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3 years ago

7

Name the property demonstrated by the following equation: (5 + 4) + 6 = 5 + (4 + 6).

2 answers:

ratelena [41]3 years ago

8 0

The answer for that is D

gizmo_the_mogwai [7]3 years ago

5 0

The associative property states that you can add or multiply and get the same answer, despite how the numbers are grouped (or where you place the parenthesis).

So, I would go with A. Associative Property of Addition. B makes no sense since there is no multiplication used here.

I hope this is helpful! :D

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I need help on this 6th grade math problem

vivado [14]

Answer: x<17.5

Step-by-step explanation:

Subtract from both sides: x+2.5-2.5<20-2.5

Simplify the arithmetic: x<20-2.5

Simplify the arithmetic: x<17.5

Hope it helps!

4 0

1 year ago

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If ABC ~ DEF and the scale factor from ABC to DEF is 2, what are the lengths of , , and , respectively?

Nostrana [21]

Answer:

4,8,12 hope that helps heeeeheheʘ‿ʘ

6 0

3 years ago

A cross-shaped pattern is made by arranging four identical rectangles around the side of a square, as shown in the diagram.

const2013 [10]

Answer:

88 cm

Step-by-step explanation:

The side of the square = 6 cm, so the shorter side of each rectangle = 6 cms.

The area of each rectangle = 36 * 1 1/3

= 36 * 4/3 = 48 cm^2

So the longer side of each rectangle = 48 / 6 = 8 cms

Therefore, the perimeter of the whole figure

= 4( shorter sides ) + 8(longer sides)

= 4*6 + 8*8

= 24 + 64

= 88 cm (answer)

7 0

2 years ago

Jessie has exactly 6 coins in her pocket. They are worth 28 cents in all. Draw

Pepsi [2]

Answer:

OOOOOO <---- the coins in her pocket

Step-by-step explanation:

5 0

2 years ago

For #8 and #9, fill in the missing information for the following trapezoids. SHOW YOUR WORK to solve for the missing value.

garik1379 [7]

Applying the equation for the area of the trapezoid, it is found that the height is of 10 cm.

The <em>area of a trapezoid</em> is <u>half the multiplication of the sum of the bases and the height</u>, that is:

$A = \frac{h}{2}(b_1 + b_2)$

For this problem, we have that: $A = 205, b_1 = 20, b_2 = 21$ , hence:

$A = \frac{h}{2}(b_1 + b_2)$

$205 = \frac{h}{2}(20 + 21)$

$20.5h = 205$

$h = \frac{205}{20.5}$

$h = 10$

The height is of 10 cm.

To learn more about area of a trapezoid, brainly.com/question/9918120

6 0

2 years ago

Read 2 more answers