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3 years ago

How do you do part B of this question? Please help!!

Mathematics

1 answer:

posledela3 years ago

3 0

All i know is that the equation of a straight line is y=mx+c .......where m= gradient and c= the y intercept

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How much will a 63 on an assessment affect a 97 in my class?

Margarita [4]

Answer:

Depends on how many points you have possible and how many points that assessment was worth.

Step-by-step explanation:

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3 years ago

Which of the following steps could be used as a shortcut method to multiply 12 by 50?

likoan [24]

We must remember that 50 x 2 = 100. Multiplying numbers by 100 would be easier since all we have to do is add two zeros after. For example, 62 x100 = 6200. Since we multiplied a number by 2, we must divide it by 2 after getting the product. To make this more clearer, for 12 x 50, for example, we have 12 x 50 = (12 x 100)/2 = 1200/2 = 600 Thus, the answer is C<span>.</span>

6 0

3 years ago

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The amount of money jorge earns for (h) hours of work can be expressed as 100 + 25 (h) which inequality represents the number of

insens350 [35]

Answer:

This means jorge must work for at least 36 hours to earn $1,000. The inequality that represent this expression is h $\geq$ 36

Step-by-step explanation:

Given the amount of money jorge earns for (h) hours of work expressed as 100 + 25 (h). If jorge must work to earn at least $1,000, this means that the lowest amount jorge can earn is $1,000. Jorge cannot earn below but above $1000 i.e he will always earn amount greater than or equal to $1,000.

The statement can be represented using the inequality;

100+25h $\geq$ 1000

To know the number of hours jorge must work to earn at least $1000, we can solve the inequality function for 'h'

Subtarcting 100 from both sides;

100+25h-100 $\geq$ 1000-100

25h $\geq$ 900

dividing both sides by 25

$\frac{25h}{25} \geq \frac{900}{25} \\h\geq 36$

This means jorge must work for at least 36 hours to earn $1,000

7 0

4 years ago

6(5x-3)= ??<br> I need help on that

Anna11 [10]

Answer:

30x - 18

Step-by-step explanation:

First, you would use the distributive property to get rid of the parenthesis and to simplify your equation.

6 * 5x gives you 30x and 6 * -3 is equal to -18

This gives you 30x - 18

4 0

4 years ago

A mermaid is swimming at sea level when a human comes by. She dives underwater at a rate of 3 meters per second. She continues t

Mandarinka [93]

Answer:

63 metres

Step-by-step explanation:

Distance covered in 1 second = 3 m

Time taken =21 sec

Her position = 3 x 21 m = 63 metres

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4 years ago

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