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Alexxx [7]
3 years ago
13

Someone Help me please

Mathematics
1 answer:
kramer3 years ago
6 0
How many red ones were in the bag?


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I need with 2n-7=5n-10 also
melomori [17]
2n - 7 = 5n -10
-5n    -5n
-3n - 7= -10
       +7   +7
-3n = -3 
-3/-3    -3/-3
    n= 1
6 0
3 years ago
What is the discriminante of 9x^2+10x
Leni [432]
The discriminant of y=ax^2+bx+c is b^2-4ac

given
9x^2+10x+0
a=9
b=10
c=0

discriminant=10^2-4(9)(0)=100-0=100

the discriminant is 100
6 0
3 years ago
A sweater with a regular price of $38.50 is on sale for 30% off. Find the final
Paraphin [41]

Answer:

The final price would be $26.95

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Need to know please help me !!!
LenKa [72]

Answer:

9.5  feet/ 1 second is your unit rate

Step-by-step explanation:

In order to make a unit rate you have to make the denominator 1 so it can be a whole number which means you divide by the denominator on both sides both numerator and denominator.

3 0
2 years ago
Walter and Helen are asked to paint a house. Walter can paint the house by himself
Rudik [331]

Answer:

it will take 28 hour which is 1 day 4 hour

Step-by-step explanation:

if they work together thats mean we have to add. we have to add 12+16 which is equal to 28 hour.....

hope ot helps

4 0
3 years ago
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