All categories

3 years ago

1/3(12u-2) please help me solve

Mathematics

1 answer:

jeka943 years ago

8 0

Answer:

u = 1/6

Step-by-step explanation:

1 (12u - 2 )= 0

3×1 (12u-2) =0×3

12u -2 =0

12u = 2

12 12

u = 1

You might be interested in

Please Help

dybincka [34]

Answer:(b). 4I2-81

Step-by-step explanation:(2I+9)(2I-9)

=4I2-18I+18I-81

=4I2-81

3 0

3 years ago

Read 2 more answers

Which ordered pair is a solution to the system of linear equations 1/2x-3/4y=11/60 and 2/5x+1/6y=3/10

natka813 [3]

ANSWER

$( \frac{2}{3} , \frac{1}{5} )$

EXPLANATION

The first equation is

$\frac{1}{2} x - \frac{3}{4} y = \frac{11}{60} ...(1)$

The second equation is

$\frac{2}{5} x + \frac{1}{6} y = \frac{3}{10} ...(2)$

We want to eliminate y, so we multiply the first equation by

$\frac{4}{5}$

$\frac{4}{5} \times \frac{1}{2} x - \frac{4}{5} \times \frac{3}{4} y = \frac{11}{60} \times \frac{4}{5}$

$\frac{2}{5} x - \frac{3}{5} y = \frac{11}{75} ...(3)$

We now subtract equation (3) from (2)

$(\frac{2}{3} x - \frac{2}{3} x )+ ( \frac{1}{6} y - - \frac{3}{5}y ) =( \frac{3}{10} - \frac{11}{75} )$

$\frac{1}{6} y + \frac{3}{5}y =\frac{3}{10} - \frac{11}{75}$

$\frac{23}{30}y = \frac{23}{150}$

Multiply both sides by

$\frac{30}{23}$

$\implies \: \frac{30}{23} \times \frac{23}{30}y= \frac{23}{150} \times \frac{30}{23}$

$\implies \: y = \frac{1}{5}$

Substitute into the first equation to solve for x .

$\frac{1}{2} x - \frac{3}{4} \times \frac{1}{5} = \frac{11}{60}$

Multiply to obtain

$\frac{1}{2} x - \frac{3}{20} = \frac{11}{60}$

$\frac{1}{2} x = \frac{11}{60} + \frac{3}{20}$

$\frac{1}{2} x = \frac{1}{3}$

Multiply both sides by 2.

$2 \times \frac{1}{2} x =2 \times \frac{1}{3}$

$x = \frac{2}{3}$

The solution is

$( \frac{2}{3} , \frac{1}{5} )$

5 0

3 years ago

Read 2 more answers

How many square inches are in 60 feet

Colt1911 [192]

8640 square inches are in 60 feet

6 0

3 years ago

Read 2 more answers

Edward pattie Mitch were each simplifying the same exponential equation the work is shown below determine who has simplify the e

Lana71 [14]

Answer:x^6/4

Step-by-step explanation:

Simplifying the steps

8 0

3 years ago

Johanna rode her bike 7 miles to a lake. She rode 3/4 of the distance to the lake before lunch. How many miles did Johanna ride

Alex777 [14]

Answer:

5.25 miles

Step-by-step explanation:

7 0

4 years ago