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BartSMP [9]
2 years ago
14

Use the quadratic formula to solve the equation to the exact value or round to two decimal places.

Mathematics
1 answer:
lys-0071 [83]2 years ago
6 0
First set everything to 0.
{x}^{2}  + x - 5
Giving you A= 1 , B= 1 and C= -5
Then input everything into the quadratic formula and either solve by hand or use a calculator.
Note exact values are found by hand, decimals are found using a calculator.

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The perimeter of a rectangular garden is 108 meters. The length is 6 meters longer than twice the width. Find the dimensions of
faltersainse [42]

The answer is that the width is 16 m

7 0
2 years ago
The first soccer team scored 8 goals in 4 games. The second soccer team scored 27 goals in 9 games. Which soccer team scored mor
Hatshy [7]

Answer:

The Second Soccer Team

Step-by-step explanation:

First Team: 8/4=2

Second Team: 27/9=3

The first team scored 2 goals per game while the second team scored 3 goals per game.

5 0
3 years ago
Read 2 more answers
Given h(t)=-2(t+5)2 , find h(-8)
amm1812
The answer I got was 12 if needed I can take a picture of how I worked it

5 0
3 years ago
Determine the slope of each line.
faust18 [17]
(2,-2)(5,7)

7-(-2)= 9
5-2= 3
9/3= 3

slope = 3

(you could also calculate the slope by just counting up how many units it goes up/down when you pick a point from the x-axis and move left/right. basically counting the rise over run)
7 0
3 years ago
If f(x)=-x^2+2x, find f(3)-7
igomit [66]

Answer:

f(3) just means to substitute 3 in for x.

Step-by-step explanation:

f(3) just means to substitute 3 in for x.  

f

(

3

)

=

−

2

Explanation:

f

(

3

)

=

−

(

3

)

2

+

7

According to the order of operations, first square the 3, which is 9.

f

(

3

)

=

−

9

+

7

The negative sign in front of the x squared is equivalent to multiplying by negative one.

Add -9 and 7 together, which is -2

So,  

f

(

3

)

=

−

2

5 0
3 years ago
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