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Gennadij [26K]
3 years ago
14

Anyone please,Solve & explain

Mathematics
1 answer:
e-lub [12.9K]3 years ago
3 0

The slope-intercept form is y = mx +b


You have:

4x +7y =14

First subtract 4x from each side:

7y = -4x +14

Divide each term by 7:

7y/7 = -4x/7 + 14/7

Simplify:

y = -4/7x +2


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A reflection over the line y=x implies exchanging the x and y coordinates of a point. For example if you take a generic point (a,b) then its reflection over y=x is (b,a). Our point is (-1,3) so its reflection over y=x is the point (3,-1).

Then we have to translate it two units left. Translating a point left means that we are moving towards negative x values so we need to substract 2 from the x coordinate:

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Finally we have to translate it 1 unit up towards positive y values so we have to add 1 to its y coordinate:

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1 year ago
Plzz helpp guys
Kitty [74]

Answer:

y = 1500(0.024)^t

Step-by-step explanation:

Given

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Required

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An exponential function has the form:

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b = rate and b \ne 1

t= time

Substitute values for a and b, we have:

y = 1500 * (2.4\%)^t

Convert percentage to decimal

y = 1500 * (0.024)^t

y = 1500(0.024)^t

Hence, the exponential function that represents the scenario is: y = 1500(0.024)^t

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The time and the number of people are inversely proportional, so the food would last 2/3 ( inverse is flipping the original ratio over) the original length of time.

This means the length of time the food lasts is reduced by 1/3, which is 33.3%

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Margarita [4]

Answer:

Sine, cosine and tangent

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