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Alinara [238K]
3 years ago
13

X+3y=6 and 4x-2y=32 Solve each system of equations

Mathematics
2 answers:
Nesterboy [21]3 years ago
6 0

Answer:

x = 54/7 and y = -4/7

Step-by-step explanation:

x+3y=6

4x-2y=32

= 4 ( x+3y=6 )

= 4x +12y = 24 - 4x -2y = 32

=14y = -8

y = - 4/7

X + 3(-4/7) = 6

x+-12/7 = 6

x = 54/7

Setler79 [48]3 years ago
3 0

Answer:

x = 54/7 y= -4/7

Step-by-step explanation:

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nasty-shy [4]

Answer:

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3 years ago
Riya took a train from his hometown to Mumbai . The journey lasted for 3 hrs 35 minutes . The train reached the station at 9:15
zhenek [66]

Answer: 5:40 am

Step-by-step explanation:

The train reached the station at 9:15 am after having travelled for 3 hrs 35 minutes.

The time the train departed from Riya's hometown was the time it arrived in Mumbai station less the time taken to travel:

= 9:15 - 3:35

First deduct the 3 hours:

= 9:15 - 3

= 6 : 15 am

Remove the 35 minutes by first removing the 15 minutes

= 6:15 - 15

= 6:00 am

Then remove the rest of the 35 minutes which is 20 minutes:

= 6:00 - 20 minutes

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7 0
3 years ago
HELP!! I need it as fast as possible!! Whoever answers it first and is right gets Brainliest and 100 points!!! Help as soon as p
olga55 [171]

Investment of $3000 at 16% simple interest for 2 years

Investment of $3000 at 5% simple interest for 20 years

Investment of $1000 at 16% simple interest for 20 years

Solution:

(1) Investment of $3000 at 5% simple interest for 20 years

$\text{Simple interest}=\frac{PRT}{100}

                        $=\frac{3000\times5\times20}{100}

                        $=3000

Simple interest 1 = $3000

(2) Investment of $3000 at 16% simple interest for 2 years

$\text{Simple interest}=\frac{PRT}{100}

                        $=\frac{3000\times16\times2}{100}

                        $=960

Simple interest 1 = $960

(3) Investment of $1000 at 16% simple interest for 20 years

$\text{Simple interest}=\frac{PRT}{100}

                        $=\frac{1000\times16\times20}{100}

                        $=3200

Simple interest 1 = $3200

Order from least interest amount to greatest interest amount:

$960 < $3000 < $3200

Investment of $3000 at 16% simple interest for 2 years

Investment of $3000 at 5% simple interest for 20 years

Investment of $1000 at 16% simple interest for 20 years

8 0
3 years ago
A stack of boards is 24 inches high.The thickness of each board is 3/8 inch. How many boards are in the stack?
guapka [62]

Answer:

64 boards:)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find the surface area of cube whose volume is 64 cm cube
Oksana_A [137]
V = L³ = 64 => L = ∛64 = 4 cm

A = L² = 4² = 16 cm²

At = 16 x 6 = 96 cm²
3 0
3 years ago
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