I need help on this for real

Mathematics

1 answer:

saveliy_v [14]2 years ago

8 0

Answer:

x < 3

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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Beth has $300. Each week,she buys a $15 CD and a $5 book. how much money will she have left after 6 weeks.

Stella [2.4K]

M = Mo - 20 * Weeks = 300 - 20 * 6 = 180 $

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3 years ago

Where do lines modeled by equations y=-7/8x+1/4 and y=-3/4x+1/2 intersect

vlabodo [156]

If they intersect they have the same x and y values so we can say y=y which can be expressed as:

-7x/8+1/4=-3x/4+1/2 make all terms have a common denominator of 8

-7x/8+2/8=-6x/8+4/8 now multiply all terms by 8

-7x+2=-6x+4 add 6x to both sides

-x+2=4 subtract 2 from both sides

-x=2 divide both sides by -1

x=-2, now we solve for y using either original equation...

y=-3(-2)/4+1/2

y=6/4+1/2

y=6/4+2/4

y=8/4

y=2 so the lines intersect at the point:

(-2, 2)

5 0

3 years ago

Read 2 more answers

Let f (x)=x^2+2x-35 enter the x-intercepts of the quadratic function in the boxes __and___

serious [3.7K]

Answer:

The x-intercepts of the quadratic function are -7 and 5.

Step-by-step explanation:

The given function is

$f(x)=x^2+2x-35$