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alexandr1967 [171]
3 years ago
14

I need to know how to do 5 & 6 if someone could please help me

Mathematics
1 answer:
ehidna [41]3 years ago
8 0
G and c you see look 2 times and look at the lines
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Which expression calculates the speed in meters per second of an object that travels a distance of 40 m every 10 s?
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40 times 10, every 10 seconds you go 40 miles...
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Simplify: 40÷4+2×6÷4-3
Strike441 [17]
12 x 6 I think ur answer would be...
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Which inequality is NOT true when x= -2?
Levart [38]

Answer: D

Step-by-step explanation:

-7 isn't greater than -4

3 0
2 years ago
Help me please i dont understand
ELEN [110]

Answer:

6/5 or 1.2, they're the same value

Step-by-step explanation:

When it says "rate of change", it's really just asking for the slope. If you don't know what the slope is, essentially how much the y-value increases by whenever x increases by 1. This can be formally defined using the equation: \frac{y_2-y_1}{x_2-x_1} which is essentially \frac{rise}{run}. The subtraction is finding the difference between the two numbers to see how much it's changed by. Btw the order doesn't matter, I could plug in (-3, -2) as (x2, y2) or I could plug it in as (x1, y1) as long as I make sure to input it in correctly. In this example I'll just say (-3, -2) = (x1, y1) and (2, 4) = (x2, y2). Plugging these values into the equation gives you: \frac{4- (-2)}{2- (-3)} = \frac{6}{5} that's the rate of change

8 0
2 years ago
Please help me with the 3rd question!!! I'll give you 91 points now, please.
saw5 [17]

Answer:

At the end of the day 797 lockers were closed.

Step-by-step explanation:

So first of all you need to find out how many even numbers there are from 1-900 (which is 450) so you know that 450 are open. In the 3 multiplication tables every second number is even so you know that half of the 450 lockers that was opened was closed again: this meant that 225 lockers remained open.

You also know that every number in the 4 multiplication tables is the second number in the 2 multiplication tables so half of them are closed but you also know that the 900th locker was opened so now you have 113.

So to conclude you do 900-113 which gives you 797 (this is because 113 is the amount of lockers that is open)

3 0
3 years ago
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