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Zepler [3.9K]
3 years ago
13

Andrea rents a bike for a day. The rental charges can be determined by

Mathematics
2 answers:
Greeley [361]3 years ago
4 0
Https://www.cymath.com/answer?q=%205%2B4i%2F6%2B8i
kolezko [41]3 years ago
4 0

Answer: Hence, the unit rate would be $0.5.

Step-by-step explanation:

Since we have given that

R=\$0.5d

Here, R is the rental charges.

d is the number of days she rents the bike.

We need to find the unit rate.

So, unit rate would be

\dfrac{R}{d}=\$0.5

Hence, the unit rate would be $0.5.

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Y=-1/4x+7.5 is the right equation
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3 years ago
In the expression 5y+4x2 what is the coefficient
MariettaO [177]

Answer:heyya

Step-by-step explanation:

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8 0
3 years ago
The sum of two numbers is 9.9, and the sum of the squares of the numbers is 53.21. What are the numbers?
Snezhnost [94]

Answer:

There are two possibilities:

x_{1} = 3.5 and y_{1} = 6.4

x_{2} = 6.4 and y_{2} = 3.5

Step-by-step explanation:

Mathematically speaking, the statement is equivalent to this 2-variable non-linear system:

x + y = 9.9

x^{2} + y^{2} = 53.21

First, x is cleared in the first equation:

x = 9.9 - y

Now, the variable is substituted in the second one:

(9.9-y)^{2} + y^{2} = 53.21

And some algebra is done in order to simplify the expression:

98.01-19.8\cdot y +2\cdot y^{2} = 53.21

2\cdot y^{2} -19.8\cdot y +44.8 = 0

Roots are found by means of the General Equation for Second-Order Polynomials:

y_{1} \approx \frac{32}{5} and y_{2} \approx \frac{7}{2}

There are two different values for x:

y = y_{1}

x_{1} = 9.9-6.4

x_{1} = 3.5

y = y_{2}

x_{2} = 9.9 - 3.5

x_{2} = 6.4

There are two possibilities:

x_{1} = 3.5 and y_{1} = 6.4

x_{2} = 6.4 and y_{2} = 3.5

5 0
3 years ago
Anson collected 720 seashells. Then he gave 209 seashells to
vaieri [72.5K]

Answer:

18.75%

Step-by-step explanation:

720 - (209+376) =

720 - 585 = 135

135/720 = 0.1875 --> 18.75%

3 0
3 years ago
How fractions and decimal are alike
seraphim [82]
Again, decimals and fractions represent all the values in between integers. Decimals are simply one step more of simplification from fractions.
8 0
3 years ago
Read 2 more answers
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