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3 years ago

A migrating bird flies 700 miles in 1414 hours. How many miles does it fly in 33 hours

1 answer:

5 0

In 1414 hours it covered 700 miles

In 1 hour it would have covered (700/1414) mile

In 33 hours it will then cover : 700/1414 * 33 = 16.34

So in 33 hours it will cover ≈ 16.34 miles.

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Two smoothies and an ice cream cone cost $7.50. Three smoothies and two ice cream cones cost $12. Calculate the cost of a smooth

anygoal [31]

Answer:

Smoothie = 3

Ice cream = 1.5

Step-by-step explanation:

2s + i = 7.5

3s + 2i = 12

subtract the equations

(3s + 2i) - (2s + i) = s + i

s + i = 4.5

2s + i = 7.5, so s must equal 3 (7.5 - 4.5)

If s = 3, then i is 1.5 (4.5 - 3.5)

To check, plug 3 and 1.5 into s and i.

2(3) + 1.5 = 7.5

6 + 1.5 = 7.5

7.5 = 7.5

3(3) + 2(1.5) = 12

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3 years ago

Please help, been stuck on this for ages!

marishachu [46]

Answer:

$\boxed {192 cm^{2}}$

Step-by-step explanation:

Find the volume of separate cuboids :

Volume (top cuboid) :

⇒ V = 2 x 6 x (10 - 2)

⇒ V = 12 x 8

⇒ V = 96 cm²

Volume (lower cuboid) :

⇒ V = 8 x 6 x 2

⇒ V = 48 x 2

⇒ V = 96 cm²

Volume (prism) :

⇒ 96 + 96

⇒ 192 cm²

8 0

2 years ago

A carpenter is assigned the job of expanding a rectangular deck where the width is one-fourth the length. The length of the deck

leva [86]

Let the width be W, then the length is 4W (since the width is 1/4 the length)

The area of the original deck is $W*4W=4W^{2}$

The dimensions of the new deck are :

length = 4W+6
width=W+2

so the area of the new deck is :

$(4W+6)(W+2)= 4W^{2}+8W+6W+12= 4W^{2}+14W+12$

"the area of the new rectangular deck is 68 ft2 larger than the area of the original deck" means that we write the equation:

$4W^{2}+14W+12=68+4W^{2}$

$14W+12=68$

$14W=68-12=56$

$W= \frac{56}{14}= 4$

the length is $4W=4*4=16$ ft

Answer: width: 4, length: 16

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3 years ago

How do you add and subtract fractions??

Semenov [28]

To add fractions they're suppose to have the same base or denominator then u add the top

To subtract it's the same but u subtract the top

5 0

3 years ago

Read 2 more answers

Yoko pumped

Semmy [17]

Answer: 7 gallons decrease per minute

Step-by-step explanation:

56 gallons / 8 minutes = 7 gallons per minute

to make sure do it backwards: 7 gallons x 8 minutes = 56 gallons :)

4 0

3 years ago

A migrating bird flies 700 miles in 1414 hours. How many miles does it fly in 33 ​hours

A migrating bird flies 700 miles in 1414 hours. How many miles does it fly in 33 hours