3 years ago

X : 2 = 7 : 5 Calculate the value of x .

Mathematics

2 answers:

umka2103 [35]3 years ago

8 0

Answer:

the answer is 5.286

Step-by-step explanation:

daser333 [38]3 years ago

3 0

Answer:

2.5

Hope I helped

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A good-quality measuring tape can be off by 0.49 cm over a distance of 23 m. What is the percent uncertainty?33% Part (a) If 44

V125BC [204]

Step-by-step explanation:

First:

(Error/Total )x 100%

(0.49/23) x100%= 2.13%

Second:

(Absolute uncertainty/mean) x100%

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3 years ago

What is the value of the expression i × i²× i³× i⁴

SCORPION-xisa [38]

$i \cdot i^2\cdot i^3\cdot i^4=i^2\cdot i^8=-1\cdot1=-1$

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3 years ago

Answer and show the work please?

dem82 [27]

(-5/8)(X) = -0.4
(-5/8)(X) = -4/10
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Letter D

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2 years ago

If T equals 1 / r + 1 / s equals r + S over RS, then what is 1 / T in terms of R&S?

Thepotemich [5.8K]

$T=\dfrac{1}{r}+\dfrac{1}{s}\\\\T=\dfrac{1\cdot s}{r\cdor s}+\dfrac{1\cdot r}{r\cdot s}\\\\T=\dfrac{s}{rs}+\dfrac{r}{rs}\\\\T=\dfrac{s+r}{rs}\to\dfrac{1}{T}=\dfrac{rs}{s+r}$

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3 years ago

The last question for my test help

alisha [4.7K]

3 2/6

5/6*4=20/6

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