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Dimas [21]
2 years ago
6

Pls help on my maths question

Mathematics
1 answer:
dimulka [17.4K]2 years ago
8 0

Answer:

Somewhat illegible but looks like the equation should be:

S = u t + 1/2 a t^2

100 = 20 + 1/2 * a * 4    where t = 2

a* 4 = 160

a = 40

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Step-by-step explanation:

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3 years ago
Write the set of points greater than or equal to −5−5 but strictly less than 44, excluding 00, as a union of two intervals (if y
Alecsey [184]
What we want to draw is the half closed interval:

                                          I=   [-5, 4) excluding 0,

as the union of 2 different intervals say a and b.

Let a be the interval containing the smallest value.

Then the smallest value of a is -5, and the largest possible value of a is 0, not included, if we want to write a as an interval, without "gaps", or "holes".

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similarly, b=(0, 4).


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7 0
3 years ago
Y=1/2x-3 and 9x-2y=-74 substitution
Luba_88 [7]
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3 years ago
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A polygon is shown:
neonofarm [45]

Answer:

17

Step-by-step explanation:

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Katarina [22]

Answer:

y = -13.5

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Step-by-step explanation:

Hi there!

Let the two numbers be equal to <em>x</em> and <em>y</em>.

The difference of two numbers is 3 ⇒ x - y = 3

Their sum is - 24 ⇒ x + y = -24

Solve using elimination:

x - y = 3

x + y = -24

Add the two equations:

x + x - y + y = 3 - 24

2x = -21

x = -10.5

Solve for y:

-10.5 - y = 3

- y = 3 + 10.5

y = -13.5

I hope this helps!

4 0
3 years ago
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