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coldgirl [10]
3 years ago
10

%20-%202x%20-%208%29" id="TexFormula1" title="( {3 x}^{2} - 4x + 8) + ( - {x}^{2} - 2x - 8)" alt="( {3 x}^{2} - 4x + 8) + ( - {x}^{2} - 2x - 8)" align="absmiddle" class="latex-formula">
a.
{2x}^{2}  - 6
b.
{2x}^{2}  - 2x
c.
{2x}^{2}  - 6x + 1
d.
{2x}^{2} + 6
​
Mathematics
1 answer:
MakcuM [25]3 years ago
5 0

Answer:

A. 2x^2 - 6x

Step-by-step explanation:

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Can someone correct me I’m kinda bad at this plz I beg u
-Dominant- [34]

Answer:

First one-3

Second one-0

Last one-12

Step-by-step explanation:

7 0
3 years ago
2x^3+4x^3 is the same as
Ivanshal [37]

Answer:

6x^3 is the answer

3 0
3 years ago
Zoey made 6 1/2 cups of trail mix for a camping trip. She wants to divide the trail mix into 3/4 cup of servings. Twelve people
AlekseyPX

Answer:

No

Step-by-step explanation:

Given that:

Total number of cups of trail mix available for camping trip = 6\frac{1}{2}

Amount of one serving contains = \frac{3}{4} cups

Number of people at the trip = 12

To find:

Whether each person will be able to get the servings?

Solution:

Here, we can find the total number of servings by dividing the total number of cups of trail mix with the amount of one serving.

First of all, let us convert the mixed fraction into fractional number.

6\dfrac{1}{2} = \dfrac{6\times 2+1}{2} = \dfrac{13}{2}

Therefore, total number of servings available as per the given quantities:

\dfrac{\frac{13}2}{\frac{3}4}\\\Rightarrow \dfrac{13\times 4}{2\times 3} \\\Rightarrow \dfrac{26}{3}\\\Rightarrow \approx 8

So, With this type of servings Zoey will be able to serve only 8 people.

Therefore, there is not enough servings.

7 0
3 years ago
How does the solution to an inequality differ from the solution to an equation?
vampirchik [111]
An equation is a mathematical statement that shows the equal value of two expressions while an inequality is a mathematical statement that shows that an expression is lesser than or more than the other.

6 0
3 years ago
Find the work done in emptying a cylindrical tank filled with water. The water is being pumped out from the 6 top. The tank has
lutik1710 [3]

Answer:

<em>908360.67 lb-ft</em>

<em></em>

Step-by-step explanation:

height of tank= 6 ft

diameter of the tank = 4 ft

density of water p = 62.4 lbs/ft

A is the cross sectional area of the tank

A = \pi r^{2}

where r = diameter/2 =  4/2 = 2 ft

A = 3.142 x 2^{2} = 12.568 ft^2

work done = force x distance through which force is moved

work = F x d

Force  due to the water = pgAh

where g = acceleration due to gravity = 32.174 ft/s^2

Force  = 62.4 x 32.174 x 12.568 x 6 =  151393.44 lb

work done = force x distance moved

work = 151393.44 x 6 = <em>908360.67 lb-ft</em>

8 0
3 years ago
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