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dem82 [27]
3 years ago
12

Lots of Points!!! Please finish these few questions

Mathematics
1 answer:
labwork [276]3 years ago
3 0

Answer:

It's a polygon

Step-by-step explanation:

pls mark me as brainliest

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Find X and Y and show please show calculations
torisob [31]

Answer:

Y = 90

X = 52

Step-by-step explanation:

Y is on a straight line. The sum of the angles on a straight line is 180.

The only other angle (that is marked) on this straight line, is a 90 degree one. So, <y + 90 = 180.

<y = 90.

Now <x + 38 = 90

so, x = 52

6 0
3 years ago
Please help me with this i need this grade
Wittaler [7]

Answer: B/The second answer

Step-by-step explanation:

5 0
3 years ago
Prime Factorization
maks197457 [2]
What's your question
8 0
3 years ago
an obtuse triangle has the side as x-3 on the left and then the right says x then the bottom says x+6 can you find the perimeter
user100 [1]

Answer:

P = (x-3) + (x+6) + x

P = 3x+3

Step-by-step explanation:

To find the perimeter of a figure, you just need to add all sides together. First, you need to set up an equation that adds all sides together. Then, you would need to combine like terms (x+x+x=3x); -3+6=3. So you would take 3x and add 3, since 3 is positive.

Hope this helps!

7 0
3 years ago
The rate of change in sales S is inversely proportional to time t (t &gt; 1), measured in weeks. Find S as a function of t when
Zanzabum

Answer:

<h2>S = 250/t</h2>

Step-by-step explanation:

If the rate of change of sales is inversely proportional to the time t, this is expressed mathematically as ΔS ∝ 1/Δt

ΔS = k/Δt where k is the constant of proportionality

If ΔS = S₂-S₁ and Δt = t₂-t₁

S₂-S₁ = k/ t₂-t₁

If the sales after 2 and 4 weeks are 162 units and 287 units respectively, then when S₁  = 162, t₁ = 2 and when   S₂ = 287, t₂ = 4.

On substituting this values into the given functions, we will have;

287 - 162 = k/4-2

125 = k/2

cross multiplying

k = 125* 2

k = 250

Substituting k = 250 into the function ΔS = k/Δt

ΔS = 250/Δt

S = 250/t

<em>Hence the value of S as function of t when the sales after 2 and 4 weeks are 162 units and 287 units, respectively is expressed as S = 250/t</em>

3 0
3 years ago
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