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lesantik [10]
3 years ago
7

I need help with this problem please: -7x^2-2y^3+3x^2-2y^3

Mathematics
2 answers:
bekas [8.4K]3 years ago
6 0
Groups and combine like terms:
-7x^2 +3x^2 -2y^3 -2y^3=
4x^2 -4y^3
aev [14]3 years ago
3 0

-4 • (x2 + y3) this is your answer

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Help please on this problem
iVinArrow [24]

Answer:

7.5 hours

Step-by-step explanation:

We can model an equation for this problem.

We can write:

F=mt

Where

F is the final temperature (15 degrees we need)

m is the rate of temperature change (2 degrees per hour)

and

t is the time, in hours, it will take (we need to find this)

It is given,

F = 15

m = 2

So, t would be:

F = mt

15 = 2t

t = 15/2 = 7.5

So it will take 7.5 hours

8 0
3 years ago
Reciprocate 1 9/11 plz​
s344n2d4d5 [400]

Answer:

11/20

Step-by-step explanation:

\text{First, multiply 1 times 11, and then add the numerator. We have}\\\\\frac{1\cdot11+9}{11}=\frac{20}{11}\\\\\text{Then, reciprocal is just switching the numerator + denenomanator, so we have } \frac{11}{20}

3 0
2 years ago
The probability of spinning an even number, flipping tails, then spinning an odd number is
nlexa [21]

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Step-by-step explanation:

6 0
2 years ago
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ddd [48]

Answer:

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3 years ago
At an aquarium, a shrimp if fed 1/5 gram of food each feeding and is fed 3 times each day. What is the constant of proportionali
Contact [7]

Answer:

The answer is most likely 5 shrimp eats 5 grams of food im one day,

Step-by-step explanation:

At an aquarium, a shrimp if fed 1/5 gram of food each feeding and is fed 3 times each day. <em>What is the constant of proportionality and what does it tell us about the situation?</em>

So, We know the shrimp is fed 1/5 gram of food each feeding, And we know the shrimp is fed 3 times each day.

Now, We need to answer the question, <u><em>What is the constant of proportionality and what does it tell us about the situation?</em></u>

<u><em /></u>

Then, That means '5, shrimp eats 5 grams of food in one day ' is correct.

6 0
3 years ago
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