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3 years ago

10

Which number is the additive inverse of 47? Hi. SI56 -47 1 W om 04

1 answer:

Anvisha [2.4K]3 years ago

5 0

Answer:

4 $\frac{1}{4}$

Step-by-step explanation:

The additive inverse is the value that must be added to the number to give zero.

- 4 $\frac{1}{4}$ + 4 $\frac{1}{4}$ = 0

↑ additive inverse

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Water leaks from tanker at a rate of 8L/h. How much water will leak from the tank in: a: 2 Day. b: 2 Weeks

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2 years ago

If 5 + 20 times 2 Superscript 2 minus 3 x Baseline = 10 times 2 Superscript negative 2 x Baseline + 5, what is the value of x? –

sp2606 [1]

Answer:

<h3>Option D) 3 is correct</h3><h3>Therefore the value of x is 3</h3>

Step-by-step explanation:

Given equation is $5+20\times (2)^{2-3x}=10\times (2)^{-2x}+5$

<h3>To find the value of x :</h3>

First solving the given equation we have,

$5+20\times (2)^{2-3x}=10\times (2)^{-2x}+5$

$5+20\times (2)^{2-3x}-5=10\times (2)^{-2x}+5-5$

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$20\times (2)^2.(2)^{-3x}=10\times (2)^{-2x}$

$20\times 4.(2)^{-3x}=10\times (2)^{-2x}$

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$\frac{80}{10}(2)^{-3x}=\frac{10\times (2)^{-2x}}{10}$

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$(2)^{-3x}.(2)^{2x}=\frac{1}{2^3}$ ( by using the property $\frac{1}{a^{-m}}=a^m$ )

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$2^{-x}=\frac{1}{2^3}$

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Since bases are same so powers are same

Therefore we can equate the powers we get x=3

<h3>Therefore the value of x is 3</h3><h3>Option D) 3 is correct</h3>

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3 years ago

Read 2 more answers

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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2 years ago