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Finger [1]
1 year ago
5

How much water must be added to 1 litre of 5% cordial mixture to produce a 4% cordial mixture?

Mathematics
1 answer:
kondaur [170]1 year ago
8 0

Answer:

X=1/4L OR 0.25L OR 250ml.

Step-by-step explanation:

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Recently a study of fans attending the new york mets baseball games was conducted and 500 fans were surveyed. in forming a frequ
Misha Larkins [42]

Relative frequency is the value assigned to each class in the proportion of the total data set that belongs in the class.

Relative frequency formula is :

\frac{class-Frequency}{Total- observations}--------------------(1)

So for class 0 to 5 miles we have 247 fans. So this class frequency is 247.

Total fans surveyed is 500

So plug these values in relative frequency formula given by (1)

relative frequency = \frac{247}{500}

On simplifying we get

relative frequency = 0.494

So choice (c) 0.494 is the right answer

8 0
2 years ago
Chris and Ben walked home from school. The distance Chris walked,in miles, is represented by point C on the number line. Ben wal
Xelga [282]

first you divide the amount of miles chris walked with 1/4 or .25 miles then you will get the answer

3 0
2 years ago
One cube has an edge length 5 cm shorter than the edge length of the second cube. The volume of the smaller cube is 216 cm?. Wha
VLD [36.1K]

Answer:

The volume of the  larger cube is V=1,331\ cm^3

Step-by-step explanation:

Let

x ---> the length of the smaller cube

y ---> the length of the larger cube

we know that

the volume of a cube is equal to

V=b^3

where

b is the length side of the cube

we have

x=y-5 ----> equation A

The volume of the smaller cube is 216 cm^3

so

substitute in the formula of volume

216=x^3

solve for x

x=\sqrt[3]{216}\ cm

x=6\ cm

<em>Find the value of y</em>

x=y-5

6=y-5

y=6+5=11\ cm

<em>Find the volume of the larger cube</em>

V=y^3

substitute the value of y

V=11^3

V=1,331\ cm^3

4 0
2 years ago
Jo is on the phone with a gardener who asks about the square feet of Jo's backyard. Jo counts 20 steps long and 40 steps wide (w
Sever21 [200]

Hey there!

Each step is three feet. This can be represented by 3s= feet. We can plug that in to figure out our side lengths.

20(3)=60

40(3)=120

Now we can multiply these two together to get the area.

120(60)= 7,200

Therefore, his backyard is about 7,200 square feet.

I hope this helps!

4 0
2 years ago
Angel Sanchez has 10 books on a shelf; 5 mysteries, 4 science fiction books, and 1 biography. Determine the probability of each
Cerrena [4.2K]

Answer:

a)  1/10 x 5/10 = 1/20

b) 1/10 x 5/9 = 1/18

Step-by-step explanation:

8 0
1 year ago
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