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sukhopar [10]
3 years ago
6

What's the value of c that makes 9x^2 + 12x + c a perfect square trinomial.

Mathematics
1 answer:
seraphim [82]3 years ago
4 0
The value of c that makes up a perfect square trinomial is


9x^2 - 12x +c
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A tree 20 feet tall has a shadow of 15 feet. How tall is Biff if his<br> shadow is 36 inches tall?
sweet-ann [11.9K]
I Think the answer is 31 because 20-5 is 15 so 36-5 is 31
3 0
3 years ago
How do you write the algebraic expression: x=-2.5 like i mean the answer
Ganezh [65]

Answer:

2.5 × t = 2.5 t

Step-by-step explanation:

5 0
2 years ago
Habiendose organizado un bingo se ha recaudado $1900. Por la entrada de hombres $15 y mujeres $10 y se ha reportado una asistenc
aev [14]

Answer:

The number of men was 80

The number of women was 70

Step-by-step explanation:

The question in English is

Having organized a bingo has raised $1900. For the entrance of men $15 and women $10 and an attendance of 150 people has been reported. Determine the number of men and the number of women who participated in the bingo.

Let

x----> the number of men

y----> the number of women

we know that

x+y=150

x=150-y -----> equation A

15x+10y=1,900 -----> equation B

substitute equation A in equation B and solve for y

15(150-y)+10y=1,900

2,250-15y+10y=1,900

15y-10y=2,250-1,900

5y=350

y=70

Find the value of x

x=150-70=80

therefore

The number of men was 80

The number of women was 70

3 0
3 years ago
How to simplify the expression (2^2)÷2^10
dimulka [17.4K]
Simplify means solve and to solve we first need to do 2 to the 2nd power which is two *  2 that equal 4 than do 2 to the 10th power that equal 1024 and than we can just do

4 divided by 1024 = 0.0390625 

6 0
3 years ago
At the grocery store 1/5 of the groceries are produce. Of the produce 2/3 is vegetables. What fraction of the groceries in the g
netineya [11]
If you have 1/5 and 2/3, you need a common denominator to even do anything. So three and five both go into 15, so then you do 2 times 5, cause 3 times 5 is 15. And 1 times 3, cause 3 times 5 is 15. So you end up with 3/15 as produce, and 10/15 as vegetables. So, then you divide the fractions, 1/5 divided by 10/15, which is the same as 1/5 times 15/10. So your answer is 3/10 of the produce is vegetables.
8 0
3 years ago
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