Respuesta :

S0ph13D

Answer:

1) c 30j

2) b 16

3) c 3

4)b 65

Step-by-step explanation:

1) in algebra u dont write the multiplication sign so it equals 30j

2) sub p into 6. half of 6 is 3. add that to 13=16

3) coefficient means the number in front of the letter. in this case it is 3

4) 10^2=100. so sub in 20 into the x in the equation and multiply 15 by 4. the answer should be 65 if u do it correctly. Hope this helps :)

|| Question ||

the product of 30 and a number j

|| Answer ||

30j

( In the question, Its given "product of". This means here 30 is multiplied by j. So that, The answer will be "30j" )

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|| Question ||

Evaluate the expression 13 + 6p when, p = 1/2

|| Answer ||

[tex] = > 13 + 6p[/tex] ( p = 1/2 )

[tex] = > 13 + 6 \times \frac{1}{2} [/tex]

[ 2 × 3 = 6 ]

[tex] = > 13 + 3 \times \frac{1}{1} [/tex]

[tex] = > 13 + 3[/tex]

[tex] = > 16[/tex]

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|| Question ||

What is the coefficient in the expression:- 25 + 3f

|| Answer ||

Coefficient - A number which is before the variable.

According to question, 25 + 3f

Here, 25 is constant

3 is Coefficient

f is Variable

So, 3 is the the coefficient

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|| Question ||

Evaluate the expression

[tex] {10}^{2} \div x + 4y[/tex]

|| Answer ||

[tex] { = > 10}^{2} + x + 4y[/tex]

( x = 20, y = 15 )

[tex] = > {10}^{2} \div 20 + 4(15)[/tex]

[tex] = > 100 \div 20 + 60[/tex]

[tex] = > 5 + 60[/tex]

[tex] = > 65[/tex]

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