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Pavlova-9 [17]
3 years ago
7

( 9 × 10 2 ) + ( 7 × 10 3 )

Mathematics
2 answers:
timurjin [86]3 years ago
6 0
If the 2 and 3 are powers then it should be 7900 in standard form it would be 7.9x10^3
Degger [83]3 years ago
3 0

Answer:

2/5    or 0.4

Step-by-step explanation:   i'm smart

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The area of the circle shown below is 100π. What is the diameter (D) of the circle?
Phoenix [80]
\bf \textit{area of a circle}\\\\
A=\pi r^2~~
\begin{cases}
r=radius\\
-----\\
A=100\pi 
\end{cases}\implies 100\pi =\pi r^2
\\\\\\
\cfrac{100\pi }{\pi }=r^2\implies 100=r^2\implies \sqrt{100}=r\implies \boxed{10=r}

since a diameter is twice as long as the radius, this one is also 2r.
8 0
3 years ago
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Does anyone know this? Pls help
USPshnik [31]
12 maybe ? i’m not completely sure
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3 years ago
Audrey and Lauren began reading a novel on the same day. Audrey reads 14 pages a day and Lauren reads 7 pages a day. If Audrey i
il63 [147K]

Answer:

42/14=3

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Step-by-step explanation:

5 0
4 years ago
Part a
Lunna [17]
A) if 3.5 fudge is 18.20 then 3.5 times 2 is 7 then 18.20 times 2 is 36.40 which is how much it will cost.
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7 0
3 years ago
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M∥n, m∠1 = 50°, m∠2 = 48°, and line s bisects ∠ABC. What is m∠3?
Nutka1998 [239]

Answer

m<3  = 49°

Step-by-step explanation:

It is given that,


M∥n, m∠1 = 50°, m∠2 = 48°, and line s bisects ∠ABC


m<DEF = m<1 + m<2 = 50° + 48° = 98°


Corresponding angle of <DEF is equal to <ABC = 98°


To find m<3


< 4 = <5 = 98/2 = 49° (Since line s bisects ∠ABC)


Therefore,

m<3 = 49°  (< 4 and <3 are vertically opposite angles)



5 0
3 years ago
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