Helppppp meeeeeeeee Explain how to evaluate

Mathematics

1 answer:

poizon [28]4 years ago

6 0

A variable is a letter, for example x, y or z, that represents an unspecified number.

6 + x = 12

To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12.

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Can someone please help? ^^ <3 y=-1/2x+7/2 in standard form! <3

Marina CMI [18]

Answer:

2y = -x + 7

Step-by-step explanation:

y = -1/2x + 7/2 (Multiply by 2)

2y = -x + 7

6 0

2 years ago

a fruit basket contains oranges and grapefruits. one-third of the oranges and one-fourth of the grapefruits were spoiled. you th

Juli2301 [7.4K]

1/3 oranges were spoiled.....u threw away 4 oranges...
1/3 of what = 4....
1/3x = 4
x = 4 * 3
x = 12 oranges

1/4 grapefruits were spoiled....u threw away 7
1/4 of what = 7
1/4x = 7
x = 7 * 4
x = 28

so ur fruit basket contained 12 oranges and 28 grapefruits before u discarded the spoiled ones

6 0

3 years ago

Which figure is described below?

IRINA_888 [86]

Answer:

Option A.

Step-by-step explanation:

Circle contains all points in a plane that are equidistant from a point, i.e., center of the circle.

The locus of points 9 units from the point (-1,3) on the coordinate plane.

It means, the figure represents the set of all points which are 9 units from the point (-1,3).

So, the given describes a circle with of 9 units and center at (-1,3).

Therefore, the correct option is A.