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3 years ago

What is 5 to the 25th power?

1 answer:

4 0

5^25 = 5 * 25^12 = 5 * 625^6 = 1220703125. Making an even power and squaring the value to divide the power by 2 reduces the time and just enter it in a calculator.

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Yo broskis another question. Answer it in fraction form.

Olenka [21]

Answer:

-(5/7) please give me brainest

Step-by-step explanation:

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2 years ago

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keli wants to sew trim around the sleeves and hem of a dance costume. she needs a piece of trim that is 8 1/8 inches long for th

Sav [38]

Answer:

1 15/16 ft

Step-by-step explanation:

40 5/8 + 8 1/8 = 48 6/8

There are 12 inches in a foot.

48/12 = 4

6/8 inch divided by 12 is 1/16 ft

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3 years ago

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Write a variable expression for this amount. 8 more than twice a number d

jarptica [38.1K]

2n+8 maybe try that i dont get the question..kinda confusing

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3 years ago

If(√14/√7-2)-(√14/√7+2)=a√7+b√2 find the values of a and b where a and b are rational numbers

seraphim [82]

Answer:

a = 4/3 and b = 0

============================

<h2>Given expression:</h2>

$\dfrac{\sqrt{14} }{\sqrt{7}-2} -\dfrac{\sqrt{14} }{\sqrt{7}+2}$

<h2>Simplify it in steps:</h2>

Bring both fractions into common denominator:

$\dfrac{\sqrt{14} (\sqrt{7}+2)}{(\sqrt{7}-2)(\sqrt{7}+2)} - \dfrac{\sqrt{14} (\sqrt{7}-2)}{(\sqrt{7}-2)(\sqrt{7}+2)}$

Simplify:

$\dfrac{\sqrt{14} ((\sqrt{7}+2) - (\sqrt{7}-2))}{(\sqrt{7}-2)(\sqrt{7}+2)} =$

$\dfrac{\sqrt{14} (\sqrt{7}+2 - \sqrt{7}+2)}{(\sqrt{7}-2)(\sqrt{7}+2)} =$

$\dfrac{4\sqrt{14} }{(\sqrt{7}-2)(\sqrt{7}+2)} =$

$\dfrac{4\sqrt{14} }{(\sqrt{7})^2-2^2} =$

$\dfrac{4\sqrt{14} }{7-4} =$

$\dfrac{4}{3} \sqrt{14} }$

Compare the result with given expression to get:

a = 4/3 and b = 0

4 0

2 years ago

Which of the following is an arithmetic sequence?

gladu [14]

Answer:

A. 3, 0, -3, -6

Step-by-step explanation:

The sequence with constant first differences is an arithmetic sequence. The sequence of A has a common difference of -3, so is an arithmetic sequence.

6 0

3 years ago