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soldier1979 [14.2K]
3 years ago
12

7. Ravmond looked out the window of his math classroom at the teacher's parking lot and saw a total of 13

Mathematics
1 answer:
wlad13 [49]3 years ago
6 0

Answer:

10 cars and 1 motorcycle.

Step-by-step explanation:

13 cars and motorcycles total, with 42 wheels total.

cars = 4 wheels

motorcycles = 2 wheels

(10 * 4) + (1 * 2)

(40) + (2) = 42

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Find two consecutive integers such that the sum of the greatest integer and twice the lesser integer is 40.​
ziro4ka [17]

Answer:

13 and 14.

Step-by-step explanation:

So we have two consecutive integers.

Let's call the first integer a.

Since the integers are consecutive, the other integer must be (a+1) (one more than the last one).

We know that the sum of the greatest integer (or a+1) and twice the lesser integer (a) is 40. Therefore, we can write the following equation:

(a+1)+2(a)=40

The first term represents the greatest integer. The second term represents 2 times the lesser integer. And together, they equal 40.

Solve for a. Combine like terms:

a+1+2a=40\\3a+1=40

Subtract 1 from both sides. The 1s on the left cancel:

(3a+1)-1=(40)-1\\3a=39

Divide both sides by 3:

\frac{3a}{3}=\frac{39}{3}\\a=13

Therefore, a or the first integer is 13.

And the second integer is 14.

And we can check:

14+2(13)=14+26=40

8 0
3 years ago
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What is the value of 2(5b - 7) in terms of y if b = 3y ?
Nitella [24]
2(5b-7), you can input b as 3y
2(5(3y)-7) —> 2(15y-7) —> 30y -14
—> 30y = 14 —> y = 14/30 —> y = 4.6667
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2 years ago
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Angelina was given $4000 when she turned 3 years old. Her parents
joja [24]

Answer:

234

Step-by-step explanation:

x=4+23

3 0
3 years ago
The equation of a line is 4x−3y=−24.<br><br> What is the x-intercept of the line?
jasenka [17]
-6,0
i hope this helps and the y intercept is
0,8
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Which is the equation of a line that has a slope of 1 and passes through point (5, 3)? A.y = x – 2
gizmo_the_mogwai [7]
Filling in the given values in point-slope equation
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you have
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This simplifies to ...
  A. y = x - 2
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3 years ago
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