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3 years ago

Which situation could be modeled by the expression 74 + (- })?

Mathematics

1 answer:

nignag [31]3 years ago

3 0

Answer:

the answer is d

Step-by-step explanation:

the answer is d because its the only one with 74 cups in it, when 74 cups is a crucial part of the problem

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10. Eddie and his sister walked from home to school. His sister started walking at 8.00 am at an average speed of 50 m/min. Eddi

rewona [7]

Answer:

The distance between Eddie's home and the school is 3000 m

Step-by-step explanation:

Consider the provided information.

His sister started walking at 8.00 am at an average speed of 50 m/min. Eddie started walking at 8.05 am at a speed of 60 m/min. Eddie caught up with his sister at mid-point between the school and his home.

Let the distance between school and home is x.

Let t is the time taken by Eddie sister to reach at mid-point between school and home.

Eddie caught up with his sister at mid-point between the school and his home.

That means his sister covers x/2 distance.

$Time=\frac{Distance}{Speed}$

Speed of Eddie sister is 50 m/min.

$t=\frac{\frac{x}{2}}{50}$ .....(1)

Eddie started walking at 8.05 am at a speed of 60 m/min.

$t-5=\frac{\frac{x}{2}}{60}$

$t=\frac{\frac{x}{2}}{60}+5$ .....(1)

Equate both the equation as shown:

$\frac{\frac{x}{2}}{50}=\frac{\frac{x}{2}}{60}+5$

$\frac{x}{100}=\frac{x}{120}+5$

$\frac{x}{100}-\frac{x}{120}=5$

$\frac{12x-10x}{1200}=5$

$2x=6000$

$x=3000$

Hence, the distance between Eddie's home and the school is 3000 m

5 0

3 years ago

What number is equivalent to 1/9

ludmilkaskok [199]

2/18 and 4/36 - all you have to do is multiply the numerator and the denominator by the same number - remember what you do to the top always do to the bottom.<span />

4 0

3 years ago

You and your friend chip in to buy a new gaming computer, which costs $1024. How much do each of you pay for the new gaming comp

Paul [167]

Answer:

512 dollars

Step-by-step explanation:

If you both are paying equal which means half of the total price, it will be 512 dollars each.

5 0

2 years ago

Simplify the following expression:

elena-s [515]