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Inessa05 [86]
3 years ago
9

Simplify 9x^2-3x(2x-4)-6x

Mathematics
1 answer:
Vinvika [58]3 years ago
3 0
The answer is 
3 x^{2} +6x<span><span>
Remember to combine like terms. 
Hop this helps. c:</span></span>
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Marsha has budgeted no more than $3,000 on centerpieces for the tables at the reception, which inequality represents all possibl
Black_prince [1.1K]

Answer:

x+y\leq 3000

Step-by-step explanation:

Given : Marsha has budgeted no more than $3,000 on centerpieces for the tables

x denotes the number of Guest Tables Lily Arrangements

y denotes the number of Family Table Rose Arrangements

To Find: Which inequality represents all possible combinations of x,  and y,  that Marsha can buy for no more than $3,000?

Solution :

Since there are x number of Guest Tables Lily Arrangements.

And there are y  number of Family Table Rose Arrangements

Since she cannot spend more than 3000 on centerpieces .

So, the inequality becomes:

x+y\leq 3000

Hence inequality represents all possible combinations of x and y that Marsha can buy for no more than $3,000:

x+y\leq 3000

8 0
3 years ago
What does 81% 90% 80% and 34% average into 20 points
Alja [10]

Answer:

71.25%.

Step-by-step explanation:

To find the average, we can simply add up the percentages and divide by how many there are.

We can do this by:

\frac{81 + 90 + 80 + 34}{4} = 71.25%

7 0
3 years ago
Steve has two cans containing biscuit dough. The cans are cylindrical and their dimensions (in inches) are as follows.
inessss [21]

Answer:

I think it is "B"

Step-by-step explanation:

4 0
3 years ago
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Marlo uses 252 lb of gravel to cover a garden plot of 36 ft2. clear check how many pounds of gravel does it take to cover one sq
timama [110]

7 lb will cover an area of 1 square foot, while 315 lb will cover an area of 45 square feet.

From given question,

252 lb = 36 ft²             ..........(1)

The number of pound for an area of 1 square foot is calculated as follows:

x = 1 ft²                       .......(2)

The area and the amount of gravel are illustrations of proportions.

From (1) and (2) we get an equation,

⇒ x × 36 = 252 × 1

⇒ x = 252/36

⇒ x = 7 lb

We need to find the area that could be covered with 315 lb of gravel

The area to be covered with 315 lb gravel is calculated as follows:

315 lb = y               ............(3)

From (1) and (3) we get an equation,

⇒ y × 252 = 36 × 315

⇒ y = 45 ft²

Therefore, 7 lb will cover an area of 1 square foot, while 315 lb will cover an area of 45 square feet.

Learn more about the proportions here:

brainly.com/question/13114933

#SPJ4

4 0
1 year ago
Find the volume of a cone
lianna [129]

Answer:

96π or 301.59 in³

Step-by-step explanation:

V(cone) = 1/3πr²h

= 1/3·π·6²·8

= 96π or 301.59

6 0
3 years ago
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