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dybincka [34]
3 years ago
5

Sara can drive 210 miles on 14 gallons of gas. Select all the unit rates to describe this situation.

Mathematics
2 answers:
julia-pushkina [17]3 years ago
5 0
Hello There!

She can drive:
15 miles on 1 gallon of gas
She can drive:
1 mile on 0.0666666 gallons of gas.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
Rashid [163]3 years ago
3 0
Sara can drive drive 15 miles on a gallon of gas.  210/14=15 miles per gallon of gas.
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Only the a) part please!!!!
choli [55]

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\implies \begin{pmatrix}6x+y & 2+0 & 10-4\\0+1 & 4x-3y & -6+2\end{pmatrix} =  \begin{pmatrix}31 & 2 & 6\\1 & 17& -4 \end{pmatrix}\\\\\\\implies \begin{pmatrix}6x+y & 2 & 6\\1 & 4x-3y & -4\end{pmatrix} =  \begin{pmatrix}31 & 2 & 6\\1 & 17& -4 \end{pmatrix}\\\\\text{System of equations},\\\\6x +y =31,~~ 4x -3y = 17\\\\\\(iii)\\\\6x +y-31 =0 \\\\4x-3y -17=0\\\\\text{Solving by cross multiplication method}\\\\\\\dfrac x{1(-17) - (-31)(-3)} = \dfrac y{4(-31) - 6(-17)} = \dfrac 1{6(-3) - 4(1)}

\implies \dfrac{x}{-17 -93}  = \dfrac{y}{-124 +102} = \dfrac 1{-18-4}\\\\\\\implies -\dfrac{x}{110} = -\dfrac{y}{22} = -\dfrac 1{22}\\\\ \implies \dfrac{x}{110} = \dfrac{y}{22} = \dfrac 1{22}\\\ \\\text{Hence,}\\\\\\x=\dfrac{110}{22}=5,~~~~ y= \dfrac{22}{22} =1

7 0
2 years ago
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A particular virus becomes inactive at any temperature below 10 F what would be the inequality
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3 years ago
What is 9.35 as a fraction
denpristay [2]
9.35

= 9.00 + 0.35

= 9 + 7/20

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5 0
3 years ago
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(1 point) All that is left in a packet of candy are 7 reds, 3 greens, and 3 blues.
Sauron [17]

Answer:

A 21 /169

B independent

Step-by-step explanation:

The total number of candies is 7+3+3 = 13

P( 1st red) = red/total = 7/13

Since the candy is put back there are still 13 candies in the dish

P(2nd green) = green/total = 3/13

P( red, then green) = P( 1st red) * P(2nd green)

                                = 7/13* 3/13 = 21/169

The events are independent since the candies are put back

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3 years ago
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The answer is 
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