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iren [92.7K]
1 year ago
10

Evaluate the function f(x) = 3x^2 + 4x + 19 Find f(-7)

Mathematics
1 answer:
yanalaym [24]1 year ago
3 0

Answer:

Step-by-step explanation:

3

x

2

+

4

x

+

19

−

f

(

x

)

=

0

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Two equations are given below: a – 3b = 9 a = b – 3 What is the solution to the set of equations in the form (a, b)?
Vilka [71]
A-3b=9
a=b-3

b-3-3b=9
-2b-3=9
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2b=-12
b=-6

a=-6-3
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Solution: (-9,-6)
----
Check: 
-9=-6-3
-9=-9
TRUE


7 0
3 years ago
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Joaquin has $1,300 in the bank and has investments worth $4,000. He also has $7,000 worth of credit card debt. What is Joaquin's
svetlana [45]
The answer to this question would be: <span>-$1,700

In this question, we can separate the account into positive/debit and negative/credit value. The positive/debit value should be:

Joaquin has $1,300 in the bank
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Total positive value = $1300 + $4000= $5300

The negative value should be 
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</span>Total positive value =$7000
<span>
Then the net worth should be: $5300 - $7000= -$1700</span>
7 0
3 years ago
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Alchen [17]

Answer:

94.2

Step-by-step explanation:

google and simple addition

8 0
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