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MArishka [77]
3 years ago
6

In how many ways can a teacher arrange 5 students in the front row of a classroom with a total of 20 students?

Mathematics
1 answer:
makkiz [27]3 years ago
7 0
C, 60,480 i took thiis  before it easy as
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Solve −2(−4n + 1)+5(25n − 8)=−62. <br><br><br><br> n= ?
In-s [12.5K]
N= -20/133

Step 1: Simplify both sides of the equation.
−
2
(
−
4
n
+
1
)
+
5
(
25
n
−
8
)
=
−
62
(
−
2
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(
−
4
n
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+
(
−
2
)
(
1
)
+
(
5
)
(
25
n
)
+
(
5
)
(
−
8
)
=
−
62
(Distribute)
8
n
+
−
2
+
125
n
+
−
40
=
−
62
(
8
n
+
125
n
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+
(
−
2
+
−
40
)
=
−
62
(Combine Like Terms)
133
n
+
−
42
=
−
62
133
n
−
42
=
−
62
Step 2: Add 42 to both sides.
133
n
−
42
+
42
=
−
62
+
42
133
n
=
−
20
Step 3: Divide both sides by 133.
133
n
133
=
−
20
133
n
=
−
20
133
5 0
2 years ago
Read 2 more answers
Evaluate <br> x<br> — + 6(x-12) when x=12<br> 4
Ghella [55]

Answer:

3

Step-by-step explanation:

x=12

12/4 + 6(12-12)

12/4 +6(0)

12/4 + 0

3+0

3

5 0
2 years ago
Change to a mixed number. 13/3
miss Akunina [59]

Answer:

4 and 1/3

Step-by-step explanation:

3 can go into 13 4 times with one left over

my rank is expert

hope this helps

5 0
2 years ago
Suppose you have the following recursion formula a1 = 1, a2 = 2, and an = a(n - 1)+ a(n - 2) for integers n ≥ 3. How would you d
Firlakuza [10]
\left\{\begin{array}{ccc}a_1=1\\a_2=2\\a_n=a_{n-1}+a_{n-2}&for\ n\geq3\end{array}\right\\\\a_3=a_{3-1}+a_{3-2}=a_2+a_1\to a_3=2+1=3\\\\a_4=a_{4-1}+a_{4-2}=a_3+a_2\to a_4=3+2=5\\\\a_5=a_{5-1}+a_{5-2}=a_4+a_3\to a_5=5+3=8\\\vdots
6 0
3 years ago
&lt;, &gt;, =
AURORKA [14]
96 fluid ounces < 13 cups
25 pounds > 384 ounces
8 yards = 288 inches

Have a nice day!
6 0
3 years ago
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