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nasty-shy [4]
3 years ago
14

0 (4 Зу = 4х + 15 аnd 9x + 12y = 12

Mathematics
1 answer:
lys-0071 [83]3 years ago
6 0

Step-by-step explanation:

please give me brainlest

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What is the value of a
Daniel [21]
The value of a is 2. Hope this helps!
3 0
3 years ago
Please help apex ansers
goblinko [34]
The factorization of A is y = (x - 8)(x + 7).
The factorization of B is y = (x + 1)(x - 4)(x - 5)

In order to find these, you must first find where each graph crosses the x-axis. In the first problem it does so at 8 and -7. In order to find the correct parenthesis for those, you need to write it out as a statement and then solve for 0. 

x = 8 ---> subtract 8 from both sides
x - 8 = 0
This means we use (x -  8) in our factorization. 

You then need to repeat the process until you have all the pieces. In the second problem, there will be 3 instead of 2 since it crosses the axis 3 times. 
6 0
3 years ago
Algebra help needed
lesantik [10]

Answer:

The ball will reach the ground when h=0.

Set the equation equal to 0.

0=-8(2 t-4)(t+1)

t=-1,2

Step-by-step explanation:

The height of a golf ball after it has been hit from the top of a hill can be modeled by the equation

h=-8(2 t-4)(t+1),

where h is the height in feet and t is time in seconds.  

When ball will reach the ground the distance between ball and ground is 0. So, the ball will reach the ground when h=0.

To find the time it takes for the ball to reach the ground,  set the equation equal to 0 and use the Zero Product Property to solve for $t$.

h=-8(2 t-4)(t+1)

\Rightarrow 0=-8(2 t-4)(t+1)

Solve the equation using the Zero Product Property.

2t-4=0\Rightarrow t=\dfrac{4}{2}=2

t+1=0\Rightarrow t=-1

So, t=-1,2

7 0
3 years ago
HELPPPP, I NEED A GOOD GRADE ON THIS! ILL GIVE U 40 POINTS!
valkas [14]

Answer:

divide .

Step-by-step explanation:

3 0
3 years ago
The question in the box below.
Zepler [3.9K]

Answer:

The corret answer is leter B

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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