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Papessa [141]
3 years ago
15

If train A and train B, on a side-by-side roller coaster track, both leave the starting point at 9:00 A.M., at what time will th

ey next leave the starting point together? pls can anyone answer this???
train A:every 8 minutes

train B: every 6 minutes
Mathematics
2 answers:
yKpoI14uk [10]3 years ago
4 0

Answer:

answer 2

Step-by-step explanation:

nikklg [1K]3 years ago
3 0

Answer:

At 9:24 a.m.

Step-by-step explanation: Because if train A arrives every 8 minutes and train B arrives every 6 minutes then every 4 stops train B will meet A and every 3 stops they will see each other.

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What is the slope of the line that passes through the points (4,4) and (10,7)
Alja [10]

Answer:

0.5

Step-by-step explanation:

5 0
3 years ago
(S
dolphi86 [110]

Answer:

26.59 minutes

Step-by-step explanation:

Let's say the time needed to do the driveway combined is x. Sue does y parts of the driveway, and Tom does z parts of the driveway. Combined, y + z = 100% = 1, as they finish the whole driveway.

Next, Tom will take 45 * z minutes to do his part of the driveway. For example, if he did 50% = 0.5 of the driveway, he would take 45 * 0.5 = 22.5 minutes to do it. Similarly, Sue will take 65 *y minutes to do her part of the driveway. Since they will finish at the same time, we can say

45 * z = 65 * y

y + z = 1

Therefore, if we subtract y from both sides of the second equation, we have

z = 1-y

We can then plug 1-y in for z in the first equation to get

45 * (1-y) = 65 * y

45 - 45*y = 65*y

add both sides by 45 * y to separate the y values and their coefficients

45 = 110 * y

divide both sides by 110 to find y

y = 45/110 = 0.409

Use 1-y=z to get z = 1-0.409 = 0.59

Therefore, 45*z = 26.59 = 65*y

5 0
3 years ago
The rule for the dilation of quadrilateral QRST to the image Q'R'S'T' is DO,0.5(x, y) → (0.5x, 0.5y). What are the coordinates o
OLga [1]
Applying the rule for dilation, we will multiply the scale factor to its coordinates. Having Q (0,2) and DO 0.5(x.y), the coordinates of Q' will be:
x = (.5)(0) = 0y = (.5)(2) = 1
Therefore coordinates of Q' is (0,1) 
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4 years ago
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3 years ago
(14+42-6)/10+7^2 order of operation
Rainbow [258]

Answer:

54

Step-by-step explanation:

\dfrac{(14+42-6)}{10}+7^2

Parentheses (14 + 42 - 6) = 50:

⇒ 50/10 + 7²

Exponents 7² = 49:

⇒ 50/10 + 49

Multiplication/division  50/10 = 5:

⇒ 5 + 49

Addition/subtraction:  5 + 49 = 54

⇒ 54

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3 years ago
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