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Aleksandr-060686 [28]
1 year ago
8

Solve - 3x^2 + 2x + 4 = -x- 3 by writing a linear-quadratic system and solving using the intersection feature of a graphing calc

ulator,The graphing calculator shows the curve and line intersect at
Mathematics
1 answer:
Butoxors [25]1 year ago
5 0

Given,

-3x^2+2x+4=-x-3-3x^2+3x+7=0

Solving the above equation,

x=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}

Here, a=-3, b=3 and c=7

Therefore,

x=\frac{-3\pm\sqrt[]{9+84}}{-6}x=\frac{-3+\sqrt[]{93}}{-6}\text{ or }x=\frac{-3-\sqrt[]{93}}{-6}\text{ }

Therefore,

x=-1.11\text{ or }x=2.11

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What is the slope of 1.5x+4.5y=18
melomori [17]

Answer:

The x intercept is (12,0)

Step-by-step explanation:

1.5x+4.5y=18  Subtract 1.5 x from both sides of the equation

4.5y=-1.5x+18  Divide both sides of the equation by 4.5

4.5y/4.5=-1.5x/4.5+18/4.5

y=-1/3x+4

The slope is -1/3

The y intercept is (0,4)

To find the x intercept, yet y=0 and solve.

1.5x+4.5y=18

1.5x+4.5(0)=18

1.5x=18  Divide both sides of the equation by 1.5

1.5x/1.5=18/1.5

x=12

5 0
3 years ago
Read 2 more answers
What does M equal in 4-m/2=10
Verizon [17]
Simplify both sides of your equation.

Subtract 4 from both sides.

Multiply both sides by 2(-1).

m = -12
3 0
3 years ago
You begin the week with 20 units of milk. You purchase 40 units. Your ending inventory for the week is 30 units. How many units
Musya8 [376]

Answer:

30 units.  

Step-by-step explanation:

Let x be number of milk units sold.

It has been given that You begin the week with 20 units of milk. You purchase 40 units. Therefore, total units of milk will be 20+40=60 units.

It has been given that your ending inventory for the week is 30 units, which means after selling x units from 60 units you are left with 30 units.

We can set this information in an equation as:

60-x=30

-x=30-60

-x=-30

x=30

Therefore, you have sold 30 units.

8 0
3 years ago
Question 2 : which characteristic distinguishes ieee 1394 from usb 2.0
Lorico [155]
The characteristics that distinguishes IEEE 1394 from USB 2.0 is that USB supports more devices on a single bus
3 0
3 years ago
Two objects are moving along separate linear paths where each path is described by position, d, and time, t. The variable d is m
Maru [420]
I am not sure about this but here goes nothing: d=2.5t+2.2 is very familiar to y=mx+b y=d m=2.5 x=t b=2.2 to find a new quasion we substitute d and t into place wich equals 1=2.5(0)+b simplification and you get b=1 so your answer is d=2.5t+1
8 0
3 years ago
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