f(x) = x² - 8x + 5 Plug in -1 for all of the x-values
f(-1) = (-1)² - 8 (-1) + 5 Square -1
f(-1) = 1 - 8 (-1) + 5 Multiply -8 and -1
f(-1) = 1 + 8 + 5 Add
f(-1) = 14

6 0

3 years ago

If the side ratio is 9:12, then the volume ratio is

Reika [66]

I think it’s D because the ratio

5 0

2 years ago

Work out the area of the tile.

zzz [600]

Answer:

190 cm²

Step-by-step explanation:

Use the area of a trapezium formula: $\frac{1}{2} (a+b)h$

where a and b are the top and bottom bases, and h is the height.

Therefore,

area = $\frac{1}{2}\times (12+26)\times10$ = 190 cm²

5 0

2 years ago

What factors of 20 go into 50

xenn [34]

1...2...5...10 are the factors of 20 that go into 50.

5 0

2 years ago