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babunello [35]
3 years ago
15

Multiple the following: (3x-3)(3x+3)

Mathematics
1 answer:
Brums [2.3K]3 years ago
4 0

Answer:

9x^2-9

Step-by-step explanation:

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Omar has 2 3/4 cups of dough to make dumplings. If he uses 3/16 cups of dough for each dumpling, how many whole dumplings can Om
Llana [10]

Answer: Omar can make 14 whole dumplings.

Step-by-step explanation: Make 2 3/4 an improper fraction. To do this, multiply 2 by the denominator, 4. From this, you get 8. Then add 8 to the numerator, which is 3, and you get 11. Keep the denominator and you'll have 11/4.

To divide fractions, you make 3/16 its reciprocal by basically flipping the fraction so that the numerator becomes the denominator and vise versa, making it 16/3. Then multiply 11/4 and 16/3. 11 x 16 is 176; 4 x 3 is 12. The result is 176/12. Simplify by dividing the numerator and denominator by 4. Your resulting answer should be 44/3. Simplify even further by simple division. Your final answer should be 14 2/3. Discard the 2/3 because Omar needs to make whole dumplings. So the answer is 14.

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4 years ago
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Scorpion4ik [409]

Answer:

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8 0
3 years ago
Mrs. Barrett will be serving 40 people at Lydee’s birthday party. She plans to make three meatballs for each person. Mrs. Barret
madam [21]
So to start you half to have an equation. $3.25x is going to be on part of your equation for each pound. $39.00 is going to be your total amount of all your meat. So your equation is going to be 40=3.25x+39  then you would solve the equation from there
3 0
3 years ago
Answer number 6 and7. Thank you
m_a_m_a [10]

Answer:

6. 13.50/2= 6.25~ about 6 pens

7. 306/24= 12.75 about 13 bags

8 0
2 years ago
Complete the equation for the linear function whose graph contains the points (-1,-2) and (3.10)
tatuchka [14]
That's point-slope form:

y - y1 = m(x - x1)

Where y1 is the y-value of a point on the line, x1 is the x-value, and 'm' is the slope.

So let's find out what goes in the first blank.

As we can see, they replaced 'x1' with -1, and one of our points have an x-value of -1, that point is (-1, -2), this means y2 must be -2:

y + 2 = m(x + 1)

Now let's find the slope between the two points.

m = y2-y1/x2-x1

m = (10+2)/(3+1)

m = 12/4

m = 3

So the slope is 3, plug that in:

y + 2 = 3(x + 1)
7 0
3 years ago
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