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professor190 [17]
3 years ago
8

Some bikes and trikes are on the playground. There are 7 seats and 19 wheels. How many bikes are there? How many trikes are ther

e? Show your work.
Mathematics
2 answers:
Rasek [7]3 years ago
8 0
1 bike = 2 wheels, one seat 
<span>so 19 /2 =9.5 =9 wheels </span>
<span>4 bikes </span>
<span>one tricycle = 3 wheels one seat </span>
<span>6 trikes</span>
snow_tiger [21]3 years ago
6 0
Okay here we go!
1. I'm a visual person so i would start by drawing circles for the wheels. 
o o o o o o o o o o o o o o o o o o o 
2. I tried separating them by threes
ooo ooo ooo ooo ooo ooo o
2 By two's 
oo oo oo oo oo oo oo oo oo o
3. then i started to count 
ooo ooo ooo ooo ooo = 15 and i still had 4 left over 
oo oo = 4 and that would equal to 19 wheels!

the answer is: there are 5 trikes and 2 bicycles!!!!!
Hope that helped!
:) 

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(-6,-4) and is parallel to the line x+6y=12
HACTEHA [7]

Answer: y = -\frac{1}{6}x-5

Step-by-step explanation:

x+6y=12

6y=-x+12

y=-\frac{x}{6} + 2

If its parallel it means that the slope will be the same

y = mx + b

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b = -5

Thus,

y = -1/6 x - 5

6 0
3 years ago
What is the solution to the system of equations?<br><br> 6x – 9y = 16<br><br> 2x – 3y = 7
kifflom [539]
The first step for solving this problem is to multiply both sides of the bottom equation by -3.
\left \{ {{6x-9y=16} \atop {-6x + 9y = -21}} \right.
Add the two equations together.
6x - 9y - 6x + 9y = 16 - 21
Eliminate the opposites.
-9y + 9y = 16 - 21
Remember that the sum of two opposites equals 0,, so the equation becomes the following:
0 = 16 - 21
Calculate the difference on the right side of the equation.
0 = -5
This means that the statement \left \{ {{6x-9y=16} \atop {2x-3y=7}} \right. is false for any value of x and y. That means that the answer to your question is (x,y) ∈ ∅,, or no solution.
Let me know if you have any further questions.
:)
8 0
3 years ago
Help quick pls lol I’m doing my homework and it has to be due in 5 minutes
snow_tiger [21]

Answer:

7

Step-by-step explanation:

hurry!

3 0
3 years ago
1 4/9 divided by -2/9
Varvara68 [4.7K]

Answer:

6 1/2

Step-by-step explanation:

change 1 4/9 into a improper fraction, which is 13/9, and when dividing fractions flip the second number upside down then multiply. 13/9 times -2/9 is -117/18. simplify, which is 13/2, which is also equal to 6 1/2. hope this helped

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2 years ago
A nut-raisin mix costs $5.26 a pound. Rashid buys 15.5 pounds of the mix for a party. Rashid’s estimated cost of the nut-raisin
olchik [2.2K]
15.5 times 5.26 is 81.53 and 80 is closest to that so D
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3 years ago
Read 2 more answers
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