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Mamont248 [21]
3 years ago
7

Simplify the expression. 22 • 23 A. 10 B.16 C.24 D.32

Mathematics
1 answer:
Vinil7 [7]3 years ago
4 0

22x23=506

hope this helps! good luck!

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400 meters to 350 meters
OleMash [197]

Minus 150 meters pepega I don’t quite understand the question but that is one way to get from 400 to 350 meters.

8 0
3 years ago
Can someone please help me factor 6x^2 - 9x+42
frutty [35]

Answer:

3(2x^2-3x+14)

Step-by-step explanation:

6x^2-9x+42

All three terms have a common factor of 3

3(2x^2-3x+14)

Now let's focus on 2x^2-3x+14 and bring down the factor 3 later

so a=2

b=-3

c=14

Let's try to find two factors for ac that multiply to be a*c and add up to be b.

ac=28

b=-3

-----

ac=7(4)=14(2)=8(2)

Even if I made these pairs with both negatives nothing would give me -3

So you can only go as far as 3(2x^2-3x+14)

Here is another thing to help you if you have ax^2+bx+c and b^2-4ac<0 then it can't be factored (over reals)

6 0
3 years ago
Read 2 more answers
Mr. Brown shares with the class that 70% of the students got an A on the English vocabulary quiz. If Mr. Brown has 100 students,
mezya [45]

Answer:

a. \frac{70}{100}

b. 0.7

c. 0.7=70%=\frac{70}{100}

Step-by-step explanation:

70% of 100 received an A, that is 70/100 times 100 equal to 70

\frac{70}{100}*100=70

a. 70% = \frac{70}{100}

b. \frac{70}{100} = 0.7

Notice that 70/100 is equal to 7/10 which is 0.7

c. 0.7=70%=\frac{70}{100}  

5 0
3 years ago
What is a solution to x ≥ 20
Triss [41]

Answer:

Step-by-step explanation:

Any number equal to or greater than 20 is a solution.  22 would be a solution.

4 0
3 years ago
Evaluate if a=2, b=5, C=1<br> b(4a + c²)​
kipiarov [429]

Answer:

45

Step-by-step explanation:

5(4(2)+ 1²)

5(8 + 1²)

40 + 5

45

5 0
3 years ago
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