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Contact [7]
2 years ago
9

Set up the equation, relating the new ratio of salt

Mathematics
2 answers:
stiv31 [10]2 years ago
7 0

Answer:

the  answer is A

Step-by-step explanation:

melisa1 [442]2 years ago
6 0

Answer:19.2(160-x)=20/100

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What is the median of this set of data? 362,187,211,298,331,250,347,199
AVprozaik [17]

Answer:

250

Step-by-step explanation:

Line it up least to greatest

187,199,211,250,298,347,362

Cut each one off at each ends until middle

250

6 0
2 years ago
-5x-18y=-28 and -10x+9y=-11 solve elimination
Dmitry [639]

Answer:

\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}

x=2,\:y=1

Step-by-step explanation:

Given the equations

-5x-18y=-28

-10x+9y=-11

solving the system of the equation by elimination method

\begin{bmatrix}-5x-18y=-28\\ -10x+9y=-11\end{bmatrix}

\mathrm{Multiply\:}-5x-18y=-28\mathrm{\:by\:}2\:\mathrm{:}\:\quad \:-10x-36y=-56

\begin{bmatrix}-10x-36y=-56\\ -10x+9y=-11\end{bmatrix}

-10x+9y=-11

-

\underline{-10x-36y=-56}

45y=45

\begin{bmatrix}-10x-36y=-56\\ 45y=45\end{bmatrix}

solve 45y=5 for y:

45y=45

\frac{45y}{45}=\frac{45}{45}

y=1

\mathrm{For\:}-10x-36y=-56\mathrm{\:plug\:in\:}y=1

solve -10x-36\cdot \:1=-56 for x:

-10x-36\cdot \:1=-56

-10x-36=-56

Add 36 to both sides

-10x-36+36=-56+36

-10x=-20

\frac{-10x}{-10}=\frac{-20}{-10}

x=2

\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}

  • x=2,\:y=1
5 0
3 years ago
The pizza shop is running a special: 2 medium pizzas
KIM [24]

Answer:

41.94

Step-by-step explanation:

12 divided by 2 is 6 and six times 6.99 gets you your answer of 41.94

6 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point(-6,-5) and has a slope of -1/2
zvonat [6]

Answer:

y=-1/2x-8

Step-by-step explanation:

y-y1=m(x-x1)

y-(-5)=-1/2(x-(-6))

y+5=-1/2(x+6)

y=-1/2x-6/2-5

y=-1/2x-3-5

y=-1/2x-8

7 0
2 years ago
Find the equation of the line that has a slope of 1 and passes through the point (-2,11).
Lyrx [107]
Point-slope form is y-y1=m(x-x1)

m=1
y1=11
x1=-2

y-11=1(x-(-2)
6 0
3 years ago
Read 2 more answers
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