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lana [24]
3 years ago
5

Mr Lopez arranges 48 dry erase markers into 8 equal groups for his math station draw a tape diagram and label the number of dry

erase markers
Mathematics
1 answer:
amid [387]3 years ago
7 0
(8) (8) (8) (8) (8) (8) it should look something like that but with dots or a shape instead of a "8"<span />
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Did i get this right? if not could you tell me what it is.
barxatty [35]
Let’s simply step-by-step.
-9+1/4x-6-1/8x
=-9+1/4x+-6+-1/8 x
COMBINE LIKE TERMS:
=-9+1/4 x + -6 + -1/8 x
=(1/4 x + -1/8 x) + (-9+-6)
Answer
=1/8x -15
5 0
3 years ago
An object has been thrown straight up into the air. The formula h = vt - 16t^2 gives the height of the object above the ground a
Oxana [17]

Answer:

8 seconds.

Step-by-step explanation:

To solve this question, we need to find the time, t, when h = 0, that is, when the height of the object above the ground is 0 feet.

Substituting v = 128 feet per second and h = 0 gives  the quadratic:

0 = 128t - 16t^{2}

Since 128 is divisible by 16, it can be reduced to 0 = 16(8t - t^{2}).

We must now solve for t.

We can easily see that one answer to the equation is 0,

8(0) - (0)^{2} = 0 (we need not concern ourselves with the 16 outside of the parenthesis as in the equation above, since 16 multiplied by 0 is 0). However this is the time the object is released into the air.

The second answer, t = 8 is also easy to see by inspection:

8(8) - (8)^{2} = 0.

Therefore the object lands 8 seconds after it is thrown.

6 0
3 years ago
Make b the subject of P = 1/2 a b² + c where b is positive. (3 marks)
mote1985 [20]
That’s the answer to the question
8 0
2 years ago
Math work! Plz help!!
Svetllana [295]
180 + 60x = 2,000

180 is how much money she has already, 60 is how much she makes per week, x is the amount of weeks, and 2,000 is her goal.
5 0
3 years ago
What is the solution to n over 4 equals -12.4
zepelin [54]

The solution to this equation is n= -49.6.

n/4=-12.4

n/4*4=-12.4 * 4

n= -49.6

5 0
3 years ago
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