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olga nikolaevna [1]
3 years ago
8

3 type of beans, whose prices per kg are respectively $15m,$25 and $30 are to be taken 2 at a time and mixed in the same proport

ion so that the resulting mixture are of equal value. How many they be mixed and the price /kg for resulting mixture. (ans; 2:3, $21/kg
Mathematics
1 answer:
DENIUS [597]3 years ago
3 0
What are your thoughts on how to solve this?
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Mike is driving a boat at 12 mph and is increasing his speed by 0.2 mph each second. Hank is driving a boat at 26.4 mph and is d
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Answer: After 16 seconds the boats will be traveling the same speed.

Step-by-step explanation:

Given: Mike is driving a boat at 12 mph and is increasing his speed by 0.2 mph each second.

Mike's spewed after x seconds = 12 + 0.2x

Hank is driving a boat at 26.4 mph and is decreasing his speed by 0.7 mph each second.

Hank's speed after x seconds = 26.4 -0.7 x

As per given,

12 + 0.2x =  26.4 -0.7 x

Subtract 12 from both sides

0.2x= 26.4-12-0.7x

⇒ 0.2x= 14.4-0.7x

Add 0.7xn on both sides , we get

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⇒ 0.9x = 14.4

Multiply 10 on both sides, we get

9x=144

Divide both sides by 9 , we get x= 16

Hence, after 16 seconds the boats will be traveling the same speed.

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Rina8888 [55]

Answer:

A

Step-by-step explanation:

8 0
2 years ago
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16 tablespoon to milliliters
Brut [27]

Answer:  The answer is: " 240 milliliters (mL) " .

_________________________________________________

Step-by-step explanation:

_________________________________________________

Given 16 Tablespoons ;  Convert to "mL" .

Note:  "milliliters" can be abbreviated as "mL" .

Note:  15 mL = 1 Tablespoon .


16 Tablespoons * (\frac{15 mL}{1 Tablespoon})  ;

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            =   240 mL .

_________________________________________________

The answer is:  " 240 milliliters (mL) " .

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Step-by-step explanation:

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Group like terms and solve for x.

45x-26x-x=57

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Assoli18 [71]
The cosine is -0.88
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