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Andrews [41]
3 years ago
10

25(x+5\4)^2-16(x7\4)^2 factorize the expression​

Mathematics
1 answer:
elena-s [515]3 years ago
4 0

Since both terms are perfect squares, factor using the difference of squares formula,

a² − b² = (a + b) (a − b) where a = 5(x + 5/4) and b = 4 (x (7/4) ).

− (12x + 25/4) (2x + −25/4)

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1+2=<br> 3+4<br> 4=3<br> )+0<br> you dont have to answer just put a random letter or something
Alina [70]

Answer:

3

7

last one doesn't even make sense

3 0
2 years ago
The class needed to collect 20.5 pounds of cans for recycling over the next 5 months. the students plan to collect 3.75 pounds e
Anestetic [448]
To solve this problem, start by finding how many cans will be collected in 5 months. To do this, take the amount of cans collected each month and multiply it by the number of months. Set these values up in an equation.
This leaves you with:
3.75(5) = x

Multiply the values to get 18.75 pounds of cans.
So this fills the first blank.

For the second blank, you must subtract the number collected from the number that was the goal for the class.
This results in the expression:
20.5 - 18.75

Subtract the values to fill the second blank with 1.75 pounds.

Since they didn’t meet their goal, the last blank would be “less.”

I hope this helps! :)
8 0
3 years ago
If the line above is translated 5 units up and 8 units left, what is the slope of the<br>new line?​
vazorg [7]
The slope is 5/-8

Since rise/run...

Rise = +5 and Run = -8
3 0
3 years ago
A basketball is thrown with an initial upward velocity of 30 feet per second from a height of 6 feet above the ground. The equat
Elena L [17]
For this case we have the following equation:
 h = -16t ^ (2) + 30t + 6
 We substitute the value of h = 10 in the equation:
 10 = -16t ^ (2) + 30t + 6
 Rewriting we have:
 0 = -16t ^ (2) + 30t + 6-10
 0 = - 16t ^ (2) + 30t - 4
 We look for the roots of the polynomial:
 t1 = 0.144463904
 t2 = 1.730536096
 "the ball passes its maximum height, it comes down and then goes into the hoop". Therefore, the correct root is:
 t = 1.730536096
 Answer:
 
It goes into the hoop after:
 t = 1.73 seconds
8 0
3 years ago
If 5 pounds of grapes costs $1.37, how much would 12 pounds of grapes cost?
Eduardwww [97]

Answer:

3.288 or 3.30

Step-by-step explanation:

1.37/5= x/12

1.37/5=0.274/1

0.274*12=3.288

8 0
3 years ago
Read 2 more answers
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