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Elan Coil [88]
3 years ago
6

A boat travels 210 km in 7 hours (with a constant speed). How far can it travel in 8 hours (with the same speed)?

Mathematics
1 answer:
Grace [21]3 years ago
7 0
The boat would travel 240 km in 8 hours
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A book is 0.33 meters long. How many millimeters long is it?
Phoenix [80]

we know that

1\ meter=1,000\ millimeters

so

by proportion

Find how many millimeters are in 0.33 meters

\frac{1,000}{1} \frac{mm}{m} =\frac{x}{0.33} \frac{mm}{m} \\ \\x=1,000*0.33 \\ \\ x=330\ mm

therefore

<u>the answer is</u>

330\ mm

7 0
3 years ago
Subject : Maths<br> Level : High school<br> Topic : Surds<br> Points : 72
Mila [183]

Answer:

  • a = 5

Step-by-step explanation:

<u>Simplify:</u>

  • √5(√8 + √18) =
  • √5*8 + √5*18 =
  • √40 + √90 =
  • √4*10 + √9*10 =
  • 2√10 + 3√10 =
  • (2 + 3)√10 =
  • 5√10

<u>The value of a:</u>

  • a√10 = 5√10
  • a = 5
6 0
3 years ago
1044 fans join a club in the first month after the first month nine new members are allowed to join each month how many members
laiz [17]

Answer:

Total number of members in month 34 is 1341 members.

Step-by-step explanation:

We have given,

Number of fans join a club in first month = 1044

And after the first month nine new members are allowed to join each month.

After first month , Let the number of club members in x months will be given as:

Number of members = 1044 + 9x

We need to find number of members in month 34.

So for first month we already had 1044 members, that mean for remaining 33 months we need to calculate members.

i.e total number of members in month 34 = 1044 + (33×9 )     , {Since x = 33 here}  

OR total number of members in month 34 = 1044 + 297  = 1341 members

3 0
3 years ago
Use the following for long division x^2+3x+1sqrt 3x^4+7x^3+2x^2+13x+5
goldenfox [79]
In plain text, it is appropriate to express the division using a division bar (/) and parentheses around the numerator and denominator:
  (3x^4 +7x^3 +2x^2 +13x +5)/(x^2 +3x +1)

It is best to reserve the square root symbol (√) for an actual square root.

Your quotient is
  3x^2 -2x +5

8 0
3 years ago
Can some one help me please??
lesantik [10]

9514 1404 393

Answer:

  slope: 0.10

Step-by-step explanation:

The independent variable is the number of texts, so that goes in the denominator of the slope ratio.

  slope = (change in cost)/(change in texts)

  = ($30 -25)/(100 -50)

  = $5.00/50

  slope = $0.10 per text

4 0
3 years ago
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