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Komok [63]
3 years ago
11

Marco can swim at a speed of 45 m/min. to find how long it will take him to swim 200 m he solves the equation 45 times T equals

200 what does t represent?
Mathematics
1 answer:
zaharov [31]3 years ago
4 0

Answer:

T represents the amount of time it will take him to travel 200 meters if he swims at 45 meters per minute.

Step-by-step explanation:

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A number, X, rounded to 1 decimal place is 3,7<br> Write down the error interval for x,
sp2606 [1]

Answer:

The error interval for x is:

                 [3.65,3.74]

Step-by-step explanation:

The number after rounding off is obtained as:

                         3.7

We know that any of the number below on rounding off the number to the first decimal place will result in 3.7:

  3.65     3.66    3.67    3.68    3.69    3.70    3.71   3.72    3.73    3.74

( Because if we have to round off a number present in decimals to n place then if  there is a  number greater than or equal to 5 at n+1 place then it will result to the one higher digit  at nth place on rounding off and won't change the digit if it less than 5 )

        Hence, the error interval is:

            [3.65,3.74]

6 0
2 years ago
Joyce rented a booth at a carnival at a cost of $95 to sell handmade beaded necklaces. The cost of making and packaging each bea
xz_007 [3.2K]

Answer:

To make a profit of at least $500 she must sell at least 12 necklaces

Step-by-step explanation:

Joyce rented a booth at a carnival at a cost of $95 to sell handmade beaded necklaces. The cost of making and packaging each beaded necklace was $15. If Joyce sells the beaded necklaces at $35 each then we have to find beaded necklaces she sell to make a profit of at least $500.

The costs side of the equation, we have:

Let no. of necklaces that she sell are x

∴ The cost of making and packaging x beaded necklace is $15x

Total Cost = 95+15x

Now, Joyce sells the beaded necklaces at $35 each. Therefore, selling price will be $35x

To make a profit of at least $500 the equation can be written as

95+15x+500\leq35x

595\leq50x

⇒ x\geq11.9=12

Hence,  to make a profit of at least $500 she must sell at least 12 necklaces



7 0
3 years ago
Read 2 more answers
A triangle has base angles of 52.5 degrees each. What is the measurement of the third angle?
guajiro [1.7K]

Answer:

The answer is 75 degrees

Step-by-step explanation:

All triangles interior angles will at up to 180. 52.5+52.5= 105. 180-105= 75 degrees.

3 0
2 years ago
If you received 50 dollars and you choose to spend it on a wallpaper what is the opportunity cost of your decision
Vedmedyk [2.9K]
Less than 50 dollars I think
7 0
3 years ago
17. Solve for x: 3xyz <br> i need help i would be very grateful ty :)
olga2289 [7]

Answer:

  • C. x = P/3yz

Step-by-step explanation:

<u>Given equation:</u>

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<u>Solve for x, divide both sides by 3yz:</u>

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  • x = P/3yz

Correct choice is C

3 0
2 years ago
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