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Elan Coil [88]
3 years ago
14

If x= 27 and y= 54 then what does w equal

Mathematics
2 answers:
beks73 [17]3 years ago
4 0
The answer is 81 because 27 x 3
alexandr1967 [171]3 years ago
3 0
81 is the answer I hope this helps!
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28/7=4. As a result, the constant of proportionality is 4. Hope it help!
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3 years ago
If Dominik completes a project by himself, it will take him 8 hours. Working with Katarina, it will take them 5 hours. If they w
Marysya12 [62]
The main formula we use here is Work=Rate*Time,


1. The rate (speed of working) of Dominik is 

r_D=1project/8hours= \frac{1}{8}(prj/h)

2. Let the the rate of Katarina be r_K=x(prj/h)

Together they have a rate of r_D_K equal to \frac{1}{8}+x (project per hour)

so (\frac{1}{8}+x) ( \frac{proj}{hr})*5(hr)=1(proj)

simplify the units:

(\frac{1}{8}+x) *5=1

\frac{1}{8}+x = \frac{1}{5}

x= \frac{1}{5}- \frac{1}{8}= \frac{8-5}{40}= \frac{3}{40}

so the rate of Katarina is 3/40 (proj per hour)

Now, the rate of Dominik was 1/8 (pr/hr)=5/40 (pr/hr)

In 5 hours Dominik complets 5*5/40=25/40 of the project

Katarina completes 5*3/40=15/40 of the project.
7 0
2 years ago
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Are these answers correct?
Rainbow [258]

Answer:

Yes, your answers are correct!

Step-by-step explanation:

8 0
2 years ago
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Kara paid $24.64 to ship 11 packages. Each package was the same size and weight. How much did it cost to ship 1 package
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Answer:

$2.24

Step-by-step explanation:

The shipping cost for one package was 1/11 of the total shipping cost.

... 1/11 · $24.64 = $2.24

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John rode 2 kilometers on his bike and his sister rode 3000 meters who rode the farthest and how much farther did they ride.(ans
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John 2km
sister 3km
his sister rode the fastest
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3 years ago
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