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frosja888 [35]
3 years ago
13

Given the function rule f(x) = x² – 3x + 2, what is the output of f(–2)?

Mathematics
2 answers:
harkovskaia [24]3 years ago
5 0

Answer:

d 12

Step-by-step explanation:

nekit [7.7K]3 years ago
3 0

Answer:

D(12)

Step-by-step explanation:

(-2)^2 + (-3)(-2) + 2 = 12

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1/2(4x-2)-2/3(6x+9) greater or equal to 4
Simora [160]
1/2(4x-2)-2/3(6x+9)
(2x-1)-(4x+6)
2x-1-4x+62x-4x-1+6
-2x+5=2.5
So I believe that it is greater than 4
8 0
3 years ago
Which of these is an example of a literal equation?
RSB [31]

<u>ANSWER</u>

ax-by=k is an example of literal equation.

<u>EXPLANATION</u>

A literal equation is an equation in which letters or variables are used to represent real values.

A literal equation consists of at least two letters or variables.

The first option consists of two variables but it is not an equation. It is just an expression.


The second option is not a literal equation because it consists of only one variable. This is  just a linear equation in one variable. But a literal equation should have at least two variables or letters.

As for the third option, it does not even contain a variable or letter.

5 0
3 years ago
Read 2 more answers
Six different​ second-year medical students at Bellevue Hospital measured the blood pressure of the same person. The systolic re
mixer [17]

Answer: range= 26, variance= 80 and standard deviation= 8.94

Step-by-step explanation:

Range = highest - lowest

Range = 146 - 120

Range= 26

Let m be mean

M=mean=sum/n

Mean=(120+134+146+127+138+133) / 6

M=798/6

M=133

The standard deviation sample formula:

S.D = sqrt( Summation of |x-m|^2 / n-1)

Let start finding:

|x-m|^2

For 1st: |120-133|^2=169

For 2nd: |134-133|^2=1

For 3rd: |146-133|^2=169

For 4th: |127-133|^2=36

For 5th: |138-133|^2=25

For 6th: |133-133|^2=0

Summation of |x-m|^2 = 400

The standard deviation formula is :

S.D = sqrt( Summation of |x-m|^2 / n-1)

S.D= sqrt(400 / 5)

S.D=sqrt(80)

S.D= 8.94

Variance = (Summation of |x-m|^2 / n-1)

Variance= 400/5

Variance= 80

3 0
3 years ago
Read 2 more answers
Pedro and Paola are married and file their taxes jointly.Paola's taxable income was $55,675
uysha [10]

Answer:

Pedro and paola don't seem so happy together

4 0
3 years ago
marty has 1 1/3 jugs of apple juice. he uses 3/4 of the juice to make freeze pops. what fraction amount of a jus doe marty have?
Vedmedyk [2.9K]

Answer:

=2\frac{1}{12}  

Step-by-step explanation:

We have to make the fractions equal so we can add them

1 \frac{1}{3}×4= 1\frac{4}{12}

\frac{3}{4}×3=\frac{9}{12}

1\frac{4}{12}+\frac{9}{12}=2\frac{1}{12}  

5 0
3 years ago
Read 2 more answers
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