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jasenka [17]
3 years ago
15

3x + 2x2 - 4x + 3x2 - 5x Simply step by step

Mathematics
2 answers:
Rainbow [258]3 years ago
5 0

Answer:

9 + 4 - 16 + 6 - 25

I think this is what u need

Hatshy [7]3 years ago
4 0

Answer:

let's say x is equivalent to 3. now all x values are 3 so we can now we can solve the equation 3*3+2*3 squared -4*3+3*3 squared - 5*3, that equals 27.

Step-by-step explanation:

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What is 3/4 minus 3/8 in simplest form
Maslowich
Go to cymath and type it in and it will work it out for you and tell you the answer
3 0
3 years ago
7 + 8p - 27<br> terms ?<br> coefficients ?
gayaneshka [121]

Answer:

Terms: 7, 8p, -27

Coefficients: 8

Step-by-step explanation:

1. A term is a constant, a variable, or a product of a constant and variable. Therefore, 7, 8p, and -27 are terms.

2. A coefficient is a number that is in front of a variable like 8 in front of p.

4 0
3 years ago
Find the number of elements in A1 ∪A2 ∪A3 if there are 100 elements in A1, 1000 in A2, and 10,000 in A3 if a) A1 ⊆ A2 and A2 ⊆ A
Stella [2.4K]

Answer:

Step-by-step explanation:

Given that there are 3 sets such that  there are 100 elements in A1, 1000 in A2, and 10,000 in A3

a) If A1 ⊆ A2 and A2 ⊆ A3

then union will contain the same number of elements as that of A3

i.e. n(A1 ∪A2 ∪A3)=n(A3) =10000

b) If the sets are pairwise disjoint.

union will contain the sum of elements of each set

n(A1 ∪A2 ∪A3) = 100+1000+10000=11100

c) If there are two elements common to each pair of sets and one element in all three sets

We subtract common elements pairwise and add common element in 3

i.e. n(A1 ∪A2 ∪A3) = 100+1000+10000-2-2-2+1\\= 10995

5 0
3 years ago
How do I find the missing value
liberstina [14]
Okay. Since the "y" value and 82* are on the same straight line, their values will always add up to make a sum of 180. So if you subtract 82 from 180 you get 98*. So your "y" value is equal to 98*.

Now, all of the degree values added together should give you a sum of 360, so now we must add the values we know, in order to find the "x" value. So, 112*+82*+98*=292. Now we know that the difference of 360 and 292 will give us the x value. So finally, 360-292=68. So your "x" value is equal to 68.

y=98
x=68
6 0
3 years ago
The base of a triangle is 10cm greater than the height .the area is 28cm .find height and base
Naya [18.7K]

Answer:

Height = 5.6cm

Step-by-step explanation:

Area = 1/2bh

b = 10cm, area = 28cm^2

:- 28 = 1/2 × (10)h

28 = 5h

h = 28/5

h = 5.6cm

8 0
3 years ago
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