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Vaselesa [24]
3 years ago
8

In a paint mixture the following tints are added,200ml of green tint,350ml of blue and 450ml of red tint.Calculate the percentag

e of blue tint in the paint mixture?
Mathematics
1 answer:
dimaraw [331]3 years ago
8 0

Answer:blue = red

Step-by-step explanation:

Is purple 3+1 is 4

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The standard deviation assumes a negative value when
rosijanka [135]

... when the universe grows cold. (Or someone made a typesetting mistake.)

Standard deviation is the square root of a non-negative number. It will NEVER be negative.

8 0
2 years ago
A survey was conducted by an independent price checking company to check an advertiser's claim that it had lower prices than its
Mama L [17]

Answer:

a) critical values ≈ -3.182 and 3.182  shows that there is difference in average prices

b)   H0 : μd = 0

    Ha : μd ≠ 0

Step-by-step explanation:

<u>a) Determine if there is any significant difference in the average prices </u>

using ∝ = 0.05

and  μ( advertiser ) - μ ( competitor ) = μd

test statistic ( t ) =  -3.011

df = 3

hence the critical values ( two tailed test ) =  -3.182 and 3.182. this shows that there is sufficient evidence to show that there is difference in the average prices

<u>b) state the hypothesis</u>

 H0 : μd = 0 ( null )

Alternate hypothesis : Ha : μd ≠ 0

5 0
3 years ago
For triangle ABC with A=103, B=24, a=16, find angle C
Ilya [14]

Answer:

given A=103° , B=24°

In triangle ABC,

A+B+C=180° [angle sum property of triangle]

103°+24°+C=180°

127°+C=180°

C=180°-127°

C=53°

hope it help u dear...

5 0
2 years ago
While playing a video game Ruth earned 5 base points,b, 9 bonus points,x, and 4 advanced points, a. Write an algebraic expressio
Musya8 [376]

b + x + a

Hope it helps you.

7 0
3 years ago
-3(_x + 4) = 9x – 12 Using the distributive property, what number would go in the blank in order for the given statement to be c
Licemer1 [7]

Answer:

-3(-3x + 4) = 9x - 12

Step-by-step explanation:

-3( Ax + 4) = 9x - 12

-3Ax -12 = 9x - 12

Equating coefficients of  x terms on both sides :

-3A = 9

A = -3

Therefore, -3(-3x + 4) = 9x - 12

4 0
3 years ago
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