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mestny [16]
4 years ago
9

Correct answers only! 20 points and brainliest to the correct answer!

Mathematics
1 answer:
Irina18 [472]4 years ago
4 0

Answer:

3.2 cm

Step-by-step explanation:

side length is 2.3 cm

increase it by 140 percent

2.3 * 1.4 = 3.22

to one decimal place

3.2 cm

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Counselors at Rockport High School and Riverdale High School surveyed the graduating seniors to find out their post-high-school
siniylev [52]

The percentage shows that they were 28% more likely to come from Riverdale High school.

<h3>How to calculate the percentage?</h3>

From the information given, the percentage of those from Rockport will be:

= 25/(25 + 44) × 100.

= 25/69 × 100

= 36.23%

The percentage of those from Riverdale will be:

= 44/(25 + 44) × 100.

= 44/69 × 100

= 63.77%

Therefore, the difference will be:

= 63.77% - 36.23%

= 28% approximately.

Learn more about percentages on:

brainly.com/question/24304697

3 0
2 years ago
Which of the following is the product of the rational expressions shown
Alexus [3.1K]

Answer: x = 0; x=10

Step-by-step explanation:

\frac{x+2}{x-4} *\frac{3x}{x+4}\\ \\x+2(x+4) = x-4(3x)\\x^{2} +2x+ 4x + 8 = 3x^{2} -12x\\2x+4x+12x =3x^{2} - x^{2} \\20x= 2x^{2} \\10x = x^2\\x=0\\x=10

Hope this helps!

6 0
2 years ago
Maria plans to double the amount of time she spends walking per day each week.she starts , on week 1 , walking 5 minutes per day
alisha [4.7K]

Answer:

a) 160 minutes per day

b) Find the graph attached

c) on 10th week Maria would be walking  2560 minutes per day

Step-by-step explanation:

Week 1 - 5 minutes per day

Week 2 - 10 minutes per day

Week 3 - 20 minutes per day

Week 4 - 40 minutes per day

Week 5 - 80 minutes per day

Week 6 - 160 minutes per day

a) 160 minutes per day

b) Find the graph attached

c) on 10th week Maria would be walking  2560 minutes per day

5 0
3 years ago
If m&lt; DBG=58 and mDG =74 , find mGE
mestny [16]

Answer:

Option D: mGE = 190°

Step-by-step explanation:

From the property of angles of secant and tangent lines, we have:

DBG = (mGE - mDG)/2

(That is, the angle in point B is half the difference of the larger arc by the smaller arc defined by the lines)

So, we have that:

58 = (mGE - 74)/2

2*58 = mGE - 74

mGE = 116 + 74 = 190°

So we have that mGE is equal to 190°, correct option: D.

5 0
3 years ago
100 Freebie points!!! YW Nerds
blondinia [14]
Thanks for the points.
8 0
3 years ago
Read 2 more answers
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