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vova2212 [387]
3 years ago
8

What is the average speed of a lizard that runs 100m in 40 s and then runs an additional

Mathematics
2 answers:
SIZIF [17.4K]3 years ago
7 0

Answer: 2.5 m per second

Step-by-step explanation:

100 meters divided by 40 seconds is 2.5 meaning 2.5 meters per 1 second

50 meters divided by 20 seconds is 2.5 ^

Eva8 [605]3 years ago
5 0

Answer:

If this was all at one time, the average speed was 150m per 60s (1 minute).

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4 2/3 divided by 1/2
dimulka [17.4K]

Answer:

9.33333333333

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Substitute x=y+1 into the expression 3x -1 and determine the first step
Kruka [31]

Answer: the solution becomes 3=y+1-1

Step-by-step explanation:

The first step is to combine like terms meaning you subtract 1-1. Then you are left with 3=y.

8 0
3 years ago
Simplify.
Kazeer [188]
(1/2)^2 = 1/4
2-2/3 = 6/3 - 2/3 = 4/3

OK so:
(1/2)^2 - 6(2-2/3) = 1/4 - 6(4/3)
= 1/4 - 8
= 1/4 - 32/4
= -31/4
3 0
3 years ago
find the equation of a line that is parallel to the straight line 2x-y=-3 and crosses the x-axis at x=-5​
Alecsey [184]

Answer:

y=2x+10

Step-by-step explanation:

In line equations its helpful to write your line in the form y = ax + b. This helps because a is always the gadient of the line and b is always the y intercept.

In this case it is y=2x+3

All parallel lines have the same gradient. The gradient of this line = 2.

If the line crosses the x axis at x=-5, then when x =-5 y = 0.

If you put all this in the form y =ax + b you get 0 = 2(-5) +b

So all you need to do to find b is rearrange. b = 10.

Therefore your line has gradient 2 and y intercept 10.

y = 2x + 10

7 0
3 years ago
For which pair of numbers is 7 the greatest common factor (GCF)?
Elanso [62]

Answer:

B cuz both can be divided by 7

5 0
3 years ago
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