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IceJOKER [234]
3 years ago
15

Sophia trains with her friend Aisha on a 5-kilometer trail near their school.

Mathematics
1 answer:
KatRina [158]3 years ago
4 0

Answer:

y = 7x

y = 5.5x

Sophia

Step-by-step explanation:

Given that:

Aisha runs 1 km in 7 minutes :

Aisha's function :

y = 7x

x = number of kilometers and y is the number of minutes

For Sophia :

Slope = change in y / change in x = (15.5 - 10) / (1 - 0)

Slope = 5.5

Hence, Sophia :

y = 5.5x

Hence, Sophia runs faster as she completes one kilometer in 5.5 minutes. Which is lesser Than Aisha's time. Of 7 minutes.

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Carlos is five years older than twice his sister's age. Carlos is 13. Which equation and solution correctly identifies his siste
AVprozaik [17]

Answer:

B

Step-by-step explanation:

x=4 so

2x4=8

8+5=13

Carlos's sister is 4 years old, therefore it is B.

4 0
3 years ago
A pyramid has a base off 100 m^2 and a height of 60 m. What is the volume of the pyramid?
scoray [572]
V=2000m³it is b........

7 0
3 years ago
Convert the hexadecimal numeral to Hindu-Arabic <br> 4A9EDsixteen<br> 8
IceJOKER [234]

9514 1404 393

Answer:

  305,645 base 10

  1124755 base 8

Step-by-step explanation:

In expanded form, the number is ...

  4×16^4 +10×16^3 +9×16^2 +14×16^1 +13

  = (((4×16 +10)×16 +9)×16 +14)×16 +13 = ((74×16 +9)×16 +14)×16 +13

  = (1193×16 +14)×16 +13 = 19102×16 +13 = 305,645 base 10

_____

If you want to convert this to base 8, that is easily done by writing the binary equivalents of the hex digits, then regrouping them by 3s.

  4A9ED₁₆ = 0100 1010 1001 1110 1101₂ = 01 001 010 100 111 101 101₂

  = 1124755₈

5 0
3 years ago
The scale of a map is 1 inch: 250 miles. City A is 378 miles from City B. To the nearest tenth, how far is its distance on the m
juin [17]
This is a proportion question. We can express this as an equation where the answer is x:

\frac{1}{250} = \frac{x}{378}

From there, you can just cross-multiply and divide to get:

\frac{1 * 378}{250}

A tenth of 250 is 25, so this is roughly \frac{375}{250} or \frac{17}{10}, so it'll be approximately 1.7 inches on the map.
6 0
3 years ago
Read 2 more answers
A computer company charges a flat fee of $250 for the computer and extra charges for any add-ons. a customer orders a computer w
zlopas [31]
250 + 2(25.50) + 105.50 = 250 + 51 + 105.50 = 406.50 <==
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3 years ago
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