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Nitella [24]
3 years ago
13

Equivalent expression for 18x and 9y

Mathematics
1 answer:
alukav5142 [94]3 years ago
4 0
18x+9y
9x+y
x+1/9y
2x+4.5y
x+2.25y
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A device used in golf to estimate the distance d, in yards, to a hole measures the size s, in inches, that the 7-ft pin appears
Nesterboy [21]
This is a proportional problem.
The distance 'd' corresponds to the 9 inches.
The 7-ft pin corresponds to the size 's'.

Convert 7ft to 7/3 yds. This way you have equal ratio of yds to inches.

\frac{d}{9} = \frac{7/3}{s}  \\  \\ d = \frac{21}{s}
7 0
3 years ago
Read 2 more answers
Jake has two pet guinea pigs named fluffy and scruffy. Fluffy is8 1/8 inches long. Scruffy is 10 1/4 inches long. How much longe
miss Akunina [59]

Answer:

Scruffy is 2\frac{1}{8} inches longer than Fluffy.

Step-by-step explanation:

Length of Scruffy = 10\frac{1}{4} inches

Length of Fluffy = 8\frac{1}{8} inches

We have to calculate how much Scruffy is longer than Fluffy.

Difference of their lengths = 10\frac{1}{4}-8\frac{1}{8}

                                            = (10 - 8) + (\frac{1}{4}-\frac{1}{8})

                                            = 2 + (\frac{2-1}{8})

                                            = 2 + \frac{1}{8}

                                            = 2\frac{1}{8} inches

Therefore, Scruffy is 2\frac{1}{8} inches longer than Fluffy.

5 0
2 years ago
The mass of a proton in scientific notation is 1.6 x 10-24 grams. What is the mass of a proton in standard form
borishaifa [10]

Answer:

Step-by-step explanation:

343

4 0
3 years ago
Find three rational number between -5/6and3/8​
ratelena [41]

Answer:

1/4, 1/6 and 1/8(random)

Step-by-step explanation:

Kidding!

Take LCM and after that take random no. between 9/24 and -20/24. I took 6/24, 4/24 and 3/24, which I simplified

3 0
3 years ago
Someone please help me with number 16
Step2247 [10]
Answer:
Area of wall = 94 \frac{47}{48} ft

Explanation:
First, we know that:
1 in = 1/12 ft
Therefore, the dimensions of the wall would be as follows:
H = 7 ft 10 in = 7 \frac{10}{12} ft
B1 = 10 ft 2 in = 10 \frac{2}{12} ft
B2 = 14 ft 1 in = 14 \frac{1}{12} ft

For the trapezium, area can be calculated using the following the following formula:
Area of trapezium = Average base * height = \frac{B1 + B2}{2} * height

Substitute with the given to get the area as follows:
Area of wall = ([10 \frac{2}{12} + 14 \frac{1}{12}] / 2) * 7 \frac{10}{12}
Area of wall = 94 \frac{47}{48} ft

Hope this helps :)
8 0
3 years ago
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