3 years ago

janet completed 8 math problems in 10 minutes. How long per question did janet spend(in minutes and seconds)?

Mathematics

2 answers:

Dominik [7]3 years ago

5 0

It would take 1.25 minutes to complete each problem because 10 divided by 8 equals 1.25

Xelga [282]3 years ago

5 0

Answer:1.25 minutes

Step-by-step explanation:

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Flying against the wind, a jet travels 5760 miles in nine hours flying with the wind, the same jet travels 5000 miles in five ho

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Answer:

Step-by-step explanation:

9h+5h(5h-5760)-2+12=y

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3 years ago

Solve 3x to the second power -2x-8=0 using an algebraic method

MatroZZZ [7]

Answer:

$x=2\textrm{ or } x=-\frac{4}{3}$

Step-by-step explanation:

Given:

The equation is given as:

$3x^{2}-2x-8=0\\3x^{2}-6x+4x-8=0\\3x(x-2)+4(x-2)=0\\(x-2)(3x+4)=0\\\\x-2=0\textrm{ or }3x+4=0\\x-2+2=0+2 \textrm{ or }3x+4-4=0-4\\x=2\textrm{ or }3x=-4\\x=2\textrm{ or}\\x=-\frac{4}{3}$

Therefore, the possible values of $x$ are 2 and $-\frac{4}{3}$

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3 years ago

Admission to a home and garden show cost $7 per person during the week and $9 per person on the weekend. During one week of the

bulgar [2K]

For b) you already have two possibilities, since you have the intercepts.
(20358, 0) and (0,15834) are two possible points, although not very likely. 

Solve for y: y= (-7/9)x + 15834 

Any multiple of 9 will give whole number answers. 

Let x= 9 
Then y= (-7/9)(9)+ 15834 
Y= 15827 

If you want more reasonable answers, let x= 9000 
Then y= (-7/9)(9000)+ 15834 
Y= 8834

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3 years ago

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The sum of three consecutive integers is 33. Find the numbers.

Rufina [12.5K]

Answer:

Step-by-step explanation:

x+x+1+x+2=33

3x+3=33

3x=30

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so x+1 =11

x+2 =12

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3 years ago

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Answer:

B. 9 Units squared

Step-by-step explanation:

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