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2 years ago

Part A

Mathematics

2 answers:

Diano4ka-milaya [45]2 years ago

5 0

Answer:

24 Blue beads

16 Green beads

Step-by-step explanation:

.60×40=24

.40 ×40=16

Whenever you get a percentage move the decimal two places left and multiply by the total number.

example: 2% of 20 is 2.00 of 20, so move the decimal 2 spots to the left. .002×20=.04

Daniel [21]2 years ago

4 0

Answer (Part 1): 16 blue beads

Explanation: 40 x 0.6 = 16 ; 0.6 is equal to 60% *just in decimal form

Answer (Part 2): 24 green beads

Explanation: 40 x 0.4 = 24 ; 0.4 is equal to 40% *just in decimal form

(Hope this helps! and please mark as Brainliest!)

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2 years ago

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Barb solved the following equation: 4(3x – 12) = 5(2x + 6)

katrin2010 [14]

Answer:

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Step-by-step explanation:

4(3x – 12) = 5(2x + 6)

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12x - 10x = 30 + 48

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3 years ago

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Is 0.007 x 10 equivalent to 0.07

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3 years ago

Bob's gift shop sold a record number of cards for Mother's Day. One salesman sold 24 cards, which was 20% of the cards sold for

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Step-by-step explanation:

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3 years ago

The mean amount spent by a family of four on food per month is $500 with a standard deviation of $75. Assuming that the food cos

JulijaS [17]

Answer:

The probability that a family spends less than $410 per month

P( X < 410) = 0.1151

Step-by-step explanation:

Step(i):-

Given mean of the population = 500

Given standard deviation of the Population = 75

Let 'X' be the variable in normal distribution

$Z = \frac{x-mean}{S.D}$

Given X = $410

$Z = \frac{410-500}{75} = - 1.2$

Step(ii):-

The probability that a family spends less than $410 per month

P( X < 410) = P( Z < - 1.2 )

= 0.5 - A( -1.2)

= 0.5 - A(1.2)

= 0.5 - 0.3849 ( ∵from normal table)

= 0.1151

Final answer:-

The probability that a family spends less than $410 per month

P( X < 410) = 0.1151

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2 years ago