Help. What does 4^5×4^7=

Mathematics

2 answers:

creativ13 [48]3 years ago

8 0

4 ^12 because if you’re multiplying powers you just add the power number

kifflom [539]3 years ago

6 0

$4^5\cdot4^7=4^{5+7}=16,777,216$ .

Hope this helps.

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suppose a parabola has an axis of symmetry at x=-2, a maximum height of 8, passes through the point (-6, 2). Wrire the equation

Virty [35]

Answer:

y = -3/8(x + 2)^2 + 8

Step-by-step explanation:

vertex form is

y = a(x - b)^2 + c where a is a constant and (b,c) is the vertex.

The maximum is at (-2, 8) because x 8 = height and x =-2 is equn. of symmetry

So here we have

y = a(x - (-2))^2 + 8

y = a(x + 2)^2 + 8

Now at the point (-6, 2):

2 = a(-6+2)^2 + 8

2 = 16a + 8

16a = -6

1 = -3/8.

So our equation is y = 3/8(x + 2)^2 + 8

3 0

3 years ago

Find the slope of the line 3,0 and 0,-3

liubo4ka [24]

Answer:

Step-by-step explanation:

The slope of the line is 1. To find slope use the formula $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$ , this calculates the change in y over the change in x. So plug in the known values $\frac{0+3}{3-0}$ , this equals 3/3 or 1. This means every time y increases by 1, x will also increase by 1.