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IceJOKER [234]
3 years ago
7

Standard form Ax+By=C x-3y=-6

Mathematics
1 answer:
Gennadij [26K]3 years ago
8 0

Explanation:

The equation is already in standard form.

A is 1. The number 1 is often unwritten.

B is -3. The negative or positive sign is included with the equation.

C is -6. (If using this for the quadratic formula, c is actually 6 because the equation should equate to 0).

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Explain how you can find the missing number and 3 4/5 divided by something equals 2 5/7 then find the missing number
enyata [817]

let's firstly, convert the mixed fractions to improper, and then do equation.


\bf \stackrel{mixed}{3\frac{4}{5}}\implies \cfrac{3\cdot 5+4}{5}\implies \stackrel{improper}{\cfrac{19}{5}}
~\hfill
\stackrel{mixed}{2\frac{5}{7}}\implies \cfrac{2\cdot 7+5}{7}\implies \stackrel{improper}{\cfrac{19}{7}}
\\\\[-0.35em]
\rule{34em}{0.25pt}


\bf \cfrac{~~\frac{19}{5}~~}{x}=\cfrac{19}{7}\implies \cfrac{~~\frac{19}{5}~~}{\frac{x}{1}}=\cfrac{19}{7}\implies \cfrac{19}{5}\cdot \cfrac{1}{x}=\cfrac{19}{7}\implies \cfrac{19}{5x}=\cfrac{19}{7}
\\\\\\
\stackrel{}{\cfrac{7}{5x}=\cfrac{19}{19}}\implies \cfrac{7}{5x}=1\implies 7=5x\implies \cfrac{7}{5}=x\implies 1\frac{2}{5}=x

5 0
3 years ago
Lin's bottle holds 3 1/4 cups of water. She drank 1 cup of water. What fraction of the water in the bottle did she drink?
DanielleElmas [232]

Answer:

30.76923077 or (approx: 30.77)

Step-by-step explanation:

-has 3 1/4 cups

-drinks 1 cup

(3 1/4-1=2 1/4)

3 1/4=100%               (3 1/4 divided by 1=3.25)

    1  =x%                    (100 divided by 3.25)

Approx 30.77%

8 0
3 years ago
YALL HELP PLEASE THANK U
Ede4ka [16]

Answer:

I am not getting this question

4 0
3 years ago
Read 2 more answers
Please help!!!! (don’t comment for free points, this isn’t the place)
Allushta [10]

tan 44 = h/ x

x = 15 ft * sin 26

so

h = x * tan 44

= (15 ft * sin 26) (tan 44 )

so the anser is D

hope this would help you

5 0
3 years ago
Read 2 more answers
Find the perimeter. Simplify your answer.<br> 4c+9<br> 70-5<br> 5c+2<br> 5c-3
pickupchik [31]

Answer:

Step-by-step explanation:

Perimeter = 4c + 9 + 7c - 5 + 5c + 2 + 5c - 3

                = 4c +7c + 5c +5c + 9 - 5 + 2  - 3

                 = 21c + 3

7 0
2 years ago
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