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valina [46]
3 years ago
12

(7u^2-6u+2) + (-3u^2+u+5)=​

Mathematics
1 answer:
polet [3.4K]3 years ago
4 0

Answer:

4u^2-5u+7.

You just remove the parentheses because it's adding. If it were subtraction, you would need to distribute the minus.

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Which pair of triangles can be proven congruent by AAS theorem?
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3 years ago
Melissa put her cat, Herman, on a diet and kept track of his weight. At the end of 4 weeks, she recorded Herman's weight change
Sergio [31]

The cats weight change each week is -1\frac{1}{8} ounces

<h3><u>Solution:</u></h3>

Given that, Melissa put her cat, Herman, on a diet and kept track of his weight.  

At the end of 4 weeks, she recorded Herman's weight change as -4\frac{1}{2} ounces.  

She noticed that he had lost the same amount of weight each week.  

We have to find what is Herman's weight change each week of the diet?

Now, let the weight lost per week be n ounces.

Then, in total he lost 4n ounces in 4 weeks

And we are given that, lost wait is -4\frac{1}{2} ounces

\begin{array}{l}{4 n=-(4 \frac{1}{2}) \text { ounces }} \\\\ {4 n=-(\frac{4 \times 2+1}{2})} \\\\ {4 n=-(\frac{9}{2})} \\\\ {n=-(\frac{9}{8})=-(\frac{8+1}{8})=-1 \frac{1}{8} \text { ounces }}\end{array}

Here negative sign indicates cat is losing weight

Hence, the cats weight change each week is -1\frac{1}{8} ounces

7 0
4 years ago
Written Response: Sally believes that 1/2% is equivalent to 50%. Is she correct? Why or why not?​
Afina-wow [57]

Answer:

She is correct.

Step-by-step explanation:

1/2 and 50% is the same thing

50%  is 1/2 of 100

6 0
3 years ago
Read 2 more answers
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the second equation is linear
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