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lapo4ka [179]
3 years ago
7

Susan can mow 1/4 of a yard in 1/5 of an hour.At this rate,how many yards can she mow in one hour? Express answer as a decimal.

Mathematics
1 answer:
schepotkina [342]3 years ago
3 0
Find the unit rate:

1/4 yd       1(5)
---------- = -------- = 5/4 yards, or 1 1/4 yards, in one hour.  This is 1.25 yards.
1/5 hr        4(1)
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a golf driving range charges a flat fee of $20 to practice and then $5.75 for a bucket of balls what equation that modela C
maxonik [38]
Y=5.75x +20 ?////////
8 0
3 years ago
Solve for x.<br> A. 6/3<br><br> B. 5<br><br> C. 12<br><br> D. 12.5
belka [17]

Answer:

x=12

Step-by-step explanation:

Using Proportion:

\tt \cfrac{x}{16} =\cfrac{9}{x}

\tt x^2=9(16)

\tt x=12

3 0
2 years ago
Please help me with this problem I tryird but nothing has came up so please help me thank you so much
LenaWriter [7]
To compare fractions , you need to have same denominator.

Just multiply the Numerator and denominator of the fraction by  required number so as to get the common denominator.

for example, In this case , the common denominator is 12.
the first fraction is converted as shown, 5/3=5*4/3*4=20/12
similarly, you can convert others.
Once you have common denominator, just compare numerators.
4 0
3 years ago
Estimate √53 between two numbers to the tenths place.
ZanzabumX [31]

Answer:

  53 lies between 7.2² and 7.3²

Step-by-step explanation:

Estimating a root to the nearest tenth can be done a number of ways. The method shown here is to identify the tenths whose squares bracket the value of interest.

You have answered the questions of parts 1 to 3.

__

<h3>4.</h3>

You are given that ...

  7.2² = 51.84

  7.3² = 53.29

This means 53 lies between 7.2² and 7.3², so √53 lies between 7.2 and 7.3.

53 is closer to 7.3², so √53 will be closer to 7.3 than to 7.2.

7.3 is a good estimate of √53 to the tenths place.

_____

<em>Additional comment</em>

For an integer n that is the sum of a perfect square (s²) and a remainder (r), the square root is between ...

  s +r/(2s+1) < √n < s +r/(2s)

For n = 53 = 7² +4, this means ...

  7 +4/15 < √53 < 7 +4/14

  7.267 < √53 < 7.286

Either way, √53 ≈ 7.3.

__

The root is actually equal to the continued fraction ...

  \sqrt{n}=\sqrt{s^2+r}=s+\cfrac{r}{2s+\cfrac{r}{2s+\dots}}

7 0
2 years ago
100
Tpy6a [65]
This is the most easier question anyone has asked yet. kill me
8 0
3 years ago
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