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oksian1 [2.3K]
2 years ago
8

The seventh and eighth-grade bands held a joint concert. Together, there were 188 band members. If the eighth-grade band is 3 ti

mes as big as the seventh-grade band, how big is the eighth-grade?
Let x=7th band and let y=8th band.

a. 47 eighth-grade band students
b. 63 eighth-grade band students
c. 141 eighth-grade band students

Part B:
Write the two equations for this situation.

Mathematics
1 answer:
bixtya [17]2 years ago
3 0

Answer:

c. 141 eighth-grade band students

Part B:

y = 3x

1/3y = x

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Your friend attempted to factor an expression as shown. Find the error in your friends work. Then factor the expression correctl
loris [4]

Answer:

Third step is incorrect. The correct factored form is (x-1)(2x-5).

Step-by-step explanation:

The given expression is

2x^2-7x+5

We need to find the factored form of this expression.

Step 1: Given

2x^2-7x+5

Step 2: Splitting the middle term method, the middle term can be written as (-5x-2x).

2x^2-5x-2x+5

(2x^2-5x)+(-2x+5)

Step 3: Taking out common factors from each parenthesis.

x(2x-5)-1(2x-5)

Step 4: Taking out common factors.

(x-1)(2x-5)

Therefore, the third step is incorrect. The correct factored form is (x-1)(2x-5).

3 0
3 years ago
Can some solve me this one question
iogann1982 [59]
What is the question?
7 0
3 years ago
0=14pi/9 radians to degrees
DIA [1.3K]

Answer:

280 degrees

Step-by-step explanation:

To change radians to degrees, we can use the conversion factor

180/pi

14 pi/9  * 180/pi

Canceling like terms

14/9 * 180

280 degrees

5 0
2 years ago
Please help me!! Lots of love!!
Marizza181 [45]

Answer:

D) 2

Step-by-step explanation:

write 8 in exponential form which is 2^3

now simplyfy the root which equals 2

2 is the answer.

4 0
3 years ago
Can someone solve my homework questions please ?
gulaghasi [49]
A is not congruent
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