4 hundreds = how many tens

Answers

Answer 1

Answer: so ten tens = 100 so u multiply and u get 40 tens which are 400= 4 hundreds

Answer 2

Answer: There is 10 tens in a hundred. So 4 hundred would be 40 tens.

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A sequence is defined that the first term is 4 and each term after the first term is found by adding 4/5 to the preceding term. What is the 8th term of the sequence?
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A total of 6.825 inches of snow fell during a storm the snow fell at an average rate of 1.3 inches per hour for how many hours did the snow fall

Answers

You just need to divide:

6.825in. / 1.3in/h = 5.25 hours

Identify the vertex and axis of symmetry of 8x $y=-x^(2) +8x-12$

Answers

$y=-x^2+8x-12\ny=-(x^2-8x)-12\ny=-[(x^2-8x+16)-16]-12\ny=-[(x-4)^2-16]-12\ny=-(x-4)^2+16-12\ny=-(x-4)^2+4$

Factor the minus or negative off the -x²+8x and don't do anything with -12

Find the number that can complete the square, for x²-8x, it'd be +16.

Just think of debt, you borrow, you have to give back. You borrow +16 then you have to give 16 out so you write -16 out of x²-8x+16 but still inside the bracket.

Distribute the minus/negative inside the bracket as you get -(x-4)²+16-12 because negative multiply negative and you get positive

Then you get y=-(x-4)^2+4

Because a<0, it's inverted parabola as shown below.

therefore, the vertex is at (4,4) or (-(-4), 4) because the vertex is at (-h,k) and h is -4 that means -h = 4

axis of symmetry is -b/2a, our b is 8, -b = -8 and 2a = 2(-1) so -8/-2 = 4 (From the standard form)

therefore, axis of symmetry is 4

I can't seem to figure it out

Answers

the slope is 2 because remember, y= mx+b
m= slope
the slope is always multiplied by x

Your equation is in slope-intercept form which is represented by

y = mx + b

In the formula,
y = your y-axis coordinate
m = slope
x = x-axis coordinate
b = the y intercept (where the line crosses the y axis)

So with the equation

y = 2x - 3/2

The slope is 2

Find the equation of the axis of symmetry for the parabola y=x^2-2x