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rusak2 [61]
3 years ago
7

ali's tyre pressure gauge shows a reading witch is 8 % lower than the actual pressure when the gauge shows 33.58

Mathematics
1 answer:
Rama09 [41]3 years ago
5 0

Answer:

the actual pressure is 31.09

Complete question:

What is the actual pressure when Ali's gauge shows 33.58

Step-by-step explanation:

Given,

Ali's tyre presser gauge show a reading 8% higher than the actual pressure.

Ali's gauge shows 33.58.

Let the actual pressure be x.

According to problem,

 x\times\frac{108}{100} =33.58 { [If 8% increasing  of a no ⇒ The number becomes =                      (\frac{100+8}{100})of the number}

x= \frac{33.58\times100}{108}

x=31.09

Therefore, the actual pressure is 31.09

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Answer:

65 miles

Step-by-step explanation:

There are two simultaneous equations . Remeber that v=d/t, 1hour = 60 minutes.

1. 40 = (d+15)/(t+0.5)

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solving: d= 25 miles and t=0.5 hours.

The distance traveled is:

D=d+d+15

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3 years ago
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If f(x) = 3x + 3, then f-1(x) =
tensa zangetsu [6.8K]
Mathematically, when you calculate the inverse function (f-1(x)), you’re switching the “inputs” (x) and the “outputs” (f(x)) and then re-solving the equation. So, you’d start with something like:

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Your inverse formula would be (x - 3)/3. Hope this helps! (Hopefully Brainly doesn’t mess up the text format.)
7 0
4 years ago
18) At noon, what is the length of the shadow cast by a flagpole known to be 20 feet tall? Label the answer correctly.
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   Actual length of the pole and the length of the shadow cast by the pole follow the proportional relationship.

Following this rule, 20 feet tall flagpole will cast 3.33 feet shadow.

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Proportional relationship will be defined by the expression,

\frac{\text{Actual height}}{\text{Length of the shadow}}\rightarrow \frac{6}{1}= \frac{20}{x}

6x=20

x=\frac{20}{6}

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brainly.com/question/23262569

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2 years ago
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4 years ago
I need help with this word problem.
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Answer:

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Percent means out of 100, so write a proportion:

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The percent of questions he got right is 33 ⅓%.

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