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xz_007 [3.2K]
2 years ago
11

The cost of five dinners in a restaurant is Rs 1,200. If 13% VAT is charged

Mathematics
1 answer:
riadik2000 [5.3K]2 years ago
5 0

Answer:

Step-by-step explanation:

  • 1200/5=d
  • d=240rs
  • 240+240*13/100=d+ vat
  • 240+31.2=d+ vat
  • d+ vat=271.2rs
  • 5d+vat=271.2rs*5
  • <u>5d+ vat=</u><u>1356rs</u>
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An empty 6-gal water jug weighs 0.5 lb. With 3 c of water inside, the jug weighs 2 lb. Which equation models the jug’s weight y
nikdorinn [45]
The slope would be 2/3 because that would leave pounds when multiplied by cups.

add 0.5 for the weight of the water jug

y = (2/3)x + 0.5
3 0
3 years ago
A star-patterned quilt has a star with the angles shown. What is the value of X? The diagram is not to scale.
hodyreva [135]
I want to say 81°

Here's how I found that:

The angle 105° is on a straight line showing the outer obtuse angle. A straight line is 180°.
180-105=75.
Therefore that inner angle of the 105° is 75°.

We are also given the top angle of 24°.

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Last angle should be 81°
5 0
3 years ago
The longest leg of a right triangle is 30 feet and another side is 20 feet. Find the perimeter of the triangle. Round to the nea
abruzzese [7]

Answer: 72.4 ft

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7 0
3 years ago
The sum of two numbers is 90. their difference is 12. what are the numbers?
Kay [80]

39 and 51

The way to figure this out is to divide 90 by two

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45 + 6 = 51

7 0
3 years ago
Read 2 more answers
MATH 25 POINTS!! DUE TODAY! PLEASE HELP!! ASAP!!
frez [133]

1. There is a correlation between scores of an assessment and prep hours

I'm assuming there's no other figure or anything; that this is the entire problem.

I'll further assume by correlation they mean positive correlation - more  hours studying means a better score.

<u>Slope of 2.35 is reasonable.</u>  CHECK

Correlation doesn't tell us what the slope is; any positive slope is reasonable.  It will depend on the scoring levels of the test.

<u>Correlation should be fairly strong to strong</u>

If all we know is correlation we don't know if it's strong.  No check.

<u>Based on the study, ... sleep ...</u>

We don't know anything about sleep; no check

<u>Causation ...</u>

It's an old saw: Correlation does not imply causation.  No check

<u>A value of r = -.88 is reasonable</u>

Here when we say there's a correlation we seem to mean a positive correlation, so I'm going with not reasonable, no check.

2. Correlation between # training days and amount of rainfall.   Increasing rainfall during spring training, less after.

Here we have what's likely a negative correlation -- more rain means less training.

<u>r = 0.79 is possible</u>

I'll go with no check here because we expected a negative correlation.

<u>... causation ....</u>

No check.

<u>high amount of rainfall</u>

Correlations tells us how the variations from average of two things line up. The value of the average itself doesn't matter.  No check

<u>Strength of correlation is hard to determine with information given</u>

That's a CHECK.  We have no information on the strength.

<u>Slope = -9.84 is reasonable</u>

<u>CHECK</u>

It's negative; the exact value will depend on units of things.

6 0
3 years ago
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