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Sergio039 [100]
2 years ago
5

Aria is ordering a taxi from an online taxi service. The taxi charges $4 just for the

Mathematics
1 answer:
Valentin [98]2 years ago
5 0

Answer:

Riding 2 miles = $6.50

Riding m miles: C = 1.25m + 4

Step-by-step explanation:

(1.25)*(2) + 4 = $6.50

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Phillip bought 1 medium pizza that cost $8.50 and a drink that cost $1.79. How much change did he did he receive from a $20 bill
Stells [14]

Answer: $9.71

Step-by-step explanation: Just subtract the pizza amount (8.50) and the drink (1.79) from the $20.

3 0
3 years ago
Read 2 more answers
Solve log x = 4. Please show all the work!
Gnom [1K]

Answer:

x = 10000

Step-by-step explanation:

Using the rule of logarithms

log_{b} x = n ⇔ x = b^{n}

Given

log x = 4 ( noting that log x has base 10 ), then

x = 10^{4} = 10000

7 0
3 years ago
Carmen and her friends go out for lunch and leave a 20% tip. How much was the bill if they left a $17.64 tip?
solniwko [45]
First find 10%
so 17.64/2
= 8.82
then move decimal over one
so $88.2
is the bill
7 0
3 years ago
(3xy/3x^2-12)*(x^2+3x+2/xy+y)
TiliK225 [7]

Value of expression (3xy/3x^2-12)*(x^2+3x+2/xy+y) is  \frac{x}{x-2} .

<u>Step-by-step explanation:</u>

Here we need to evaluate expression : (3xy/3x^2-12)*(x^2+3x+2/xy+y)  or ,

(3xy/3x^2-12)*(x^2+3x+2/xy+y)

Let's simplify this

⇒ (\frac{3xy}{3x^2-12})(\frac{x^2+3x+2}{xy+y})

Factorizing the terms we get:

⇒ (\frac{3xy}{3(x^2-4)})(\frac{x^2+2x+x+2}{y(x+1)})              { a^2-b^2=(a+b)(a-b)      }

⇒ (\frac{xy}{(x-2)(x+2)})(\frac{x(x+2)+1(x+2)}{y(x+1)})

⇒ (\frac{xy}{(x-2)(x+2)})(\frac{(x+1)(x+2)}{y(x+1)})

Cancelling similar terms we get:

⇒ \frac{x}{x-2}

Therefore , Value of expression (3xy/3x^2-12)*(x^2+3x+2/xy+y) is  \frac{x}{x-2} .

3 0
3 years ago
Find the area of △DEF with vertices D(−4, −2), E(−1, −8), and F(−7, −8). The AREA of △DEF is ______ square units. *
prohojiy [21]

Answer:

If you plot these points you will see that the base is 6 (distance from E to F, count the squares).

The height will be 6 ( distance from line EF to D, again count the squares).

Using the Area formula you get A = 1/2 (6) (6) = 18

6 0
3 years ago
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