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makvit [3.9K]
3 years ago
14

Need help with this please

Mathematics
1 answer:
Sav [38]3 years ago
4 0
Your going to have to use the distance formula for these questions which is the square root of (x sub 2 - x sub 1) + (y sub 2 - y sub 1). For number 1 your coordinates are (-5,5) and (1,-2). Substituting these values into the formula your answer for number 1 is 9.2.
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The perimeter of a square is 40 inches...Determine the area of the square ... A.) 160 square inches B) 10 square *inches C) 100
marysya [2.9K]
P=4s

s=p/4

a=s^2, using s found above

a=p^2/16, we were told that p=40 so

a=40^2/16

a=100 in^2
4 0
3 years ago
How can you use proportional reasoning to solve problems involving percent
Oksana_A [137]
Example A, Step 1: Write a comparing the percent to the ratio of part to whole. ex- ?/25 = 28/100 *Notice that 25 is a factor of 100* Step 2: Find the multiplication factor. ex- ?*4 = 28 and 25*4 = 100 *Since 25*4 = 100, find what number times 4 equals 28* Step 3: Find the numerator. ex- 7/25 = 28/100 *Since 4*7 = 28, 28% of 25 = 7 Example B, Step 1: Write the percent as a fraction. ex-35% of 60 = 35/100 of 60 Step 2: Multiply. ex- 35/100 of 60 = 35/100x60=2100/100=21 *Simplify* Example C, Step 1: Write the percent as a decimal. ex- 5% = 5/100 = 0.05 Step 2: Multiply. ex- 180 * 0.05 = 9, 5% of 180 is 9.
3 0
3 years ago
Is 2.5 closer to 0 or 5
Stolb23 [73]

Answer:

2.5 is closer to 0

Step-by-step explanation:

when using 2.5 you have to round down and if you round down you get 0 not 5.

4 0
3 years ago
Read 2 more answers
Can someone do this for me please?!
amm1812
<h3>What are the different parts of a circle? </h3>

The different parts of a circle are radius, diameter, chord, tangent, arc, centre, secant, sector. Write down the circle formulas. If “r” is the radius of the circle, then the formula for the area and the circumference of a circle are:

5 0
2 years ago
HELP PLEASE!! I'M CONFUSED.
tensa zangetsu [6.8K]

Answer:

so am i

Step-by-step explanation:

6 0
3 years ago
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