MATHEMATICS MIDDLE SCHOOL

What is the factorization of 2x2+9x+9

Answers

Answer 1
Answer:

Answer: 94

Step-by-step explanation:

Simplify each term

Multiply 2 by 2

4+9x9+9

Multiply 9 by 9

4+81+9

Simplify by adding numbers

add 4 and 81

85 +9

add 85 and 9

94

Hope this helps~

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A truck can travel 14 miles for each gallon of gasoline. The function d(x)=20x represents the distance d(x), in miles, that the truck can travel with x gallons of gasoline. How many miles can the truck travel with 15 gallons of gasoline?
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What are hidden questions and why are they important

Answers

they are questions that are not specifically stated in the problem exg

you have a triagle
2 side angles add up to 30, find the 3rd angle

you have to remember that the 3 angles add up to 180
hidden quetsions are somethings that gives you a little more information about that word problem that you probaly didnt notice before and they are important because if they are missed in the problem the whole thing can be wrong

Tickets for the school concert were 3$ and 2$. If 245 tickets were sold for a total of $630, how much of each kind were sold?

Answers

2x + 3y = 630
x + y = 245 then you want to get rid of x so in the second equation × by -2 and get -2x -2y =-490 subtract this equation from the first to get y=$140 substitute 140 in for y and get x= $105 and 2x=210 and 3y=420 210 +420=630

Can yall give me the answers for the unsolved ones please

Answers

No.  But what I'm going to do is write in the values of 'a', 'b', and 'c' in each expression.  Then all you need to do is the multiplication, and you'll have the answer to each one.

13).  -2a = -2(-3)
14).  9b = 9(-4)
15).  ab = (-3) (-4)

16).  -3ac =  (-3) (-3) (5)
17).  -2c²  =  -2 (5²)
18).  abc  =  (-3) (-4) (5)

Others:

1). to 7)., and 9). and 10).  are all correct

8).  3(-2x) = -6x
11).  -6(-3y) = 18y

12).  should be negative

If i buy 4 cans of soup for $6.00 which proportion can be used to find the cost of 13 cans

Answers

Final answer:

The cost of 13 cans of soup, given that 4 cans cost $6.00, can be determined using a proportion. The proportion is set up as 4 cans / $6.00 = 13 cans / x, which Solving for x indicates that the cost for 13 cans of soup is $19.50.

Explanation:

The question is asking for the cost of 13 cans of soup, given that 4 cans cost $6.00. This can be solved using a proportion. A proportion is set up as an equivalent fraction equation, where the ratio of the number of cans to the cost is equal in both situations. Here, the proportion is 4 cans / $6.00 = 13 cans / x, where x is the cost we are trying to find for 13 cans of soup.

To solve for x, we would use cross-multiply. This gives us 4x = 78, where we then divide both sides by 4 to get x = $19.50. So, the cost of 13 cans of soup is $19.50.

Learn more about Proportion here:

brainly.com/question/32430980

#SPJ2
4cans/$6 = 13cans/$x now cross multiply and solve for x

Recently, the largest watermelon on record weighed 269 pounds. how many ounces did it weigh?

Answers

The watermelon weighed 4,304 ounces.
 Important Information:
16 ounces= 1 pound
269 pounds x 16 ounces = 4,304 ounces
4,304. You can calculate this problem by finding how many ounces in a pound and and multiplying that number by 269. Hope this helps:)

In a school with 300 students and 15 teachers what is the student - teacher ratio?

Answers

It 20:1 
This is a basic math problem which can be solved by simply dividing 300 by 15.
300:15
Ti simplfy just dived the two numbers
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7 1/2 times 0.50 PLZZZZZ help