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3 years ago

Solve the equation:

Mathematics

1 answer:

gulaghasi [49]3 years ago

4 0

Answer:

3/4x=12

3=4x*12

3=48x

3/48x=1/16

x=1/16

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Three times a number is subtracted from another number and the difference is 3. The sum of the two numbers is 31. What is the

Brut [27]

Using the equations y-3x=3 and x+y=31 you can find that x=7 and y=24. There for x is the smaller of the two numbers.

5 0

4 years ago

14.12 = 1/2 (3.6x - 12.8)<br><br> show work

Sergio039 [100]

Answer:

x = 11.4

Step-by-step explanation:

14.12 = $\frac{1}{2}$ ( 3.6x - 12.8 )

Rewrite so that the equation is entirely in decimals;

14.12 = 0.5( 3.6x - 12.8 )

Distribute;

14.12 = 1.8x - 6.4

Inverse operations;

14.12 = 1.8x - 6.4

+6.4 +6.4

20.52 = 1.8x

/1.8 /1.8

11.4 = x

4 0

3 years ago

Read 2 more answers

The graph of 15x + 7y = 15 is shown on the grid. Which ordered pair is in the solution set of 15x + 7y ≥ 15?

elena55 [62]

Answer:

The correct option is c.

Step-by-step explanation:

The given equation is

$15x+7y=15$

The given inequality is

$15x+7y\geq 15$

A point will contained in solution set if the above inequality satisfied by that point.

Check the point (0,-3),

$15(0)+7(-3)\geq 15$

$-21\geq 15$

This statement is false, therefore option a is incorrect.

Check the point (-3,0),

$15(-3)+7(0)\geq 15$

$-45\geq 15$

This statement is false, therefore option b is incorrect.

Check the point (3,3),

$15(3)+7(3)\geq 15$

$66\geq 15$

This statement is true, therefore option c is correct.

Check the point (-3,-3),

$15(-3)+7(-3)\geq 15$

$-66\geq 15$

This statement is false, therefore option d is incorrect.

7 0

3 years ago

You are hiking on a trail that leads to the top of the mountain. At 1 PM you reach an elevation of 4400 feet. At 4 PM you reach

ExtremeBDS [4]

The time from 1 to 4 is 3 hours. (1-2, 2-3, 3-4).

The height you climbed is 1200 feet.

1200/3 is 400.

Your final answer should be 400ft/h

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3 years ago

Chris labels every lattice point in the coordinate plane with the square of the distance from the point to the origin (a lattice

stiv31 [10]

Answer:

4 times

Step-by-step explanation:

A lattice point may be defined as the point of intersection of two grid lines or more than two grid lines that is placed in a regularly spaced points arrays. This is called a lattice point.

In the context, Chris tries to label every lattice point in a coordinate plane with its square of distance from the point to its origin. The lattice points means that the numbers are both the integers. So for number 25, Chris has to label 4 times

i.e. (55),(-5,5),(5,-5),(-5,-5)

4 0

3 years ago