Which expression is equal to p + (q + r)?

Mathematics

1 answer:

Svetach [21]3 years ago

7 0

The answer should be a) (p+q)*r

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If you are going 10.5 mph how long would it take to go 6,776 miles?

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Fractions,decimals,percents 5/8= 0.625% 6.25% 62.5%

stepan [7]

Hello!

First of all, let's divide.

5/8=0.625

Now, to convert into a percent, you multiply by 100.

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I hope this helps!

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3 years ago

Which of the following statements about f(x)=(x-4)^2-1 are true? select all that apply

melamori03 [73]

We have that
f(x)=(x-4)^2-1 in the question and f(x)=-(x-4)^2-1 in the picture
so

I'm going to analyze the two cases

using a graph tool

case 1)
f(x)=(x-4)^2-1
the vertex is the point (4,-1)
the x intercepts are the points (3,0) and (5,0)
the y intercept is the point (0,15)
the axis of symmetry is x=4
see the attached figure N 1

case 2)
f(x)=-(x-4)^2-1
the vertex is the point (4,-1)
there is no x intercepts
the y intercept is the point (0,-17)
the axis of symmetry is x=4
see the attached figure N 2

the answer
considering the case N 2 is
vertex (4,-1)------> is correct
y intercept (0,-17)-----> is correct
axis of symmetry x=4-----> is correct