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2 years ago

2. Which graph is the solution of the following syst

Mathematics

1 answer:

katrin [286]2 years ago

3 0

Answer:

Step-by-step explanation:

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sesenic [268]

I worked this out, and the answer is B.) 14x+6
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What is the answer to -29 + 30?

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I hope this helps you

--29+30

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Type a digit that makes this statement true. HELPPPP MEEEEE PLZZZZZ!!!

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Answer:

Step-by-step explanation:

Ok so basically you want a number that is evenly divisible by 4. Or in other words 4 x ? = 691,61#

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100 + 5 x 4 + 4^3 Don’t mind this .....

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Step-by-step explanation:

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3 years ago

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The senior classes at High School A and High School B planned separate trips to Lake Compounce. The senior class at High School

storchak [24]

Answer:

Number of students in vans =15 and bus =46

Step-by-step explanation:

use variables for the vans and buses

let x= vans and y=buses

Now solve the 2 equations simultaneously

remember to number your equations

6x+7y=412..........1

6x+9y=504.........2

make x the subject of one equation

and label it equation 3

6x=412—7y

$x = \frac{206}{3} - \frac{7y}{6} .............3$

subs 3 into 2

$6( \frac{206}{3} - \frac{7y}{6} ) + 9y = 504$

$412 - 7y + 9y = 504$

$- 7y + 9y = 504 - 412$

$2y = 92$

$y = 46...................4$

subs 4 into 1

$6x + 7(46) = 412$

$6x + 322 = 412$

$6x = 412 - 322$

$6x = 90$

$x = 15$

Therefore there are 15 students in each van and 46 students in each bus.

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2 years ago