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3 years ago

13

Variable a is 4 more than variable b. Variable a is also 1 less than b. Which of the following pairs of equations best models th

e relationship between a and b?
a = b + 4
a = b − 1
a = 4b
a = b + 1
b = a + 4
b = a − 1
b = 4a
b = a + 1

1 answer:

Elis [28]3 years ago

4 0

B=a+4 that is what the answer will be.

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PLEASE HELP WILL MARK BRAINLIEST

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Answer:

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Step-by-step explanation:

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Eugenia walked all the way to school at 3 mph then realized she forgot her math book (how could she?!), so she ran back at 7 mph

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Let us say distance between Eugenia's home and school is x miles.

Speed of Eugenia when she walked from home to school = 3 mph

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We know that the speed distance formula is given by:

$speed=\frac{distance}{time}$

$time=\frac{distance}{speed}$

Time taken by Eugenia when she walked from home to school = x/3 hours

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Total time taken = x/3+x/7

So forming an equation we have,

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Taking lcd of 7 and 3 as 21,

$\frac{7x}{21}+\frac{3x}{21}=0.75$

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Dividing both sides by 10 , we have

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Step-by-step explanation:

Distance

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Step-by-step explanation:

We need to write out the expressions

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Therefore the median will be the middle element,

Median of P= ½y

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And 1.5y>1.5y

Then we can agree that the median of R is greater than the median of both P and Q

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