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vlabodo [156]
3 years ago
15

Help 10 POINTS MATH IS NOT MY STRONG SUIT

Mathematics
1 answer:
Masja [62]3 years ago
6 0

Answer:

infinite number of solutions

Step-by-step explanation:

Work with the second equation.  Subtract 8x from both sides.

- 4y + 8x - 8x = -8x - 12                   Collect like terms.

-4y = - 8x - 12                                   Divide by - 4

-4y/-4 = - 8x/-4 - 12/-4

y = 2x + 3

That is exactly the same line as the first given.  There is an infinite number of solutions.

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Show that (x+1)(x+3)(x+5) can be written in the form ax3+bx2+cx+d where a b c and d are all positive intergers
Sophie [7]

Answer:

Step-by-step explanation:

(x+1)(x+3)(x+5), multiply first two parenthesis

(x² +3x +x +3)(x+5), combine like terms

(x² +4x +3) (x+5), multiply the parenthesis

(x³ +5x² +4x² +20x +3x +15), combine like terms

x³ +9x² +23x +15 is in the form ax³ +bx² +cx +d

a=1, b=9, c=23, d=15 are all positive integers

7 0
3 years ago
HELPP!!! BRAINLYESTTTTT!!!!!!<br><br><br> GRAPH THE FUNCTION:
Roman55 [17]

Answer:


Step-by-step explanation:

We are given the function f(x) = -3/4(x) +6.

We know that the slope intercept form of a line is y = mx + b

Here, the slope m = -3/4.

The y-coordinate of the y intercept is b = 6 so the y-intercept is at the point (0,6) [x is always 0 at the y-intercept]

If you have to points you can graph the line, we only have the point (0,6).

To find the second point we use the slope.

We add the bottom point of the slope to the x coordinate of the y-intercept and we add the top part of the slope to the y coordinate of the y-intercept, so our second point is (0 + 4, 6 +(-3)) = (4, 3).

You then plot the points we have: (0,6) and (4,3) and draw the line through them.


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5 0
3 years ago
If a sphere's volume is doubled, what is the corresponding change in its radius? A. The radius is increased to 20 times the orig
RoseWind [281]

Answer:

The radius is increased by 1.2599 times the original size.

Step-by-step explanation:

The volume is 3 dimensional whereas the radius is one dimensional.

Therefore the factor for the  radius will be the cube root of the factor for the volume.

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8 0
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28 pounds of recyle trash is what percent of the barrel of 57 pounds of trash
Marrrta [24]
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3 years ago
Find the value of x
Alexeev081 [22]

Answer:

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Step-by-step explanation:

180-30=150

150/2=75

6 0
3 years ago
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