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Alex_Xolod [135]
3 years ago
5

Please help!!

Mathematics
2 answers:
tatuchka [14]3 years ago
6 0

Answer:

72

Step-by-step explanation:

80x.90= 72

fgiga [73]3 years ago
6 0

Answer:

72 is your answer

Step-by-step explanation:

You might be interested in
Un automovil gasta 6 litros cada 110 kilometros ¿cuantos kilometros recorrera con 22 litros
natulia [17]

Answer:

403.33 kilometros

Step-by-step explanation:

De la pregunta anterior:

6 litros = 110 kilómetros

22 litros = x

Cruz multiplicar

6 litros × x = 22 litros × 110 kilómetros

x = 22 litros × 110 kilómetros / 6 litros

x = 403.33 kilometros

Así, 22 litros recorrerán 403.33 kilómetros

7 0
3 years ago
Will someone help with this ! I was allowed a retry for it and I don’t know how to do it
pashok25 [27]

Answer:

\frac{dN}{dt}=k(725-N)\\separating the variables and integrating\\\int \frac{dN}{725-N}=\int kdt+c\\-log (725-N)=kt+c\\log (725-N)=-kt-c\\(725-N)=e^{-kt-c} =e^{-kt} *e^{-c} =Ce^{-kt} \\when t=0,N=400\\725-400=Ce^{0} =C\\C=325\\when t=3,N=650\\725-650=325e^{-3k} \\\frac{75}{325}=(e^{-k})^3\\\\e^{-k} =(\frac{3}{13}) ^{\frac{1}{3} } \\when t=5\\725-N=325(\frac{3}{13}) ^{\frac{5}{3} } =325*\frac{3}{13}*(\frac{3}{13} )^{\frac{2}{3}}\\N=725-75*(\frac{3}{13} )^{\frac{2}{3} }=725-28=697

Step-by-step explanation:

6 0
3 years ago
Bill is bisecting an angle with technology. Which of the following describes his next step?
mojhsa [17]

Answer:

the first step is correct

Step-by-step explanation:

the first step is correct

then draw 2 circles with the same radius with centre  D and E ( the point BC intersect the first circle )

Where the 2 circles are intersecting is the point F

Then BF is the bisector

7 0
3 years ago
We learned that division expressions that have the same quotient and remainder are not necessarily equal to each other explain h
olasank [31]
<span>Let's say you divide 25 by 4.  You will get a quotient 6, but have that remainder of 1.  You could also divide 37 by 6, and likewise get a quotient of 6, with a remainder of 1.  The difference is that the remainders are not truly the same.  The first remainder is 1 part out of 4, but the second remainder is 1 part out of 6</span>
6 0
3 years ago
Read 2 more answers
Find an explicit formula for the geometric sequence −1,−7,−49,−343,...-1\,,-7\,,-49\,,-343,... −1,−7,−49,−343
umka21 [38]
So we see it times 7 each time
starting with -1

geometric
an=a1(r)^(n-1)
a1=first term
r=common ratio
first term is -1
r=7

a_n=-1(7)^{n-1} is the formula
also can look like this:
f(n)=-1(7)^{n-1}
7 0
3 years ago
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