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4vir4ik [10]
3 years ago
15

Find segment ET. Please and thank you​

Mathematics
1 answer:
Solnce55 [7]3 years ago
4 0

Answer:

x=9

Step-by-step explanation:

Use the intersecting chord theorem:

RE*ET = UE*ES

Substitute values

21 (2x+2) = 30 (x+5)

Expand:

42x+42 = 30x + 150

transpose and simplify

42x-30x = 150 - 42

12x = 108

x = 9

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5 0
3 years ago
Which of the following expressions does not represent “increase a quantity n by 25%”?
nexus9112 [7]

Option C) 125n is the expression that does not represent “increase a quantity n by 25%

<u>Step-by-step explanation:</u>

The given expressions are for the quantity n which is increased by 25%.

  • Let us consider that n = 100.
  • The increase of n by 25 % is equal to 125.
  • Check for each options by substituting n=100 and the expression gives 125 or not.
  • Check which option does not represent the condition (increase of n by 25%)

<u>Option A) n + 0.25n </u>

Put n = 100,

⇒ 100 + 0.25(100)

⇒ 100 + 25

⇒ 125

So, option A) represents the given condition.

<u>Option B) (1 + 0.25)n</u>

Put n = 100,

⇒ (1+0.25) 100

Multiply 100 with each terms inside the bracket.

⇒ 100 + 25

⇒ 125

So, option B) represents the given condition.

<u></u>

<u>Option C) 125n</u>

Put n = 100,

⇒ 125 × 100

⇒ 12500

So, option C) does not represents the given condition.

<u>Option D) 1 1/4 n</u>

Put n = 100,

Convert the mixed fraction to proper fraction

⇒ (5/4) n

⇒ (5/4) 100

⇒ 500 / 4

⇒ 125

So, option D) represents the given condition.

<u></u>

<u></u>

7 0
4 years ago
FIND THE AREA (LEAVE EXPLANATION)
KIM [24]

Answer:

40

Step-by-step explanation:

solve for two squares. Square 1: 32. Square 2: 8. answer: 32 + 8

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3 years ago
Help i have 2 min fvdfbvyudf
KIM [24]

Answer:

2x^2

Step-by-step explanation:

hope this helps :)

5 0
3 years ago
Read 2 more answers
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