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Vika [28.1K]
2 years ago
13

Need help solving this proportion....x\4 = 5\7

Mathematics
2 answers:
expeople1 [14]2 years ago
5 0
\frac{x}{4}= \frac{5}{7}

7*x=4*5

7x=20

x=2\frac{6}{20}

x=2\frac{3}{10}

Orlov [11]2 years ago
5 0
x/4=5/7 \\ 7x=4*5 \\ 7x=20 \\ x=20/7 \\ x=2+6/7
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trent, pam, and linda will work together to paint a poster that is 4 feet long Each student will paint an equal length of the po
Tasya [4]
The whole length of the poster is 4 feet. There are three people who will paint an equal length, so this means that we need to divide the 4 feet of the poster between 3 people.

4 ÷ 3 <span>≈ 1.3

Each student will paint 1.3 feet, or 1 foot and 4 inches of the poster.</span>
8 0
3 years ago
If Moses has an account balance of 19 dollars and Miles has an account balance of -19 dollars, how much
uranmaximum [27]

Answer:

zero dollars

Step-by-step explanation:

19+ (-19) simplifies to 19-19

19-19 equals 0

5 0
3 years ago
SOLVE FOR X??? <br><br><img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7B3%7D%20%2B2%20%3D%5Cfrac%7Bx%7D%7B4%7D%2B3" id="TexFor
natima [27]

Answer:

\boxed{ \bold{ \boxed{ \sf{1. \:  \:  \:  \:  \: x = 12}}}}

\boxed{ \bold{ \boxed{ \sf{2. \:  \:  \:  \:  \: x = 3}}}}

Step-by-step explanation:

\sf{1. \:  \:  \:  \:  \frac{x}{3}  + 2 =  \frac{x}{4}  + 3}

Move x / 4 to left hand side and change its sign

Similarly, move 2 to right hand side and change it's sign

\longrightarrow{ \sf{ \frac{x}{3}  -  \frac{x}{4}  = 3 - 2}}

Take the L.C.M of 3 and 4

L.C.M of 3 and 4 = 12

\longrightarrow{ \sf{ \frac{x \times 4 - x \times 3}{12}  = 3 - 2}}

\longrightarrow{ \sf{ \frac{4x - 3x}{12}  = 3 - 2}}

\longrightarrow{ \sf{ \frac{x}{12}  = 3 - 2}}

Subtract 2 from 3

\longrightarrow{ \sf{ \frac{x}{12}  = 1}}

Do cross multiplication

\longrightarrow{ \sf{x  = 1 \times 12}}

\longrightarrow { \sf{x = 12}}

--------------------------------------------------------------------

\sf{2. \:  \:  \:  \: 3(4 + 2x) = 33 - x }

Distribute 3 through the parentheses

\longrightarrow{ \sf{12 + 6x = 33 - x}}

Move x to left hand side and change it's sign

Similarly, move 12 to right hand side and change it's sign

\longrightarrow{ \sf{6x +  x = 33 - 12}}

Collect like terms

\longrightarrow{ \sf{7x = 33 - 12}}

Subtract 12 from 33

\longrightarrow{ \sf{7x = 21}}

Divide both sides by 7

\longrightarrow{ \sf{ \frac{7x}{7}  =  \frac{21}{7} }}

Calculate

\longrightarrow{ \sf{x = 3}}

Hope I helped!

Best regards! :D

4 0
3 years ago
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Neporo4naja [7]

Answer:

C

Step-by-step explanation:

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4 0
2 years ago
Read 2 more answers
Please help with numbers 9 and 10!
photoshop1234 [79]

Answer:

ooooooooooooooooof sorry i dont get it

Step-by-step explanation:

4 0
3 years ago
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