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Thepotemich [5.8K]
3 years ago
7

Use the distributive property to evaluate the expression

Mathematics
1 answer:
mixas84 [53]3 years ago
8 0
44-20
-6-+20
-8a-8b 
10b+40
-2p-14
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Mrs. Carson pays Kristen $48 for babysitting six hours and mr.vanquez pays her $67.50 for babysitting nine hours who pays Kriste
brilliants [131]
Mrs Carson gives the better deal, this is becuase when i set up an inequality 48/6 and 67.50/9, i divided 48 by 2 then added 24 to 48 so i could get them both so i can see what they give, so Mrs Carson gives 72 dollars every 9 hours and thats better than 67.50.
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What's the best approximation for the area of a semi circle with a diameter of 11.8 feet?
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3 years ago
Question 11 of 11 -
alex41 [277]

Answer:

AA similarity

Step-by-step explanation:

Your question is not well presented.

See attachment

Given

Triangles ABC and DBE

Required

Which postulate supports the similarities of ABC and DBE

At the first transformation (180 degrees rotation) both triangles maintain SSS and AAA relationships. i.e <em>Side-Side-Side</em> and <em>Angle-Angle-Angle</em>

This is so because rotations do not alter the side lengths; neither does it alter the angles.

When the second transformation (dilation) takes place, the lengths of both triangles ABC and DBE become different because dilation alters side lengths.

However, angle measurements remain unaltered.

<em>Hence, AAA similarity answers the question</em>

6 0
3 years ago
Help please!! asap!!
olga55 [171]

Answer:

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7 0
3 years ago
A polygon is regular if each of its sides has the same length. Find the perimeter of the regular polygon.
OleMash [197]

Answer: 6units

Step-by-step explanation:

Since it is a regular polygon, and it has 3 equal sides it means the polygon is a quadrilateral.

From the diagram,

5 - 2x = -4x + 9 ( side of quadrilateral )

Solving for x in the equation

-2x + 4x = 9 - 5 ( collection of like terms in simple linear equation )

2x = 4

Divide through by the coefficient of x which is 2

x = 2.

Therefore, the perimeter of the polygon which equals to the total length of the polygon is

Perimeter = 2 + 2 + 2

= 6units

7 0
3 years ago
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