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2 years ago

15

By switching service providers, a family's monthly bill decreased from $57 in May to $35 in June. The monthly bill from May to J

une decreased by ________%? Percent decrease is same as relative change

1 answer:

Zolol [24]2 years ago

7 0

=38.59649123%
=38.6%, cor to 3sf

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What is the number seven hundred thirty one million nine hundred thirty four thousand thirty written in standard form?

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Its standard form is 731,934,030

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2 years ago

Which set of measurements could be the side lengths of a triangle?

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We know that
Triangle Inequality Theorem establishes that the sum of the lengths of any two sides of a triangle<span> is greater than the length of the third side
</span>so
case <span>A. 5M, 11M, 7M
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11+7 > 5 ---> ok
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case </span><span>B.10 m, 4 m, 5 m
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case </span><span>D.6 m,11 m, 5 m
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2 years ago

What is (3-4i)^2? In complex numbers?

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2 years ago

Question 6 of 15

umka2103 [35]

Answer:

$LE=5\ units$

Step-by-step explanation:

we know that

In a rectangle, the two diagonals are congruent and each diagonal bisects the other

so

$LN=2KE$ ----> equation A

$KE=LE$ -----> equation B

step 1

Find the value of x

solve equation A

$LN=2KE$

substitute the given values

$(2x+2)=2(3x-7)$

solve for x

$2x+2=6x-14\\6x-2x=2+14\\4x=16\\x=4$

step 2

Find the value of KE

$KE=3x-7$

substitute the value of x

$KE=3(4)-7=5\ units$

Remember that

$KE=LE$ -----> by each diagonal bisects the other

therefore

$LE=5\ units$

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