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Oduvanchick [21]
3 years ago
11

Isaac noticed 15 jeeps and motorcycles in the Walmart parking lot when he went to work . He saw 44 wheels . How many of each did

he see ?
steps ?
Mathematics
1 answer:
Iteru [2.4K]3 years ago
5 0

Answer:

7 cars and 8 motorcycles

Step-by-step explanation:

15 cars and motorcycles total, with 44 wheels total.

cars = 4 wheels

motorcycles = 2 wheels

(7 * 4) + (8 * 2)

(28) + (16) = 44

Hope this helped!

(・∀・(・∀・(・∀・*)

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coldgirl [10]
Changing the equation into slope form: y = mx + c, where m is the slope [gradient] and c is the y-intercept.

2x+3y=1470
3y = -2x+1470
y= - \frac{2}{3}x+ \frac{1470}{3}
y=- \frac{2}{3}x+490

The gradient is - \frac{2}{3} and y-intercept is at y=490

Graphing y=- \frac{2}{3}x+490 using slope-intercept method:
a) The slope is a negative slope. The line will go 'down hill'
b) The line must pass the point (0, 490)
c) The line will intercept the x-axis at y = 0
    0 = - \frac{2}{3}x+490
    \frac{2}{3}x = 490
    2x = 1470
    x = \frac{1470}{2}
    x = 735
    So, x-intercept is at (735, 0)

The graph of this function is shown below. The intercepts are labelled at:
y = 490
x = 735

-----------------------------------------------------------------------------------------------------------

Next month's profit equation

2x+3y=1593

Rewriting this into slope-equation form

3y = -2x+1593
y=- \frac{2}{3}+ \frac{1593}{3}
y= - \frac{2}{3}+531

The gradient, m, equals to - \frac{2}{3}
The y-intercept, c, equals to 531

The equation still has the same gradient with last month's profit equation but different y-intercept. 

-------------------------------------------------------------------------------------------------------------

A linear graph show points of (0, 300) and (450, 0)

We work out the slope: 
\frac{300-0}{0-450} = \frac{300}{-450}=- \frac{20}{30}  =- \frac{2}{3}


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3 years ago
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tankabanditka [31]

Answer:

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Step-by-step explanation:

add the terms -3 and 6

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6 0
3 years ago
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Your answer is A. True.

Hope this helps.


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3 years ago
Solve the given proportion for x.  Answer to two decimal places. x/5=16/21​
Angelina_Jolie [31]

\\ \sf\longmapsto \dfrac{x}{5}=\dfrac{16}{21}

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A train travels 250 km with a average speed of 75 km/hr and 350 km with 70km/hr and 200 km with average speed of 30km/hr. What w
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average speed = 53 1/3 km/h

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