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MA_775_DIABLO [31]
2 years ago
11

The trip from Carville to Planesborough takes 4 1/2 hours when traveling at a constant speed of 70 miles per hour. How long, in

hours, does the trip take when traveling at a constant speed of 60 miles per hour?
Mathematics
2 answers:
gregori [183]2 years ago
5 0

Answer:

5h 15 min

Step-by-step explanation:

70 mph * 4,5 = 315 miles

315 / 60 = 5,25h

5,25h = 5 1/4h = 5h 15 min

Liula [17]2 years ago
3 0

Answer:

6.8

Step-by-step explanation:

i hope tis helps

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Identify any outliers of the data set. Then determine the effect that the outlier has on the mean. 25, 29, 58, 27, 23, 26, 27, 2
Murrr4er [49]

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58

Step-by-step explanation:

58 would increase the mean since it is much higher than the other numbers, making the data inaccurate

7 0
3 years ago
Plz help me with this
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Answer:   \bold{b)\quad \dfrac{x-5}{8}}

<u>Step-by-step explanation:</u>

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3 years ago
joe has a ring weighing 14 grams made of an alloy of 14 % silver and the rest gold. he decides to melt down the rings and add en
Nataliya [291]

With the help of the ratio method, we conclude that 72 grams of sugar should be added.

<h3>What is Ratio Method?</h3>
  • In the ratio method, we compare two quantities by equating their two ratios; this equation is also referred to as a proportion.
  • The cross-multiplication method will be used to solve it.

So, 'n=5' will be the number of rings.

  • 'w = 18 grams' will be the weight of each ring.
  • Total weight: w₀ = n × w = 5 × 18 = 90 grams

Let 's' be silver. Then,

  • New weight: wₙ = s + 90
  • Old % of gold: p₀ = 90% = 0.9
  • New % of gold: pₙ = 50% = 0.5

Now, use the ratio method as follows:

  • \frac{w_o}{w_n}=\frac{p_n}{p_o}
  • \frac{90}{s+90}=\frac{0.5}{0.9}
  • 90 × 0.9 = 0.5 × (s + 90)
  • 81 = 0.5s + 0.5 × 90
  • 81 = 0.5s + 45
  • 81 - 45 = 0.5s
  • 36 = 0.5s
  • 36/0.5 = s
  • 72 = s
  • So, s = 72

Therefore, with the help of the ratio method, we conclude that 72 grams of sugar should be added.

Know more about Ratio Method here:

brainly.com/question/26027272

#SPJ9

The correct question is given below:
A jeweler has five rings, each weighing 18 grams, made of alloys of 10% silver and 90% gold. He decides to melt down the rings and add enough silver to reduce the gold content to 50%. How much silver should he add?

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Tracy is running a trail in Hanna park she can run 1 mile in 10 minutes Yanni is running the same trail as Tracy Johnny can run
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<span>It will take Yanni 20 minutes to catch up with Tracy. This can be determined with the fact that average velocity equals change in distance divided by change in time. Rearrange the equation so that we are solving for the final time, then set Tracy's equation equal to Yanni's equation and solve for the final time.</span>
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What property is -4 + (-3/7)+(-4/7)+7
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The answer is 2 but i'm not really sure about it
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