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fenix001 [56]
3 years ago
12

20 POINTS AND BRAINLIEST !! PLEASE ANSWER THIS QUESTION !!

Mathematics
2 answers:
kondor19780726 [428]3 years ago
8 0

Answer:

b

Step-by-step explanation:

answer in the photo thanks

Allisa [31]3 years ago
3 0

Answer:

c) y=\frac{2}{3} x+9

Step-by-step explanation:

The way I solve these is...

First, you look at where the line crosses the y-axis because that's your b in the y=mx+b equation. Which is 9

Then I find a point where the line passes thru so for example, (-6,5) Remember that x point is always before the y.

From there I determine if the line is positive or negative, this one's positive because the line goes up from left to right, if it were going up from right to left, then it'd be negative.

So knowing it's positive we count the points up and to the right until reaching the next point. So first go up 2 points and then right 3.

Knowing this, remember that it's always rise over run for the slope, so we rose 2, and ran 3. so, the slope is 2/3

This gives us our equation of y=\frac{2}{3} x+9

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Write the doubles plus one fact for 7+7.
Pie

Answer:

7 + 8 = 7 + 7 + 1.

Step-by-step explanation:

We know that, 'double plus one facts' is used to make the addition of numbers easy.

For e.g. we have 8 + 9 = 17. This addition can also be done as 8 + 8 + 1 = 17 i.e. we write first term twice and add 1 to get the result.

Hence, we give the name to this type of addition as 'double plus one'.

Now, we have to use this fact for 7 + 7.

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Hence, the double plus one facts for 7 + 7 is 7 + 8 = 7 + 7 + 1.

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Answer:

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Step-by-step explanation:

Question

A Galapagos cactus finch population increases by half every decade. The number of finches is modeled by the expression

,

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Given :

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In order to evaluate the given expression to find the number of finches at d=-2, we will plugin -2 for d in the expression and simplify it.

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Using negative exponent property. [a^{-x}=\frac{1}{a^x}

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This means the number of fringes two decades ago was 20.

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