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adelina 88 [10]

1 year ago

5

Why is cereal is packaged in rectangular boxes?

1 answer:

dlinn [17]1 year ago

4 0

Answer:

A rectangular solid offers more volume while still maintaining a width acceptable to be gripped by one hand. Considering the average grip width available to humans is a couple inches wide, cereal boxes conform to this to allow one handed pouring.

Step-by-step explanation:

Try writing this on your own words if you want :)

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Which is the simplified form of

Rufina [12.5K]

Answer:

1 1

------ + -------

r^7 s^12

Step-by-step explanation:

r^(-7) + s^(-12) can be re-written as

1 1

------ + ------- by putting to use the rule:

r^7 s^12

1

x^(-a) = ----------

x^a

4 0

3 years ago

Read 2 more answers

Train a And train b leave Central Station at the same time they travel the same speed but in opposite direction with a train a h

kramer

Answer:

Both trains are traveling at 90 miles per hour.

Step-by-step explanation:

We are told that the rate is the same for both trains, and we know that the distance traveled by train a plus the distance traveled by train b equals 585 miles.

We will use $Distance=Rate* Time$ formula to solve this problem.

Train A: $D_a=R*2.5$ (Using 2.5 instead of 2 and 1/2)

Train B: $D_b=R*4$

We can set an equation to solve for rate R of trains as:

$D_a+D_b=585$

$2.5R+4R=585$

$6.5 R=585$

$R=\frac{585}{6.5}$

$R=90$

Therefore, rate of both train a and train b is 90 miles per hour.

6 0

3 years ago

Read 2 more answers

Which is steeper: a line with a slope of 2/5 or a line of 5/2? How do you know? Explain.

ELEN [110]

5/2 because 5/2 is greater than 1, an improper fraction that does not take a piece of 1 but rather considers whole numbers as that origin

3 0

3 years ago

Jane wants to save money to buy a motorcycle. She invests in an ordinary annuity that earns 4.2% interest, compounded quarterly.

Sauron [17]

Answer:

she need to pay is $550.40

Step-by-step explanation:

given data

interest = 4.2 % compounded quarterly = 0.042 / 4 = 0.0105

future value = $7000

time = 3 year = 3 × 4 = 12 months

to find out

How much money she need to pay

solution

we will apply here formula for future value for compound quarterly

that is

future value = principal × $\frac{(1+r)^{t} -1 }{r}$ .............1

put here all these value

future value = principal × $\frac{(1+r)^{t} -1 }{r}$

7000 = principal × $\frac{(1+0.0105)^{12} -1 }{0.0105}$

principal = 550.40

so she need to pay is $550.40

3 0

2 years ago

Write the standard form of the equation of the line passing through the point -2, two and perpendicular to the line 5x-y=-4

PtichkaEL [24]

Answer:

..

Step-by-step explanation:

7 0

2 years ago