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siniylev [52]
3 years ago
9

80 POINTS AND BRAINLIEST!!!!!!

Mathematics
2 answers:
Akimi4 [234]3 years ago
4 0

Answer:

The first investment can be shown as T=500*1.5^2 which is 551.25$

The second investment can be shown as T=500*e^(.03*12*2) which is 1077.22$

So the second investment is better

fredd [130]3 years ago
3 0

Answer:

The first investment can be shown as T=500*1.05^2 which is $551.25

The second investment can be shown as T=500*e^(0.03*12*2) which is $1027.22

So the second investment is better

Step-by-step explanation:

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A badminton club has 330 members. 240 are adults and the rest are children. Two thirds of the children are boys and the rest are
Margaret [11]

Answer:

The number of boys last year will be 50 boys

Step-by-step explanation:

330 members with 240 adults

The number of children will be;

330-240 = 90

2/3 of 90 are boys

= 2/3 * 90 = 60 boys

Number of girls is 90-60 = 30

Ratio of adults:boys:girls

= 240:60:30

divide through by 30

= 8:2:1

b) A year ago, there were 200 adults but the ratio still remains same

Let the number of girls be x, the number of boys will be 2x

Thus, total number is 200 + x + 2x = 200 + 3x

Total ratio is 8 + 2 + 1 = 11

mathematically;

8/11 * (200 + 3x) = 200

8(200 + 3x) = 11(200)

1600 + 24x = 2200

24x = 2200-1600

24x = 600

x = 600/24

x = 25

So the number of boys will be 25 * 2 = 50

3 0
3 years ago
Doug entered a canoe race. He rowed 3 1/2 miles in 1/2 hour. What is his average speed in miles per hour ?
Alex787 [66]
3 1/2 miles = 7/2 miles
1/2 hours= 30 minutes
So,
In 30 mins, travelled 7/2 miles
In 1 min, travelled 7/2 ÷ 30= 7/2× 1/30 = (7×1)/(2×30) = 7/60 miles
In 60 mins, travelled (7×60)/60 miles = 420/60 miles = 7 miles.
Hence, the speed is 7 miles per hour.
5 0
3 years ago
Read 2 more answers
Simply (5a^2/3)(4a^3/2)
Lilit [14]
The answer for this would be 10a^5/3
3 0
3 years ago
"If &lt; A and then m&lt; A + m/B = 90°"<br> A. Complement Theorem<br> B. Definition of a Right Angle<br> C. Congruent Complemen
9966 [12]

If < A and then m< A + m/B = 90°, then D. Definition of Complementary Angles

<h3>What is a complementary angle?</h3>

When the sum of two angles is 90°, the angles are said to be complementary. In other words, if two angles add up to form a right angle, they are called complementary angles. The two angles are said to complement each other in this context.

Supplementary angles are two angles that add up to 180 degrees, whereas complementary angles are two angles that add up to 90 degrees.

An angle measuring 72 degrees has a complement of 18 degrees.

Therefore, based on the information given, the correct option is D.

Learn more about complementary angles on:

brainly.com/question/16281260

#SPJ1

8 0
1 year ago
I NEED HELP ASAP PLEASE NO LINKS!!!
Ludmilka [50]

Answer:

1/8

Step-by-step explanation:

I looked it up lol

8 0
3 years ago
Read 2 more answers
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