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natulia [17]
3 years ago
9

I need help in math :(

Mathematics
2 answers:
IgorLugansk [536]3 years ago
7 0
B. 8 1/5 is the answer
katrin2010 [14]3 years ago
3 0

Answer:

B. 8 1/5

Step-by-step explanation:

To find the value of n, we need to isolate it

13+5n = 54  Subtract both sides by 13

5n = 41         Divide both sides by 5

n =  8 1/5

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David found and factored out the GCF of the polynomial 80b4 – 32b2c3 + 48b4c. His work is below. GFC of 80, 32, and 48: 16 GCF o
BlackZzzverrR [31]

Answer: The correct statements are

The GCF of the coefficients is correct.

The variable c is not common to all terms, so a power of c should not have been factored out.

David applied the distributive property.

Step-by-step explanation:

GCF = Greatest common factor

1) GCF of coefficients : (80,32,48)

80 = 2 × 2 × 2 × 2 × 5

32 = 2 × 2 × 2 × 2 × 2

48 = 2 × 2 × 2 × 2 × 3

GCF of coefficients : (80,32,48) is 16.

2) GCF of variables :(b^4,b^2,b^4)

b^4= b × b × b × b

b^2 = b × b

b^4 =b × b × b × b

GCF of variables :(b^4,b^2,b^4) is b^2

3) GCF of c^3 and c: c is not the GCF of the polynomial. The variable c is not common to all terms, so a power of c should not have been factored out.

4) 80b^4-32b^2c^3+48b^4c

=16b^2(5b^2-2c^3+3b^2c)

David applied the distributive property.

7 0
3 years ago
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A headache medicine has a flush rate of 25% after 24hrs since a patient took it. James was prescribed a 35mg dose of the medicin
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If f(x) = -x^3 + 2x^2 - 3, find f(2).<br><br> A) -19<br> B) -3<br> C) -1<br> D) 5
AfilCa [17]

Answer:

B

Step-by-step explanation:

To evaluate f(2) substitute x = 2 into f(x), that is

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3 years ago
Image attached pls help 40 points
lutik1710 [3]

Answer:

Jake:y

grandma:6y

cousin:y+5

the sum of all their ages:8y+5

Step-by-step explanation:

given Jake:y

His grandma is 6 times his age

so

grandma:6y

His cousin is 5 years older than

him.

so

cousin:y+5

the sum of all their ages is

y+6y+y+5

8y+5

6 0
3 years ago
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