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4 years ago

14

Answer 3-4 pleaseeeeee

1 answer:

aivan3 [116]4 years ago

4 0

I think #4 is 4 but I'm not completely sure

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Solve in polynomials (3/4)^-2 simplify the expression

valentina_108 [34]

$(\frac{3}{4})^{-2} = \frac{3^{-2}}{4^{-2}} = \frac{4^2}{3^2} = \frac{16}{9} = 1.777...$

6 0

3 years ago

3. Simplify. Show your work.<br> 3 over 8 times 1 over 5

cestrela7 [59]

Find a common denominator between the 2 fractions, the common denominator would be 40. So you will Multiple 3/8 by 5/5 giving you 15/40, then you will multiply 1/5 by 8/8 giving you 8/40. Now you can can just add them together which is 23/40. *this answer cannot be simplified*

8 0

2 years ago

What are the coordinates of the vertex of the parabola described by the equation below? y=7(x+5)^2-4

Ipatiy [6.2K]

Answer:

$y= 7(x+5)^2 -4$

The vertex form for a parabola is given by this expression:

$y = a(x-h)^2 +k$

By direct comparison we see that for this case:

$a = 7, h = -5 and k=-4$

And we know from the general expression that the vertex is:

$V= (h,k)$

So then the vertex for this case is:

$V= (-5,-4)$

Step-by-step explanation:

For this case we have the following function:

$y= 7(x+5)^2 -4$

And we need to take in count that the vertex form for a parabola is given by this expression:

$y = a(x-h)^2 +k$

By direct comparison we see that for this case:

$a = 7, h = -5 and k=-4$

And we know from the general expression that the vertex is:

$V= (h,k)$

So then the vertex for this case is:

$V= (-5,-4)$

4 0

3 years ago

Write 5x-y=frac14<br> in slope-intercept form.

Brilliant_brown [7]

Answer:

y=-14acfr+5x

Step-by-step explanation:

hope it helps

6 0

3 years ago

Help me please thank you

My name is Ann [436]

most likely 46 cents

Step-by-step explanation:

Because 2.75 divided by six is 0.45833333333333.... each apple costs that much. Since you can’t have 0.8 of a cent, the answer has to be 46 cents

3 0

3 years ago

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