3 years ago

Write an equivalent expression for 2(x + 6) - 8

Mathematics

1 answer:

Dafna1 [17]3 years ago

4 0

An equivalent expression would be 2x+4

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A box contains 23 transistors,6 of which are defective. If 6 are selected at random, find the probility that none are defective

ipn [44]

$|\Omega|=C(23,6)=\dfrac{23!}{6!17!}=100947\\
|A|=C(17,6)=\dfrac{17!}{6!11!}=12376\\\\
P(A)=\dfrac{12376}{100947}=\dfrac{1768}{14421}$

3 0

3 years ago

Angle XYZ = 2X° and angle PQR = (8X -20)°. If angle XYZ and angle PQR are supplementary, find the measure of each angle. Angle P

Alchen [17]

Answer:

$PQR = 140$

Step-by-step explanation:

Given

$XYZ = 2X$

$PQR = 8X - 20$

Required

Find PQR

Since both angles are supplementary, we have:

$XYZ + PQR = 180$

This gives:

$2X + 8X - 20 = 180$

$10X - 20 = 180$

Collect Like Terms

$10X = 20 + 180$

$10X = 200$

Divide through by 10

$X = 20$

Substitute 20 for X in $PQR = 8X - 20$

$PQR = 8 * 20 -20$

$PQR = 140$

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3 years ago

Please help meh ill mark braniliest!!

Crazy boy [7]

Answer:

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WINSTONCH [101]

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3 years ago

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Find vertex and axis of symmetry <br> -3(x-4)^2+1

Yuki888 [10]

Answer:

vertex=(4,1)

aos:x=4

8 0

3 years ago