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atroni [7]
3 years ago
7

Please I'm so stuck :( I'm entirely thankful

Mathematics
2 answers:
velikii [3]3 years ago
8 0

Using the lines that you have both read and white values:

Divide the red by the white:

16 / 10 = 1.6

40 / 25 = 1.6

The scale factor is 1.6.

So you have 1.6 L red paint / L white paint

Now multiply the amount of white paint by 1.6 to find the amount of red paint:

4 x 1.6 = 6.4

13 x 1.6 = 20.8

20 x 1.6 = 32

Evgen [1.6K]3 years ago
4 0
Divide the lines given to u
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A shopkeeper bought 50 kg of sugar and sold 1/4th of the sugar. find the mass of sugar that was left​
soldi70 [24.7K]

Answer:

12.5 kg

Step-by-step explanation:

50 divided by 4 = 12.5

6 0
3 years ago
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Write an equation of the line with slope 2/3 that goes through the point -2,5
irinina [24]

Answer:

y = 2/3x + 19/3

Step-by-step explanation:

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3 years ago
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained p
Oliga [24]

Answer:

no of sample within two percentage points  is 5409

no of sample not use prior​ estimates is 8321

Step-by-step explanation:

Given data

E = 2% = 0.02

male m = 21.2 % = 0.212

female f = 19.7 % = 0.197

to find out

no of sample within two percentage points and if does not use any prior​ estimates

solution

first we calculate no of sample within two percentage points

we know Z critical value for 99% is 2.58

so no of sample will be

n = (Z / E )² × m(1-m) + f ( 1-f )

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no of sample within two percentage points  is 5409

in 2nd part no of sample not use prior​ estimates

here than f and m will be 0.5

than

n = (Z / E )² × m(1-m) + f ( 1-f )

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n = (2.58 / 0.02 )² × 0.5 ( 1 - 0.5 ) + 0.5 ( 1 - 0.5 )

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3 years ago
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Alternatively, if you are not familiar with the point slope for equation, you can manipulate the equation to the form of y=mx+b where m is the slope and b is the constant. If you solve for y, you get y=5/2x-1 since 5/2 is in the place of m, we know 5/2 is the slope.

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