Evaluate the expression 5^2+10.2×4-2

Find the length, x, of the third side of the triangle.

Mkey [24]

Is it 10.5625? i could be wrong

8 0

2 years ago

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The graph of an equation with a negative discriminant always has which characteristic?

kobusy [5.1K]

No x intercept because there is no solution

4 0

2 years ago

The theatre has 4 chairs in a row. There are 5 rows. Using rows as your unit of measurement, what is the perimeter?

brilliants [131]

Answer:

Step-by-step explanation:

A theatre has 4 chair in a row; lets draw that out

Let's pretend that this is a chair: ♦

So we have 4 chairs in a row

♦ ♦ ♦ ♦

And there are 5 rows

♦ ♦ ♦ ♦

Let's find the perimeter;

4 + 5 + 4 + 5

=18

The perimeter is 18 rows.

5 0

1 year ago

Let f(x) = x2 − 8x + 5. Find f(−1)

rewona [7]

Answer:

14

Step-by-step explanation:

$f(x)=x^2-8x+5$

now substitute x for -1

$f(-1)=(-1)^2-8(-1)+5$

now solve

$f(-1)=1+8+5$

$f(-1)=14$

there is your answer! hope this helps! :)

5 0

2 years ago

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PLEASE PLEASE PLEASE HELP ME ANSWER THIS QUESTION QUICK!! The picture of the question is down below.

torisob [31]

Answer:

Thr answer is B.

Step-by-step explanation:

x-1^2 = x^2 - 2x +1

Using forming a square shape via formaticals, yes.

5 0

2 years ago