I don't understand please help

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Answer 1

Answer:

u have to calcuate the outsides

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Simplify the expression: 3a + 4 + b + 2a +5 + b AnswerChoice A.5a+b B.6a+2b+9 C.7a+7b D.5a+ 2b + 9

Which algebraic expression has like terms?

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Answer:

The third one

Step-by-step explanation:

Answer:

The Third Choice

Step-by-step explanation:

i gotchu fam

PLEASE HELP I GIVE THANKS

Answers

It was translated -21 down the y axis i believe

The Navajo and Pueblo Indians create large, circular sand paintings as part of traditional healing ceremonies. How much more circumference does a sand painting with a 20-foot diameter have compared with one with a 5-foot diameter?

Answers

Approximately 47ft
Circumference= 2πr
r= d/2
r=10 r=2.5
Circumference= 63 Circumference=16
63-16=47

The odometer in Mr.Washington car does not work correctly. The odometer recorded 13.2 miles for his last trip to the hardware store, bit he knows the distance traveled is 15 miles. What is the percent error?

Answers

The value of percent error of the odometer is, 12%.

What is mean by Percentage?

A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.

We have to given that;

The odometer recorded 13.2 miles for his last trip to the hardware store.

But he knows the distance traveled is 15 miles.

We know that;

The percent error = (Measured value - Actual value) / actual value × 100

Here, The actual value = 15 mile

And, The measured value = 13.2 mile

So, The percent error is,

⇒ Percent error = |13.2 - 15| / 15 × 100

= 1.8/15 × 100

= 12%

Learn more about the percent visit:

brainly.com/question/24877689

#SPJ2

12 percent is the error.

A certain regular polygon has sides of length 10 cm; its apothem is 12.1 cm. The polygon’s area is 484 cm². How many sides does the polygon have?

You must show your work to receive credit.

Answers

Given:
Area of polygon = 484 cm²
apothem 12.1 cm
sides of length = 10 cm
no. of sides = x

Area of a regular polygon = 1/2 perimeter * apothem
484 cm² = 1/2 * (10cm * x) * 12.1cm
484 cm² = 6.05cm * 10cm * x
484 cm² = 60.5 cm² * x
484 cm² ÷ 60.5 cm² = x
8 = x

The polygon is an OCTAGON. It has 8 sides.

Perimeter = 10 cm * 8 sides = 80 cm

484cm² = 1/2 * 80cm * 12.1 cm
484cm² = 1/2 * 968 cm²
484 cm² = 484 cm²

virgil has 1/6 of a bday cake left over. he wants to share with 3 friends. what fraction of the original cake will each of the four people receive?

Answers

1/6 divided by 4 = 1/24
so each person would get 1/24 of that cake
(just wondering what would the flavor of the cake be??)

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Anyone please help me?

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