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Slav-nsk [51]
3 years ago
13

A rock climber averages 12 3/5 feet per minute. Write and solve an equation to find how many feet x the rock climber climbs in 3

0 minutes.
An equation is______=1235.

The rock climber climbs_______feet in 30 minutes.
Mathematics
1 answer:
Nikolay [14]3 years ago
6 0
Set up a proportion. If 12 3/5 feet can be traveled in one minute, then make that a fraction. 12 3/5 over one equals X over 30. Cross multiply 12 3/5×30 equals 1 X and solve.
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What is the median of the following numbers? 4, 5, 5, 2, 1, 3, 4, 5, 4, 4, 4, 7
Katen [24]

Answer:

4

Step-by-step explanation:

Rewrite is order going from least to greatest.

1, 2, 3, 4, 4, 4, 4, 4, 5, 5, 5, 7

Find the middle number.

Because there are an even amount of numbers you have to take the two middle numbers which are 4 and 4 add them which gives you 8 and then divide that by 2( because you added two numbers.)

Therefore the answer is 4

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Minus A plus 6 a ncert solution class 9​
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3 years ago
6n+3=2 use a table..
netineya [11]
What are asking for? The solution?
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8 0
3 years ago
Please answer each part of the question in full detail. I will give 29 points and brainliest!!
mamaluj [8]

Answer:

Step-by-step explanation:

a) Price of 4 bowls of soup + 6 hamburgers = $30

4s + 6h = 30 ---------------------(I)

Price of 1 bowl of soup + 3 hamburgers = $ 12.75

s + 3h = 12.75 -------------------(II)

b) s = 12.75 - 3h

Substitute the value of s = 12.75 - 3h in equation (I)

4*(12.75 - 3h) + 6h = 30

4*12.75 - 4 *3h  + 6h = 30

51.00 - 12h + 6h = 30

51 - 6h = 30   {Now subtract 51 from both sides}

51 - 6h - 51 = 30 - 51

-6h = -21    {Now, divide both sides by (-6)}

-6h/-6 = -21/-6

h = 3.50

Price of one hamburger = $3.50

Substitute the value of h in equation (II)

s + 3 *3.50 = 12.75

s + 10.50 = 12.75   {Subtract 10.50 from both sides}

s + 10.50 - 10.50 = 12.75 - 10.50

s = 2.25

Price of one soup = $ 2.25

c) Price of 1 soup and 1 hamburger = 2.25 + 3.50

 Price of 1 soup and 1 hamburger = $ 5.75

7 0
3 years ago
Draw fraction rectangles on dot paper to solve the problems.
juin [17]

Answer:

1) \frac{7}{20}

2) 1\frac{1}{12}

3) \frac{7}{8}

Step-by-step explanation:

1) Given problem,

\frac{3}{5}-\frac{1}{4}

LCM(5,4) = 20,

\frac{3}{5}=\frac{3\times 4}{5\times 4}=\frac{12}{20}

\frac{1}{4}=\frac{1\times 5}{4\times 5}=\frac{5}{20}

\implies \frac{3}{5}-\frac{1}{4}=\frac{12}{20}-\frac{5}{20}=\frac{7}{20}

2) Given problem,

\frac{5}{6}+\frac{1}{4}

LCM(6, 4) = 12,

\frac{5}{6}=\frac{5\times 2}{6\times 2}=\frac{10}{12}

\frac{1}{4}=\frac{1\times 3}{4\times 3}=\frac{3}{12}

\implies \frac{5}{6}+\frac{1}{4}=\frac{10}{12}+\frac{3}{12}=\frac{13}{12}=1\frac{1}{12}

3) ∵ Pizza ate by Manny = \frac{1}{4}

Pizza ate by Frank = \farc{5}{8}

∴ Total pizza eaten = \frac{1}{4}+\frac{5}{8}

LCM(4, 8) = 8,

\frac{1}{4}=\frac{2}{8}

Thus, total pizza eaten =  \frac{2}{8}+\frac{5}{8}=\frac{7}{8}

6 0
3 years ago
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