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Alekssandra [29.7K]
3 years ago
11

WILL GIVE BRAINLIEST, 5/5 RATING, AND LIKE!!!

Mathematics
1 answer:
atroni [7]3 years ago
8 0

Answer:

230

Step-by-step explanation:

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What is 3 3/10 + 2 1/10
Sergeu [11.5K]
The answer is
27/5 = 5 2/5 = 5.4
4 0
2 years ago
Read 2 more answers
The sum of two integers is 26. the sum of the squares of the two integers is 340. what is the product of the two numbers?
Phoenix [80]
Lets say that the two unknown integers are n and m.

We know the following things about n and m:

n+m=26
n^2+m^2=340

And, we want to find nm.

To solve this, we'll use the expansion of the squared of the sum of any two inegers; this is expressed as:

(n+m)^2=n^2+2nm+m^2

So, given what we know about the unknown integers, the previous can be written as:

(26)^2=340+2nm

We can easily solve for nm:

nm= \frac{(26)^2-340}{2}= \frac{676-340}{2}= \frac{336}{2}=168

The answer is 168.

Another approach to solve the problem is, from the two starting equations, compute the values of n and m, which are 12 and 14, and directly compute their product; however, the approach described is more elegant. 
5 0
3 years ago
-4x+y=3 plzz answerrr simplify itt
geniusboy [140]

Answer:

x= -3/4 + y/4

Step-by-step explanation:

Move all terms that don't contain

x to the right side and solve.

3 0
3 years ago
Which equations results from adding the equations in this system?<br> x+6y=9<br> -x+2y=-15
UkoKoshka [18]

Answer:

8y = -6

Step-by-step explanation:

Simply add the equations as you would numbers.

The 'x's cancel each other out. The 'y's add together as normal numbers.

9 + (-15) = -6

Hope that this helps!

4 0
3 years ago
What is 20% of $ a dollar and 50 Cent
raketka [301]
1.50x.20=.30
It's 30 cents
8 0
3 years ago
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