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Kamila [148]
3 years ago
5

Mrs. Bell can grade 12 papers in 20 minutes. At this

Mathematics
2 answers:
Andrei [34K]3 years ago
4 0

Answer:

36

Step-by-step explanation:

Elina [12.6K]3 years ago
4 0

Answer:

36 papers in an hour

Step-by-step explanation

Hope this helps.

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Number of subsets of B={p,q,r}​
oksian1 [2.3K]

Answer:

Step-by-step explanation:

B = {p , q , r}

Number of subsets = 2^{n}

Her, n  is the number of elements in the set.

Number of subsets = 2³ = 8

3 0
3 years ago
Please HELP !!!!!!!!!!!!!!! IT IS DUE TODAY :( The circle graph below shows the different ways students get home from Astro-park
Scrat [10]

Answer:

480

Step-by-step explanation:

1200 times 0.4 equals 480

3 0
3 years ago
Expand and Simplify (x-2)^2
Soloha48 [4]

Answer:

\boxed{\ x^2-4x+4 \ }

Step-by-step explanation:

(x-2)^2 = (x-2)(x-2)=x(x-2)*-2(x-2)=x^2-2x-2x+4=x^2-4x+4

3 0
3 years ago
Walter buys a bus pass for $30 every time he rides the bus money is deducted from the value of the pass he rode 12 times and $24
klemol [59]
So each time, 24/12 or $2 was deducted per trip

he has 30-24=$6 left

$6/$2=3, he has 3 trips left

I wonder what your question is
6 0
3 years ago
Please help! Thanks (:
ryzh [129]
\frac{x*x}{2}=49 \\  \\ x^2=49*2\\x^2=98 \\x= \sqrt{98} \approx 9.9 \ in
3 0
3 years ago
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