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4vir4ik [10]
3 years ago
7

Which equation represents a proportional relationship? y=2(x+1) y = 4x + 3 y=−2/x y=32x

Mathematics
2 answers:
Lerok [7]3 years ago
6 0
<span>a proportional relationship
</span>y = kx
so
answer

y=32x
Greeley [361]3 years ago
3 0
This is what a proportional relationship would look like.
y = mx 
m stands for the number that we will find out later on.
The answer that is closest to the example would be 
D) y = 32x
So that is your answer.
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dmitriy555 [2]

see the attached figure to better understand the problem

we have that

cos(A)=\frac{1}{5} \\ AB=12\ units\\ CD=2\ units

Step 1

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we know that

in the right triangle ABC

cos (A)=(AC/AB)\\AC=AB*cos(A)

substitute the values in the formula

AC=12*(1/5)\\ AC=2.4\ units

Step 2

<u>Find the value of BC</u>

we know that

in the right triangle ABC

Applying the Pythagorean Theorem

AB^{2} =AC^{2}+BC^{2}\\ BC^{2}=AB^{2} -AC^{2}

substitute the values

BC^{2}=12^{2} -2.4^{2}\\BC^{2}= 138.24\\ BC=11.76\ units

Step 3  

<u>Find the value of BD</u>

we know that

in the right triangle BCD

Applying the Pythagorean Theorem

BD^{2} =DC^{2}+BC^{2}

substitute the values  

BD^{2} =2^{2}+11.76^{2}

BD=11.93\ units

therefore

<u>the answer is</u>

the length of BD is 11.93 units

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noname [10]

Answer:


Step-by-step explanation:

heya

divide 13 into 4 and you will get the answer.the answer is0.308

thanx

mark me as brainlest


3 0
3 years ago
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