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Alinara [238K]
3 years ago
10

​Parallelogram ABCD​ is a rectangle. AC=2y+7 BD=3y−4 What is the value of y?

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
7 0

Answer:

You didn't attach an image so I will assume that AC and BD are opposite sides. In a parallelogram, opposite sides are congruent which means:

2y + 7 = 3y - 4

-y = -11

y = 11

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2.5

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What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4
Nataly_w [17]

Answer:

Required logarithmic function is :

f\left(x\right)=\log_3\left(x\right)

Step-by-step explanation:

We have been fiven that table for the logarithmic function is:

x f(x)

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which can be rewritten as:

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So we can use logarithmic function as

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8 0
3 years ago
Help please!
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Answer:

y= -4x^2 + 15x - 14

Step-by-step explanation:

A parabola is always in the form y = ax^2 + bx + c.

Substitute each point to produce different equations:

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so c = -14

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so a + b = 11

0 = a2^2 + b2 + c = 4a + 2b -14 = 0

so 4a + 2b = 14

if we double a + b = 11 we get 2a + 2b = 22

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We don't need to use the (3,5) points as we have all the information we need.

4 0
3 years ago
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