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liubo4ka [24]
3 years ago
8

What is the answer to 1/4y=7

Mathematics
1 answer:
Alborosie3 years ago
8 0

Answer:

1.75

Step-by-step explanation:

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For the equation 2x^3 -11x^2 + 12x + 9 = 0 , the root of 3 has a multiplicity of
Kobotan [32]

Answer: 2  

Reason:  

2x^3 - 11x^2 + 12x + 9  

= 2x^2(x-3) - 5x(x-3) -3(x-3)  

= (x-3)(2x^2 - 5x - 3)  

= (x-3)^2 (2x + 1)  


3 0
3 years ago
Mr. Sanchez’s class sold fruit pies for $1.32 each and Mr. Kelly’s class sold bottles of fruit juice for $1.77 each. Together, t
aleksklad [387]

Answer:

Part a)

The quantity of fruit pies sold was 42

The quantity of juice bottles sold was 48

Part b) Mr. Kelly’s class earned more money

part c) \$29.52

Step-by-step explanation:

Part a)

Let

x-----> quantity of fruit pies sold

y----> quantity of juice bottles sold

we know that

x+y=90

x=90-y -----> equation A

1.32x+1.77y=140.40 ----> equation B

substitute equation A in equation B

1.32(90-y)+1.77y=140.40

118.8-1.32y+1.77y=140.40

0.45y=140.40-118.8

0.45y=21.6

y=48 bottles of fruit juice

Find the value of x

x=90-y ------> x=90-48=42 fruit pies

Part b) Which class earned more money?

Mr. Sanchez’s class

\$1.32x=1.32*42=\$55.44

Mr. Kelly’s class

\$1.77y=1.77*48=\$84.96

therefore

Mr. Kelly’s class earned more money

Part c) How much more money did that class earn?

Find the difference

\$84.96-\$55.44=\$29.52

6 0
3 years ago
Tanya is training a turtle for a turtle race. For every of an hour that the turtle is crawling, he can travel of a mile. At what
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1 Mile per hour because 1 mile for every hour<span />
5 0
3 years ago
Forty four out of 72 is
Soloha48 [4]
Forty four out of 72 is = 44 / 72

44 / 72          2 into 44 is 22 and 2 into 72 is 36

22 / 36          2 into 22 is 11 and 2 into 36 is 18

11 / 18
6 0
3 years ago
An element with a mass of 970 g decays by 15.1% per minute how much of the element remaining after 14 minutes
Amanda [17]
The amount of the element remaining (y) in grams after time (t) in minutes is defined by the equation y=970(1-.151)^t. Substitute t=14 into the equation and solve for y. y=970(.849)^14=98.06 rounded to two decimal places.
3 0
3 years ago
Read 2 more answers
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