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Serjik [45]
3 years ago
15

Help plz 10 points its math, well darn bet you know that-

Mathematics
2 answers:
marishachu [46]3 years ago
6 0

Answer:

2

Step-by-step explanation:

let x be the missing place

28/100=x/10 + 8/100

multiply through by 100

28=10x +8

28-8=10x

20/10=x

2=x

Alex73 [517]3 years ago
4 0
2, because 2/10=20/100. 28/100=2/10 + 8/100
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The Pythagorean Theorem
Murljashka [212]

Answer:

No it won't

Step-by-step explanation:

Because if the length of the door is either 30 or 84 it wont fit because both of those numbers are less than 86

3 0
3 years ago
Factor then solve.<br>1.81 - 4x²=0<br>2. 4s² + 9 = 12s
elena-14-01-66 [18.8K]
1.\\81-4x^2=0\\\\9^2-(2x)^2=0\\\\(9-2x)(9+2x)=0\iff9-2x=0\ \vee\ 9+2x=0\\\\-2x=-9\ \vee\ 2x=-9\\\\x=4.5\ \vee\ x=-4.5

=============================================================

2.\\4s^2+9=12s\\\\4s^2-12s+9=0\\\\(2s)^2-2\cdot2s\cdot3+3^2=0\\\\(2s-3)^2=0\\\\(2s-3)(2s-3)=0\iff2s-3=0\\\\2s=3\\\\s=1.5
7 0
3 years ago
Read 2 more answers
Plz help me with this
Agata [3.3K]

Answer:

It's the first option.

Step-by-step explanation:

y = cos x transformed  to cos (x - π/2) moves  the graph  π/2 units to the right.

Multiplying by 3 to give 3 cos(x -  π/2)  stretches the graph 3 units parallel to the y-axis and adding 3 to this moves the graph up 3 units.

So the required equation is y = 3(cos x -  π/2) + 3.

3 0
3 years ago
Use the compound interest formula, . If $10,000 is invested at 2 percent quarterly for 5 years, what is the amount at the end of
Sonbull [250]
<span>The answer to this question is either 6.16778% or 6%

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4 0
4 years ago
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PICTURE PLEASE HELP.
aksik [14]
By pythagorean theorem

a^2+b^2=c^2

We can find that PL is 12.65

and then by altitude theorem

MA*LA=PA^2

we can find the value of MA

12MA=16

MA=1.33

then by the pythagorean theorem

we can use to find PM

MA^2+PA^2=PM^2

so PM=4.22

then to find the are you multiply length by width

PM*PL

12.65*4.22

So the area is 53.38
8 0
4 years ago
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