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KATRIN_1 [288]
3 years ago
9

4y³-2(2y-3)+y written in standard form​

Mathematics
1 answer:
Lady_Fox [76]3 years ago
5 0

Mutiply the bracket by -2

(-2)(2y)=-4y

(-2)(-3)= 6

4y^3-4y+6+y

4y^3-4y+y+6 ( combine like terms)

4y^ 3-3y+6

Answer: 4y^ 3-3y+6

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In the diagram abc=adb=90, ad=p and dc=q. Use similar triangles to show that x2=pz<br> plzz anyoneee
kramer

Answer:

By comparing the ratios of sides in similar triangles ΔABC and ΔADB,we can say that x^{2} =pz

Step-by-step explanation:

Given that ∠ABC=∠ADC, AD=p and DC=q.

Let us take compare Δ ABC and  Δ ADB in the attached file , ∠A is common in both triangles

                                                                     and given ∠ABC=∠ADB=90°

Hence using AA postulate, ΔABC ≈ ΔADB.

Now we will equate respective side ratios in both triangles.

\frac{AB}{AC}= \frac{AD}{AB}=\frac{BD}{BC}

Since we don't know BD , BC let us take first equality and plugin the variables given in respective sides.

\frac{x}{z}= \frac{p}{x}

Cross multiply

x^{2}=pz

Hence proved.


7 0
3 years ago
Can someone help me out on these geometry questions? Its urgent, gotta have answers fast
almond37 [142]

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12) Addition property of equality [add XY to both sides then use segment addition postulate]

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6 0
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PLEASE HELP!!!! 13 points!!
IRINA_888 [86]
The answer is A 18 inches
7 0
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Find the mean and the median of this data: 9, 6, 5, 3, 28, 6, 4, 7.
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Step-by-step explanation:

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2 years ago
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6 0
3 years ago
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