4 years ago

Description for the solutions

1 answer:

3 0

For the first one, if you add 2 equations together, you will get:

4 = 4, which is trivial, irrelevant to x. So it means it has infinite solutions

For the second one, if you add them up, you will get 0 = 12, which is incorrect, and irrelevant to x as well. So it means it has no solutions

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Jackson Middle School has 4 students in choir for every 1 student in band. If there are 48 students in band, how many students a

olchik [2.2K]

I believe it is 192 because 48*4 is 192

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4 years ago

Which polynomial is a product of (3x+2) and (x-7)

pogonyaev

(3x+2) (x-7)

FOIL

first 3x*x = 3x^2

outer 3x*-7 = -21x

inner = 2*x = 2x

last 2*-7 = -14

add them together = 3x^2 -21x+2x -14

combine like terms 3x^2 -19x -14

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3 years ago

There are 32 students in a class. Nine of those students are women. What percent are men?

QveST [7]

Answer:

72%

Step-by-step explanation:

you can divide part of a whole by the whole to get a decimal

this decimal is the percentage when you move the decimal 2 places to the right

32 - 9 = 23 men

23/32 = .72 (rounded)

.72 = 72%

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3 years ago

write a mixed number in simplest form to represent the number of pounds equivalent to each number of ounces . 66 oz = blank lb

sergiy2304 [10]

The answer would probably be 4 1/8 lb

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3 years ago

If it takes 1/5 cup of flour to make 1/8 of a cake, how many cups of flour are needed to make a whole cake

Alexeev081 [22]

Answer:

D.) 1 3/5

Step-by-step explanation:

You need 1/5 cups of flour 8 times so you need to multiply 1/5 by 8.

1/5 × 8 = 8/5

Then simplify.

8/5 = 5/5 + 3/5 = 1 3/5

3 0

3 years ago

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