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3 years ago

13

Suppose one honeybee makes 1/12 teaspoon of honey during its lifetime. hom many honeybees are needed to make 1/2 teaspoon of hon

ey?

1 answer:

iris [78.8K]3 years ago

4 0

Six honeybees are needed

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If CDE ~ GDF, find ED

qaws [65]

Answer:

10

Step-by-step explanation:

$\triangle CDE \sim \triangle GDF.. (given) \\\\\therefore \frac{CD}{GD} =\frac{DE}{DF}.. (csst) \\\\\therefore \frac{15}{x+3} =\frac{3x+1}{4}\\\\ \therefore \: 15 \times 4 = (x + 3)(3x + 1) \\ \\ \therefore \: 60 = 3 {x}^{2} + x + 9x + 3 \\ \\ \therefore 3 {x}^{2} + 10x + 3 - 60 = 0 \\ \therefore 3 {x}^{2} + 10x - 57 = 0 \\ \therefore 3 {x}^{2} + 19x - 9x - 57 = 0 \\ \therefore \: x(3x + 19) - 3(3x + 19) = 0 \\\therefore \: (3x + 19)(x - 3) = 0 \\ \therefore \: 3x + 19 = 0 \: \: or \: \: x - 3 = 0 \\ \therefore \: x = - \frac{19}{3} \: \: or \: \: x = 3 \\ \because \: x \: can \: not \: be \: - ve \\ \therefore \: x = 3 \\ ED = 3x + 1 = 3 \times 3 + 1 \\ \huge \red{ \boxed{ ED= 10}}$

7 0

3 years ago

According to the graph above,what is the unit rate of a human's heartless per minute

kari74 [83]

The unit rate for the graph above is 60 heartbeats per minute. Half of 2 is 1 so go to the 1 min. mark and go up until you reach the line graph and it says 60. Do the same for the 2 min. mark and go up until you reach the line graph and it'll say 120. 60 ÷60=1 and 120 ÷ 60= 2

5 0

2 years ago

This is a not graded question <br> Help!

kogti [31]

The answer is B lm 100% sure

7 0

2 years ago

Whats 25 ÷ 5 and 45 ÷ 9

Murljashka [212]

25 divided by 5 is 5, 45 divided by 9 is 5

4 0

2 years ago

The principle of redundancy is used when system reliability is improved through redundant or backup components. Assume that a s

seropon [69]

Answer:

Probability that both such alarms fail is 0.03027

Step-by-step explanation:

Probability the alarm fails = 0.174 (this is calculated by dividing the percentage by 100 like: 17.4/100)

Probability that both such alarms fail = 0.174 * 0.174 = 0.03027

7 0

3 years ago