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3 years ago

Seven more than one half a number as an equation

Mathematics

1 answer:

romanna [79]3 years ago

5 0

Answer:

1/2x+7

Step-by-step explanation:

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A 100 rupee note was changed to 10 and 5 rupee notes, 15 notes in all. How many of each notes?

san4es73 [151]

Answer:

Total number of notes is 11.

Step-by-step explanation:

Value is 100 rupees…

5x + 20y = 100 and x + y = 11 are the two equations.

We can simplify…

5x + 20 y - 5x - 5y = 100 - 55 = 45

15y = 45 so y = 3

x = 11 - y = 8

So, we have 8 notes of 5 rupees denomination and 3 notes of 20 rupees denomination.

I hope it helps you.

4 0

2 years ago

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S||P FIND VALUE OF Z !

NNADVOKAT [17]

Answer:

Step-by-step explanation:

Please excuse my handwriting lol.

7 0

2 years ago

Let's find2. 1+5 3First write the addition with a common denominator.Then add.12— +51-4-13Х5

emmasim [6.3K]

Answer: $\frac{2}{5}+\frac{1}{3}=\frac{6}{15}+\frac{5}{15}=\frac{11}{15}$ Explanation:

The given addition exercise is:

$\frac{2}{5}+\frac{1}{3}$

The LCM of the denominator (5 and 3) = 15

Multiply 2/5 by 3/3

$\frac{2}{5}=\frac{2\times3}{5\times3}=\frac{6}{15}$

Multiply 1/3 by 5/5

$\frac{1}{3}=\frac{1\times5}{3\times5}=\frac{5}{15}$

The addition becomes

$\frac{6}{15}+\frac{5}{15}=\frac{11}{15}$

Therefore, we can fill in the vacant boxes as shown below:

$\frac{2}{5}+\frac{1}{3}=\frac{6}{15}+\frac{5}{15}=\frac{11}{15}$

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6 months ago

I need help on these ASAP !!!

liq [111]

Answer:

IDK.

Step-by-step explanation:

Ask ur teacher for help.

I hope this helps u.

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3 years ago

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Please help me, what is m<4?

aniked [119]

Answer:

well if you look at it there is no m so how would you even know...

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2 years ago