3 years ago

If n=3 what would 4(2+n)-6 equal?

Mathematics

1 answer:

Annette [7]3 years ago

4 0

Answer:

$14$

Step-by-step explanation:

$4(2+n)-6$

Replace n with 3:

$4(2+3)-6$

Solve brackets first:

$4\times 5-6$

Multiply next:

$20-6$

Subtract:

$14$

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If s(x) = 2-x² and t(x) = 3x, which value is equivalent to (sot)(-7)?

Sedaia [141]

Answer:

-14+63x²

Step-by-step explanation:

(sot)=s(tx)

=s(3x)

=2-(3x)²

=2-9x²

(sot)(-7)=-7(2-9x²)

=-14+63x²

I hope I helped

and of I am correct mark my answer as brainliest

8 0

2 years ago

Only answer please because Due now.

r-ruslan [8.4K]

Answer:

B. Not enough information.

Step-by-step explanation:

We are given that all three angles of ∆DEF is congruent to all the three corresponding angles of ∆XYZ. However, this is is not enough to prove that they are both congruent to each other. There's no information about any of tge side length.

AAA is not a criterion that proves two triangles are congruent.

Therefore, we will conclude that there is not enough information.

3 0

3 years ago

What quadratic inequality does the graph below represent?

barxatty [35]

The quadratic graph crosses the y-axis at -3, so the equation is $y= x^{2} -3$

The shaded region is on 'outer' part of the graph, hence the inequality is

$y\ \textgreater \ x^{2} -3$