3 years ago

For points on a graph chart, do you go over then up or up then over?

Mathematics

1 answer:

dusya [7]3 years ago

3 0

You have to go over then up (x,y)

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Step-by-step explanation:

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3 years ago

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Find four consecutive even integers such that if the sum of the first and third is multiplied by 3, the result is 28 less than f

WITCHER [35]

Answer:

$A=-10\\B=-8\\C=-6\\D=-4$

Step-by-step explanation:

We can solve the problem in this way:

- The 1st information that we have is that the four numbers are even and consecutive integer. Let's call these numbers A, B, C and D. This means that:

$D=C+2\\C=B+2\\B=A+2$

(since the distance between two even consecutive numbers is 2)

- The 2nd information that is given is that the sum of the first and third multiplied by 3 equals 28 less than 5 times the fourth, so:

$3(A+C)=5D-28$ (1)

Now we rewrite eq(1) by using:

$D=C+2$

and

$A=C-4$ (obtained by combining the 3 first equations)

So we get:

$3(C-4+C)=5(C+2)-28$

Solving this equation for C,

$6C-12=5C+10-28\\C=-6$

So the other numbers are:

$A=-10\\B=-8\\C=-6\\D=-4$

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3 years ago

What's proportional reasoning and what does it mean for something to be proportional?

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Proportional reasoning is the ability to compare two things using information given, in math, it is most frequently defined as comparing quantities. For something to be proportional, there has to a constant ration of another quantity.

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Christine went shopping and bought each of her ten nephews a gift, either a video costing $14.95 or a cd costing $16.88. she spe

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She got 9 videos, and 1 cd.

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3 years ago

Which graph represents the inequality y≥1−3x?

Slav-nsk [51]

Answer:

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Step-by-step explanation:

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