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3 years ago

On Tuesday Pranav bought ten posters.

Mathematics

1 answer:

miss Akunina [59]3 years ago

4 0

Answer:

Pranav had 36 posters on Monday.

Step-by-step explanation:

We can make up an equation to demonstrate this problem.

We don't know how many posters he had on Monday, so we can represent that amount as x. We know Pranav buys 10 more, so now it's x + 10. We also know that after he bought 10 more posters, half of all his posters got destroyed, leaving him with 23.

The final equation is:

(x + 10) ÷ 2 =23

We now need to isolate the x, so we multiply both sides by 2 to get rid of it.

It now equals:

x + 10 =46

Finally we subtract 10 from both sides.

Our answer is:

x =36

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3 years ago

Translating between Tables,

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Answer:

Table of values

$x \to y$

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<em>See attachment for graph</em>

Step-by-step explanation:

Given

$y = 3x - 5$

Solving (a): Make a table

Considering the values of x from 0 to 5, we have:

When $x = 0$

$y = 3x - 5 \to 3 * 0 - 5 = -5$

When $x = 1$

$y = 3x - 5 \to 3 * 1 - 5 = -2$

When $x = 2$

$y = 3x - 5 \to 3 * 2 - 5 = 1$

When $x = 3$

$y = 3x - 5 \to 3 * 9 - 5 = 4$

When $x = 4$

$y = 3x - 5 \to 3 * 4 - 5 = 7$

When $x = 5$

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So, we have:

$x \to y$

$0 \to -5$

$1 \to -2$

$2 \to 1$

$3 \to 4$

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Solving (b): The graph

See attachment

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3 years ago

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The answer is 4ft. you just have to convert the size of the wall and the size of the window to the same thing. Like I converted 9.75 to 39/4. Then you just subtract and what you have left is the answer. Hope I explained that well.

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