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vfiekz [6]
3 years ago
9

31) Find the area of a sector of a circle with a

Mathematics
1 answer:
katrin [286]3 years ago
3 0

Answer C 52.3 cm2

Step-by-step explanation:

I say this because When using the A=r2 x a / 2 you plug in the numbers and het the sector area.

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20 points for u if u teach me how to do this and answer the questions for me
ivann1987 [24]
First write down the formula which is: y=mx+b
M is the slope and B is the y-intercept
The slope is rise/run, so if your slope is 2 then, 2 is your rise and 1 is your run
In order to find the y intercept you have to plot the points given in your question and and move your rise down and moving the run to the left until you find your y-intercept
Once you find the y-intercept, just plug in your slope and y-intercept
8 0
3 years ago
How are units of length and capacity similar in the metric system
fiasKO [112]
In the metric system, each of the common kinds of measure -- length, weight, capacity -- has one basic unit of measure. To measure smaller amounts, divide the basic unit into parts of ten, a hundred, or a thousand, and so on. To measure larger amounts, multiply the basic unit by ten, a hundred, or a thousand, and so on.
Length:
1 kilometer (km) = 1000 meters (m)
1 centimeter (cm) = .01 meter (m)
1 millimeter (mm) = .001 meter (m)
Weight:
1 kilogram (kg) = 1000 grams (g)
1 milligram (mg) = .001 gram (g)
Capacity:
1 milliliter = .001 liter (l)
8 0
3 years ago
( 5x 2nd power + 2 ) - ( -4x 2nd power + 7 ) + ( - 3x 2nd power - 5 ) =
insens350 [35]

Answer:

C

Step-by-step explanation:

5x 2nd power -(-4x 2nd power) makes it a positive which is 9x 2nd power then 9x 2nd power +(-3x 2nd power) which + and - make it 9x 2nd power-3x 2nd power which equals 6x 2nd power. The only answer choice with 6x 2nd power is C.

3 0
3 years ago
Express the number 78.263 using ones, tenths, and thousandths.
ira [324]

The number 78.263 using ones, tenths, and thousandths means

  • 8 = ones
  • 2 = tenth
  • 3 = thousandths

<h3>Place value</h3>

This is the value of each digits based on its position in a number.

It is divided into whole number part and fractional part.

Whole number part:

  • Hundred thousand
  • Ten thousand
  • Thousand
  • Hundred
  • Tens
  • Ones

Fractional part:

  • Tenths
  • Hundredth
  • Thousandths
  • Ten thousandths
  • Hundred thousandths

78.263

  • 3 = thousandths
  • 6 = Hundredth
  • 2 = tenths
  • . = decimal point
  • 8 = Ones
  • 7 = tens

Learn more about place value:

brainly.com/question/2041524

#SPJ1

7 0
2 years ago
Solve the equation. 36^6x-1 = 6^5x
amid [387]
X=2/7 or x=0.285714 repeating
6 0
3 years ago
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