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Margaret [11]
3 years ago
14

Math question need help.

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
5 0
Me too ig we both gotta look for it
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Find the probability of this event. Enter the answer as a fraction in simplest form, as a decimal, and as a
True [87]
Answer:
1/5
0.2
20%

Please mark brainliest!
4 0
2 years ago
A circle has its center at the center of a square with 26-inch sides. Using 3.14 for pi, find the area of the square not covered
AlladinOne [14]
For squrae
area=side²
perimiter=4(side)

for circle
area=pir²
circumference=2pir

side=diameter, diameter/2=radius=side/2


find area not covered
that is areasquare-areacircle
areasquare=26²=676 sqauare inches
areaciecle, diameter=side, 26/2=13, area=pi13²=169*3.14=530.66 square inches

areanotcovered=676-530.66=145.34 square inches not coverd


ratio of perimiter to circumferece
perimiter=4*26=104
circumference=2pir=2pi13=26pi=26*3.14=81.64
circumference to perimiter is 81.64/104=0.785

7 0
2 years ago
Read 2 more answers
A college parking lot is 140 ft long and 90 ft wide. The college wants to increase the area of the lot by 29% by adding strips o
Novay_Z [31]
The initial dimenssions of the park lot are:

length: 140 ft
width: 90 ft

initial area: 140 * 90 = 12,600 ft^2

Area increased 29% = 12,600 * 1.29 = 16,254 ft^2

width of the strips: x

New length: 140 + x

New width: 90 + x

New area: (140+x)(90+x) = 16,254

Solution of the equation:

12600 + 230x + x^2 = 16254

=> x^2 + 230x - 3654 = 0

Use the quadratic formula.

x = {-230 +/- √[ 230^2 - 4*1*(-3654) ]} / 2 =

x = 14.92

The other solution is negative so it is discarded.

Answer: 15 ft


 
5 0
3 years ago
. The price of a pair of jeans was reduced from $60 to $48. What was the percent of decrease?
Neko [114]
I Believe it is 80% but I am not sure
5 0
3 years ago
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Pls help im talkin 25 here
leva [86]

Answer: i do know girl

5 0
3 years ago
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