2 years ago

Write the phase "3 times the difference of 5 and y equals 4" as a variable expression:

Mathematics

2 answers:

JulijaS [17]2 years ago

8 0

Answer:

3 ( 5-y) = 4

Step-by-step explanation:

worty [1.4K]2 years ago

6 0

Answer:

3(5-7)=4

Step-by-step explanation:

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In 3/4 pound of cake mix, there are 2/5 cups of flour. How much flour does the cake mix contain per pound?

Firdavs [7]

Answer:

5/9

Step-by-step explanation:

5 0

2 years ago

The circle given by : x^2 + y^2 - 6y - 12 = 0 can be written as:

deff fn [24]

Step-by-step explanation:

Given equation of circle is,

${x}^{2} + {y}^{2} - 6y - 12 = 0 \\ by \: compairing \: it \: with \: \\ {x}^{2} + {y}^{2} + 2gx + 2fy = 0 \: we \: get \\2 g = 0 \: or \: g = 0 \\ 2f= - 6 \\ or \: f= - 3 \\ c = - 12$

again the another form of circle is,

${x}^{2} + {(y - k)}^{2} = 21 \\ or \: {x}^{2} + {y}^{2} - 2ky + {k}^{2} - 21 = 0 \\ by \: compairing \:it \: with \: \\ {x}^{2} + {y}^{2} + 2gx + 2fy = 0 \: we \: get \\ g = 0 \\f = - k \\ c = {k}^{2} - 21$