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3 years ago

What is 4 superscript 5 written in expanded form?

Mathematics

2 answers:

Masja [62]3 years ago

8 0

Answer:

4×4×4×4×4

Step-by-step explanation:

It is in expanded form.

elena55 [62]3 years ago

5 0

If this is an exponent, it would be 4 x 4 x 4 x 4 x 4 in expanded form.

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The length of the hypotenuse of a right angled triangle exceeds the length of the base by 2cm and exceeds twice the length of th

insens350 [35]

Answer: a = 8; b = 15; c = 17

Step-by-step explanation:

c = b + 2 and c = 2a + 1

b = c − 2 and a = $\frac{c-1}{2}$

c² = b² + a²

$c^{2} = (c-2)^{2} + \frac{c-1}{2}\\$

$c^{2}= \frac{4 (c-2)^{2}+(c - 1)^{2} }{4}$

$4c^{2}={4 (c^{2} + 4 -4c)+c ^{2} + 1-2c$

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$c^{2}-18c+17=0$

$c(c -17)-1(c-17)=0$

$(c -1)(c-17)=0$

c = 1 or c = 17

If c = 1 then b = 1 - 2 = -1, that's not possible

So x = 17

b = 17 - 2 = 15

a = $\frac{17-1}{2} = 8$

Length sides of the triangle are 17 cm, 15 cm and 8 cm.

I saw some of this on a site but I want to make sure its correct so we're gonna apply the pythagorean theory and see if its correct.

$a^{2} + b^{2} = c^{2} \\8^{2} + 15^{2} = 17^{2} \\64 + 225 = 289\\289 = 289\\$

This shows that this is correct.

Hope this helped! Again, some of this was from a site, not from me.

3 0

3 years ago

How do I solve equations with a variable to the power of something (give steps please)

lozanna [386]

Answer:

Step-by-step explanation:

Factoring will reveal the solution. So we divide the equation by the greatest common factor of the terms and use that factor as the coefficient. In this case the greatest common factor is just x.

2x^2+5x

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Step-by-step explanation:

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Xelga [282]

65%...
26 divided by 40 = 0.65 x 100 = 65%
hope this helps!

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If the speed limit on a interstate is 45 and someone is going 85 how much more are they going than the speed limit?

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Answer:

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Step-by-step explanation:

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