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babymother [125]
2 years ago
15

2.5kg of apples cost £3.60 work out the cost of 3.5kg of apples

Mathematics
1 answer:
professor190 [17]2 years ago
3 0

Answer:

£5.04

Step-by-step explanation:

Let's first find the unit cost.

£3.60/2.5kg = £1.44/kg

To find out how much money 3.5kg of apples costs, we simply need to multiply the unit price by 3.5.

£1.44/kg * 3.5kg = £5.04.

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2 years ago
A parachutist descends 44 feet in 4 seconds. Express the rate of the parachutist's change in height as a unit rate.
Montano1993 [528]

The unit rate of the parachutist change in height is 11 feet per second.

   • In Mathematics, Unitary method is a technique for solving a question by first finding the value of a single unit and then finding the required value by multiplying the number by value of single unit .

   • We use unitary method to find the ratio of one thing with respect to other thing.

   • There are two types of unitary method one is Direct Variation and the other is Inverse variation.

We have the rate of descend as 44 feet in 4 sec.

So, in 1 second it will be = 44 / 4 = 11 feet.

Which is the unit rate.

Therefore, the unit rate of descend for the parachutist is 11 feet per second.

Learn more about unit rate here:

brainly.com/question/19493296

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5 0
1 year ago
Consider the following two expressions, the only difference being the presence or absence of parentheses. expression 1:expressio
PilotLPTM [1.2K]

Answer:

Please see attachment

Step-by-step explanation:

Please see attachment

7 0
3 years ago
Mary wants to fill in a cylinder vase.At the flower store they told her that the vase should be filled 3/4 for the flowers to la
borishaifa [10]

<u>Answer:</u>

Approximately 377 cubic inches of water.

<u>Step-by-step explanation:</u>

We know that Mary wants to fill in a cylinder vase and she was told that the vase should be filled 3/4 for the flowers to last the longest. We are to find how much water should she pour into the vase.

So first, we will find the height of the water:

=\frac{3}{4} *10=7.5 inches

Then, find the volume of the water of this height:

Volume = \pi *4^2*7.5 = 376.9

Therefore, Marry should pour approximately 377 cubic inches of water.


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3 years ago
Show that pentagon CDEFG is similar or not similar to pentagon PQRST.
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Step-by-step explanation:

4 0
3 years ago
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