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hram777 [196]
2 years ago
10

HELP ASAP PLSSSSSSS

Mathematics
2 answers:
Mekhanik [1.2K]2 years ago
8 0

Group B


Group B has a higher number of students with lower ages than Group A. Group A also has more older students than Group B. Based on that information Group B would be expected to have a lower mean age.

Delvig [45]2 years ago
3 0

Answer:

group b

Step-by-step explanation:

Group B has a higher number of students with lower ages than Group A. Group A also has more older students than Group B. Based on that information Group B would be expected to have a lower mean age.

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k0ka [10]

Answer:

y÷234

Step-by-step explanation:

3×81x=234

234x=9x+y

234x-9x=y

x=y÷234

7 0
3 years ago
Quais são os zeros(ou raízes) da função quadrática f(x) = x² + 3x - 4? Assinale a alternativa correta. *
faust18 [17]

Given:

The quadratic function is:

f(x)=x^2+3x-4

To find:

The zeros of the given quadratic function.

Solution:

We have,

f(x)=x^2+3x-4

Splitting the middle term, we get

f(x)=x^2+4x-x-4

f(x)=x(x+4)-1(x+4)

f(x)=(x+4)(x-1)

For zeros, f(x)=0.

(x+4)(x-1)=0

x=-4,1

Therefore, the correct option is (b).

3 0
3 years ago
What is the coefficient of the term of degree 2 in the polynomial below? x^6+3-2x^2+4x^7-4x a. -2 b. 3 c. -4 d. 4
Eva8 [605]
We have that
<span>x^6+3-2x^2+4x^7-4x

we know that 
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the answer is option a) -2</span>
7 0
3 years ago
Read 2 more answers
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Marta_Voda [28]

Answer:

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3 years ago
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Answer is in the attachment below. Open it up in a new window to see it in full.

6 0
4 years ago
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