A dot was running along a number line.

Mathematics

1 answer:

lana [24]2 years ago

5 0

Answer:

The distance would be 64 and 4 miles per hour would be its average speed.

Step-by-step explanation:

On a number line 34 to 0 is 34 points. And 0 to -34 is also 34 points. Add them together and you will get the distance. To find the average speed divide the distance by the time it took to cover that distance in this case 17 minutes and you will find the average speed of the dot.

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The sum of the ages of Andrew and Hanna is 64 years. 8 years ago, Andrew's age was 3 times Hanna's age. How old is Andrew now?

VARVARA [1.3K]

Answer:

44yrs

Step-by-step explanation:

sum= 64

8yrs ago

Hanna = x - 8

Andrew =3x - 8

sum 8yrs ago

64 - 8 - 8 = 48 yrs

| \

Hanna's Andrew's

3x + x = 48

4x = 48

4 4

x = 12

Andrew = 3x = 3 x 12 = 36( 8 yrs ago)

now = 36 + 8 = 44yrs

Hanna's = x = 12(8 yrs ago)

now = 12 + 8 = 20yrs

8 0

2 years ago

Certain clouds form when temperatures fall below -62c. What is the temperature in degrees Fahrenheit? Temperature is_ Greece Fah

Vadim26 [7]

Solution: The value of temperature is -79.6 degree fahrenheit.

Explanation:

The temperature is given in degree celsius and we have find the temperature in degree fahrenheit. The formula to convert the degree celcius in degree fahrenheit is given below,

$F=32+\frac{9}{5} C$