4/16

t² = ¼

t = ½

4 0
3 years ago
How many tiles would I need to by if each tile was 2ft by 2Ft and the square footage was 69X69
valina [46]
This is the formula you would use to calculate how many tiles you would need.

# of tiles you need = Total square footage ÷ square footage of each tile 


Total square footage: 69x69 = 4761 square feet
Square footage of each tile = 2x2 = 4 square feet

# of tiles you need =
4761 ÷ 4 = 1190.25 

You will need 1190.25 tiles.
3 0
3 years ago
Which shows a reflection of the triangle?
lora16 [44]
C, or the last photo, shows a reflection.
4 0
3 years ago
Read 2 more answers
What is the absolute value of -6?
qaws [65]

Answer:

6

Step-by-step explanation:

The absolute value of a non-negative number is the same number.

Example: The absolute value of 4 is 4.

If a number is negative, its absolute value is the same number, without the negative sign.

Example: The absolute value of -3 is 3.

6 0
3 years ago
Read 2 more answers
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