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3 years ago

In a long jump competition wendy jumped 9/10 and judy jumped 10/9. Who jumped a shorter distance

Mathematics

2 answers:

choli [55]3 years ago

4 0

Wendy because 9/10 = 90% and 10/9 is greater than 100%

Paul [167]3 years ago

3 0

Well, 9/10 is a proper/normal fraction, but with 10/9, the bigger number is on top, making it improper. 10/9 changed into a mixed number is 1 and 1/9. 9/10 is shorter than 1 and 1/9, so Wendy jumped the shorter distance. Hope this helps!

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Setler79 [48]

Answer:

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3 years ago

What is the kinetic energy of a 54 kg mass traveling at 15 meters per second?

kobusy [5.1K]

Given that an object with a mass of 54kg travels at 15m/s^2, determine the kinetic energy of the object.

KE = 0.5 x mv^2

M (mass) = 54kg

V (velocity) = 15m/s^2

Then, we plug the values in.

KE = 0.5 x 54(15^2)

Now, we solve.

KE = 0.5 x 54(225)

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3 years ago

One pound of swordfish costs as much as 1.5 pounds of salmon. Mrs. O pays $39 for 2 pounds of salmon and 3 pounds of swordfish.

Dimas [21]

Answer:

The ratio of the amount for swordfish to the amount of salmon is 6:4

Step-by-step explanation:

Given as :

The price for 1 pound of swordfish = The price of 1.5 pound of salmon

So, On this relation

The price for ( 1 × 2 ) pound of swordfish = The price of ( 1.5× 2 ) pound of salmon

i.e The price for 2 pound of swordfish = The price of 3 pound of salmon

Now According to question

Mrs. O pay the total money for 2 pounds of swordfish and 3 pound of salmon = $ 39

Let the money she pay for swordfish = 2 sw

And The money she pay for salmon = 3 sa

∵, The total money she pay for both = $ 39

I.e 2 sw + 3 sa = 39

As 2 sw = 3 sa

So, 3 sa + 3 sa = 39

Or, 6 sa = 39

or, sa = $\frac{39}{6}$ = $\frac{13}{2}$

∴ sw = $\frac{13}{2}$ × $\frac{3}{2}$

or, sw = $\frac{39}{4}$

Now, the ratio of the amount for swordfish to the amount of salmon = $\frac{\frac{39}{4}}{\frac{13}{2}}$

I.e The ratio = $\frac{6}{4}$

Hence The ratio of the amount for swordfish to the amount of salmon is 6:4

Answer

3 0

3 years ago

What is 3/5 of 3 3/4

murzikaleks [220]

$\dfrac{3}{5}\cdot3\dfrac{3}{4}=\\
\dfrac{3}{5}\cdot\dfrac{15}{4}=\\
3\cdot\dfrac{3}{4}=\\
\dfrac{9}{4}$

5 0

3 years ago

Read 2 more answers