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Sonbull [250]
3 years ago
9

HELP 100 POINTS PLEASE

Mathematics
2 answers:
olga55 [171]3 years ago
8 0

Answer:

ohhhhh a 100 points dam im lucky !

Step-by-step explanation:

Ymorist [56]3 years ago
3 0

w o w 100 points! t h a n k s :D

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Solve 3x2 + 4x = −5.
erastova [34]

Answer:


Step-by-step exExplanation:

Solve:

3

x

2

−

4

x

−

5

=

0

is a quadratic equation in standard form:

a

x

2

+

b

x

+

c

,

where:

a

=

3

,  

b

=

−

4

,  

c

=

−

5

Quadratic formula

x

=

−

b

±

√

b

2

−

4

a

c

2

a

Plug in the known values.

x

=

−

(

−

4

)

±

√

(

−

4

)

2

−

4

⋅

3

⋅

−

5

2

⋅

3

Simplify.

x

=

4

±

√

76

6

Prime factorize  

76

.

x

=

4

±

√

2

2

×

19

6

Apply rule:  

√

a

2

=

a

x

=

4

±

2

√

19

6

Simplify.

x

=

2

±

√

19

3

Solutions for  

x

.

x

=

2

+

√

19

3

,

 

2

−

√

19

3

Related questions

How do you know how many solutions  

2

x

2

+

5

x

−

7

=

0

has?

What is the Quadratic Formula?

planation:


3 0
3 years ago
Read 2 more answers
Please help me find the values of a and b so that the system shown had the given solution
Harman [31]

You could just put 0 for a and b.

It would work.

4 0
2 years ago
What is the area of the parallelogram?
Marizza181 [45]

Answer:

0.6

Step-by-step explanation:

3 0
3 years ago
What is the area of the circle?
Bumek [7]

Answer:

363

Step-by-step explanation:

Formula for area of a circle

A = πr^2

Where r = radius

The circle has a given radius of 11

To find the area of the circle we simply substitute r in the formula with the value of the radius (11)

( Also note that the question says to use 3 for π )

A = πr^2

π = 3

r = 11

Substitute values in formula

A = (3)(11)^2

11^2 = 121

A = 121(3)

121(3) = 363

A = 363

8 0
3 years ago
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A quadratic model is fitted to a set of data that has a quadratic trend. What can be
Phoenix [80]

Answer: C & D

Step-by-step explanation:

6 0
2 years ago
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