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melamori03 [73]
2 years ago
12

a student walks 2 kilometers in 30 minutes. What is the students average speed in kilometers per hour?

Mathematics
2 answers:
DerKrebs [107]2 years ago
8 0

Answer:

4 kilometers per hour

Step-by-step explanation:

enot [183]2 years ago
4 0

Answer:

4 km/h

Step-by-step explanation:

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Multiply this expression :: -2/7 • (-3 5/8)​
Helen [10]

Answer: 29/28

Step-by-step explanation:

-2/7 x (-3 5/8)

= -2/7 x -29/8

= 2/7 x 29/8 = 1/7 x 29/4

= 29/28

7 0
3 years ago
You spend $3.40 for a 20 ounce box of cereal what is the rate per ounce
Nataly [62]
3.4/20 divided by 20/20 =.17 The cost per ounce is 17¢
7 0
3 years ago
4x +6y =0
PSYCHO15rus [73]
Here, x - 2y = 14
x = 14 + 2y

Now, substitute this value into first equation, 
4x + 6y = 0
4(14 + 2y) + 6y = 0
56 + 8y + 6y = 0
14y = -56
y = -56/14
y = -4

Substitute it into second equation, 
x = 14 + 2(-4)
x = 14 - 8
x = 6

In short, Your Answer would be: (6, -4)

Hope this helps!
4 0
3 years ago
Read 2 more answers
What is the slope of the line that contains the points in the table?
Debora [2.8K]

Answer:

D

Step-by-step explanation:

The boxes with whole numbers in them written as coordinates:

(-4, -11)

(8, -8)

we know gradient is rise over run, or (y2 - y1) / (x2 - x1)

gradient = (-8 - -11) / (8 - -4)

gradient = 3 / 12

gradient = ¼

4 0
1 year ago
Read 2 more answers
write an eqution in slope intercept form for the line that has the given slope and y intercept: m=-5 and b=-10
Karolina [17]

Answer:

y= -5x + -10

Hope this helps

8 0
3 years ago
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