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AnnyKZ [126]
3 years ago
10

Add (4x^2-xy-y^2) and (x^2+5xy+8y^2) simplify your answer:

Mathematics
2 answers:
bazaltina [42]3 years ago
8 0

Answer:

To find a, b, and c, rewrite in the standard form ax2+bx+c=0ax2+bx+c=0.

a=1, b=3, c=0

sukhopar [10]3 years ago
4 0

Answer:

4x^2-4xy-3\frac{y^2}{2}x^2-5xy-3y^2 is 2

−3x^2 y^2 +8x^2 −18xy−6y^2

Step-by-step explanation:

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What is the number of terms in this expression?<br> M/4 + 4.6
Sliva [168]

Answer:

Step-by-step explanation:

2terms

4 0
3 years ago
Find the mode in the set 3,5,7,13,7,9,3<br>​
irina1246 [14]

Answer:

3 and 7

Step-by-step explanation:

The mode of a set is the number that appears the most frequently. There can be multiple modes in a set. Looking at the given set, we see that the numbers that show up the most are 3 and 7 so that is our answer.

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3 years ago
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A recipe for brownies calls for 2.5 cups of flour. The recipe makes 10 servings. How many cups of flour are needed to make 13 se
quester [9]
It would be 3.25 cups

Since there is 2.5 cups for 10 servings then 0.25 per serving multiply that by 13 servings and you get 3.25.So it would be 3.25 cups for 13 servings
4 0
3 years ago
What is the vertex form of 2x^2+10x-5
Nataly_w [17]
<span><span>Two Solutions
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2. x =(10+√140)/4=(5+√<span> 35 </span>)/2= 5.458</span></span>
7 0
3 years ago
Which expressions is equivalent to 2r+(t+r)
azamat

Answer:

t+3r

Step-by-step explanation:

This is a one step solution

All you do is add like terms

In this case the only like terms are the varibles r

2r+(t+r)

so if you add all of the rs together there would be 3rs

So the rest of the problem would continue as normal while bringing the 3r to the end

t+3r

8 0
3 years ago
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