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2 years ago

2. Did you know? African elephants are the largest of all land animals! Adult

Mathematics

1 answer:

dexar [7]2 years ago

3 0

Answer:

4000 pounds to 14,000 pounds

Step-by-step explanation:

1 ton = 2000 pounds.

so, basically when you have the number that you're doing into tons, like 7, it goes like 7 x 2, same with the 2 tons! 2 x 2.

Hope this helped :D

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In a naval engagement, one-third of the fleet was captured, one-sixth was sunk, and two ships were destroyed by fire. One-sevent

Otrada [13]

Answer:

60 ships.

Step-by-step explanation:

Let the total number of ships in the naval fleet be represented by x

One-third of the fleet was captured = 1/3x

One-sixth was sunk = 1/6x

Two ships were destroyed by fire = 2

Let surviving ships be represented by y

One-seventh of the surviving ships were lost in a storm after the battle = 1/7y

Finally, the twenty-four remaining ships sailed home

The 24 remaining ships that sailed home =

y - 1/7y = 6/7y of the surviving fleet sailed home.

Hence

24 = 6/7y

24 = 6y/7

24 × 7/ 6

y = 168/6

y = 28

Therefore, total number of ships that survived is 28.

Surviving ships lost in the storm = 1/7y = 1/7 × 28 = 4

Total number of ships in the fleet(x) =

x = 1/3x + 1/6x + 2 + 28

Collect like terms

x - (1/3x + 1/6x) = 30

x - (1/2x) = 30

1/2x = 30

x = 30 ÷ 1/2

x = 30 × 2

x = 60

Therefore, ships that were in the fleet before the engagement were 60 ships.

3 0

2 years ago

I GIVEEEEE BRAINLILST

Pavel [41]

Answer:

73.5

Step-by-step explanation:

HOYAAAAAAAAJIIJUJJ

8 0

2 years ago

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A scientist is interested in the effect of time spent with parents and number of hours

gladu [14]

Answer: If X = 5, z=-3

If X = 37, z= 3.4

Step-by-step explanation:

We know that the formula to find the z-score for any random variable x is given by :-

$z=\dfrac{x-\mu}{\sigma}$

, where $\mu$ = Population mean

$\sigma$ = Population standard deviation.

As per given , we have

$\mu=20\\\\\sigma=5$

Then , the z-score for x =5

$z=\dfrac{5-20}{5}=\dfrac{-15}{5}=-3$

i.e. If X = 5, z=-3

When x =37,then $z=\dfrac{37-20}{5}=\dfrac{17}{5}=3.4$

i.e. If X = 37, z= 3.4

7 0

2 years ago

Work out the value 3x10^-5 x 40,000,000 give you answer in standard form

Olenka [21]

★ Solution:

➣ ${\sf{3\:x\:10^{-5}\:x\:4\:x\:10^7$

➣ ${\sf{(3\:x\:4)\:x\:(10^{-5+(-7)})$

➣ ${\sf{12\:x\:10^2$

➣ ${\sf{1.2\:x\:10^3$

3 0

2 years ago

PLEASE HELP ASAP!!!!

kolbaska11 [484]

Answer:

Step-by-step explanation:

130-89= other angle whic is 41

6 0

2 years ago