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3 years ago

Simplify the expression. 9×y^2 - 11xy^2

1 answer:

7 0

To simplify this expression you would factor out the greatest common factor which is y^2.

9y^2 - 11xy^2 -----> Factor out y^2
y^2(9 - 11x) ----> This should be as far as you can go, meaning this is your final answer!
Hope this helps!

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NEED HELP ASAP i need to simplify (f+g)(x) if f(x) = x+4 and g(x) = 3x^2-8

kogti [31]

We can also think of this problem as f(x) + g(x). Therefore, all we need to do is add the two functions together.

x + 4 + 3x^2 - 8 || Write it out!

3x^2 + x + 4 - 8 || Rearrange in order of decreasing exponents. No need to combine and rearrange all at once!

3x^2 + x - 4 || Combine like terms!

Hope this helps!! :)

5 0

3 years ago

Write the equation for the line in the graph in y=mx+b form.

babunello [35]

The answer is number 3. y=(-2/3)x +5

7 0

3 years ago

Estimate the size of a crowd walking in a charity fundraising march that occupies a rectangular space with dimensions of 10 feet

jolli1 [7]

Answer:

4000 is size of a crowd walking in a charity fundraising March.

Step-by-step explanation:

Given:

Dimensions of rectangular space 10 feet by 12000 feet

So we can say that,

Length = 1200 ft

Width = 10 ft

Now we will calculate the area of rectangular space which is given by

Hence Area will be = $length\times width= 10\ ft \times 1200 \ ft= 12000 \ ft^2$

Now we know that 40 people occupy a rectangle measuring 10 feet by 12 feet.

Length = 12 ft

Width = 10 ft

Area = $length\times width= 10\ ft \times 12 \ ft= 120 \ ft^2$

It says that 40 people are occupied in 120 $ft^2$

So how many people will be there in 12000 $ft^2$

By using unitary method we get,

Number of people = $\frac{40\times 12000 \ ft^2}{120 \ ft^2} = 4000 \ peoples$

Size of a crowd walking in a charity fundraising March is 4000.

8 0

4 years ago

Read 2 more answers

Please what is the answer?

Nuetrik [128]

Answer:

$8624.03$

Step-by-step explanation:

$(8 \times 1000)+(6 \times 100)+(2 \times10)+(4 \times 1)+(3 \times \frac{1}{100} ) \\ \\ 8000 + 600 + 20 + 4 + \frac{3}{100} \\ 8624 + 0.03 = 8624.03$

6 0

3 years ago

Read 2 more answers

Lisa built a rectangular flower garden that is 4 feet wide and has a perimeter of 26 feet.

Bond [772]

Perimeter is l+l+w+w, or l*2+w*2. We know the width is 4 feet. 26=4*2+l*2
So first, find what 4*2 equals. The answer is 8. So subtract 8 from both sides. 4*2 Cancels out, and 26 changes to 18. Then, divide both sides by 2. The (*2) gets cancelled and 18 becomes 9. The length is 9 FEET.

:)-Kibeye

3 0

3 years ago

Read 2 more answers