MATHEMATICS MIDDLE SCHOOL

Prove that's the decimal number 9.86 is a rational by finding its fractional form

Answers

Answer 1
Answer: 9.86 = 9.86/1 = (9.86 x 100) / (1 x 100) = 986/100, GCF of 986 and 100 is 2, (986/2) / (100/2) = 493/50  The fractional form of 9.86 is 943/50.

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What does the mode of this set of data represent?

Answers

It should be D because the mode is the value that occurs the most often. 

Does any one know how to do this

Answers

hope this helps you
angle ?= 41.8°
use pathagerium theorm (a2+b2=c2)

The price of an item yesterday was $120.Today the price fell to $78 find the percentage decrease

Answers

The answer is $120.00-$78.00=$42.00

Final answer:

To calculate the percentage decrease, subtract the final price from the initial price, divide this difference by the initial price, and multiply by 100.

Explanation:

The percentage decrease in price can be calculated by finding the difference between the initial price and the final price, dividing it by the initial price, and then multiplying by 100. In this case, the initial price was $120 and the final price was $78. So, the difference is $120 - $78 = $42.

Next, divide the difference by the initial price: $42 / $120 = 0.35.

Multiply the result by 100 to find the percentage decrease: 0.35 * 100 = 35%.

Learn more about Calculating Percentage Decrease here:

brainly.com/question/32873323

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What is the slope of the graph of 4x-8y=11?

Answers

in the fomr
ax+by=c
-a/b=slope

4x-8y=11
a=1
b=-8
slope=-4/-8=4/8=1/2

Which is greater 6,200 ft or 1 mi 900 ft?

Answers

1 mi and 900 ft,1 mile = 5280 ft
Well there is one mile in 5280, so that plus 900 is 6,180. So 6,200 is greater.

paige has a garden in the shape of a circle. The radius of the garden is 4 feet. In the center, you place a birdbath with a radius of 1 foot. What is the area left for planting around the bath? Use 3.14 to approximate pi. please help thanks

Answers

ara=pir^2
plantingarea=gardenarea-birdbath
leave in terms of pi first

gardenradius=4
gardenarea=pi4^2=pi16=16pi

birdbathradius=1
birdbatharea=pi1^1=1pi=pi

plantingarea=garden-birdbath=16pi-pi=15pi

aproxpi=3.14
3.14*15=47.2 ft^2 for planting

Answer:

Step-by-step explanation:

its 47.1 ft^2
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