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Serjik [45]
3 years ago
15

Find 3/5 - 1/4 a 4/9 b 1/2 c 2 d 7/20

Mathematics
2 answers:
Lubov Fominskaja [6]3 years ago
7 0

Answer:

7/20

Step-by-step explanation:

Hope this helped!

Anastaziya [24]3 years ago
7 0
It is d because 12/20 - 5/20 is equal to 7/20
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What cryptographic method, first proposed in the mid-1980s, makes use of sloping curves instead of large prime numbers?
bearhunter [10]

Answer:

waffaafa

Step-by-step explanation:

awfafafafafaf

4 0
3 years ago
Madison and Ella are painting their bedroom walls pink. The clerk at the home store calculated that they would need two gallons
Elza [17]

Answer:

Madison and Ella do not have enough paint to cover the walls after they mix the red and white paint together.

Step-by-step explanation:

Volume of red paint = \frac{3}{8} gallon

Volume of white paint = 1\frac{5}{12} gallon=\frac{17}{12} gallon

Total volume of pink paint by mixing red and white :

\frac{3}{8} gallon+\frac{17}{12} gallon

=\frac{3\times 12+17\times 8}{8\times 12}=\frac{172}{96}=\frac{43}{24} gal

\frac{43}{24} gallon\approx 1.79 gallon

Volume of total paint required by them as calculated by clerk = 2 gallons

2 gallons>\frac{43}{24}

So, this means that Madison and Ella do not have enough paint to cover the walls after they mix the red and white paint together.

5 0
3 years ago
Express the complex number in trigonometric form. -3i
Maksim231197 [3]
Remember to use trig form the general equation is: r(cos(angle) + i sin(angle))
to find r, take √a^2 + b^2 to get 3 for the angle it would be undefined so thee argument would be π / 2. So your answer is 3(cos(π/2) + i sin(π/2))
8 0
3 years ago
Read 2 more answers
A jar contains 2 green marbles, 4 blue marbles, 3 yellow marbles, and 2 black marbles. A marble is chosen at random from the jar
inysia [295]

For the first marble would be: 2/11

For the second: 3/11

6 0
3 years ago
Leila has scored 33, 28, 24 and points in her three basketball games so far. How many points does she need to score in her next
zubka84 [21]
ANSWER:

24 points.

The amount of points Leila needs to score in her next game so that her average is 27 points per game is: 24 points.

STEP-BY-STEP EXPLANATION:

Let the amount of points Leila needs to score in her next game so that her average is 27 points per game = x

27 = total no. of points / total no. of games

27 = ( 33 + 28 + 24 + x ) / ( 3 + 1 )

27 = ( 85 + x ) / 4

27 × 4 = 85 + x

85 + x = 108

x = 108 - 85

x = 24
5 0
3 years ago
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