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aliina [53]
3 years ago
6

EXPERT HELP I'LL GIVE BRAINLIEST:

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
5 0

Answer:

990, C

Step-by-step explanation:

The formula for the surface area of the bottom cushion is

A = 2wl + 2lh + 2hw (w is width, l is length, h is height)

w = 18, l = 21, h = 3

A = 2(18)(21) + 2(21)(3) + 2(3)(18)

A = 2(378) + 2(63) + 2(54)

A = 756 + 126 + 108

A = 990 (C)

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Regina receive a score of 39 out of 52 on a quiz. What percentage did she earn?
Verdich [7]

Answer:

78%

Convert fraction (ratio) 39 / 50 Answer: 78%

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3 years ago
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400 reduced by 3 times my age is 163
Blababa [14]
400 - 3x = 163

Add 3x to both sides.

400 = 163 + 3x

Subtract 163 to both sides.

237 = 3x

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3 years ago
What is the order of rotational symmetry for a rhombus?
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3 years ago
Which number sentence is not true?
melomori [17]

Answer:

D

Step-by-step explanation:

The absolute value of a number is the actual distance of the number from zero. So, it is always a positive number. No negative value.

A) I -4.5I = 4.5    TRUE

B) I 0I  < I -45I   TRUE  

Reason: 0 < 45

C) I 45 I > 0         TRUE

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5 0
2 years ago
CHECK MY ANSWERS SOMEONE
Galina-37 [17]

Option A is correct.

Step-by-step explanation:

We need ti identify the radius of circle.

The radius of circle is a length of the line from center of the circle to anywhere on the edge of circle. It is also shown in the figure attached.

From the given options, only FE is the line that goes from center of circle to the edge of circle. So, FE is the radius of the circle.

So, Option A is correct.

Keyword: Radius of circle

Learn more about Radius of circle at:

  • brainly.com/question/13096001
  • brainly.com/question/1952668
  • brainly.com/question/3055705

#learnwithBrainly

7 0
3 years ago
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