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Paha777 [63]
4 years ago
9

X= a) 27 b) 54 c) 61

Mathematics
2 answers:
Harlamova29_29 [7]4 years ago
8 0

Answer:

The measure of ∠x=27°

Step-by-step explanation:

Given the figure  

we have to find the value of x  

As the arc AC is 68° i.e m arc(AC)=68°

By theorem, the angle subtended at the centre is twice the angle subtended at the circumference of circle i.e

m arc(AC)=2∠ABC

\angle ABC=\frac{1}{2}m arc(AC)=\frac{1}{2}\times 68=34^{\circ}

As ∠BED=61°

∠AEB and ∠BED forms a linear pair therefore their sum adds up to 180°

∠AEB + ∠BED=180°

∠AEB =180°-61°=119°

In ΔAEB, by angle sum property

∠BAE+∠ABE+∠AEB=180°

x+34°+119°=180°

x=180°-34°-119°=27°

Hence, the measure of ∠x=27°

Option a is correct

Kipish [7]4 years ago
3 0

Answer:

The measure of ∠x=27°

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What percent of 147 is 56 ​
ziro4ka [17]

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Step-by-step explanation:

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3 years ago
Thomas took three 100-point quizzes, and the mean score for the three quizzes was 87 points. If the highest score is taken away,
Olegator [25]

Answer:

The highest score is 94.

Step-by-step explanation:

Let the highest score be denoted by, <em>A</em>, the lowest score be, <em>B</em> and the middle score be <em>X</em>.

Then,

A + X + B = 87 × 3 = 261 ...(i)

X + B = 83.5 × 2 = 167 ...(ii)

⇒ B = 167 - X ...(iii)

A + X = 89 × 2 = 178 ...(iv)

⇒ A = 178 - X ...(v)

Substitute (iii) and (v) in (i) and solve for <em>X</em> as follows:

A + X + B = 261

178 - X + X + 167 - X = 261

345 - X = 261

X = 84

Substitute the value of <em>X</em> in (iii) and solve for B as follows:

B = 167 - X

   = 167 - 84

   = 83

Substitute the value of <em>X</em> in (v) and solve for A as follows:

A = 178 - X

   = 178 - 84

   = 94

Thus, the highest score is 94.

5 0
3 years ago
If f(1) = 2 – 2 anid 9(37)<br> and g(x) = x2 – 9, what is the domain of g(x) = f(x)?
lana66690 [7]

Answer:

B

Step-by-step explanation:

Let divide g(x) by f(x)

\frac{ {x}^{2} - 9 }{2 - x {}^{ \frac{1}{2} } }

The domain of a rational function cannot equal zero so let set the bottom function to zero.

2 - x {}^{ \frac{1}{2} }  = 0

x  {}^{ \frac{1}{2} }  = 2

Square both sides

x = 4

Also we can simplify the bottom denomiator into a square root function

2 -  \sqrt{x}

The domain of a square root function is all real number greater than or equal to zero because a square root of a negative number isn't graphable.

So we must find a answer that

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8 0
3 years ago
Kesley is thinking of a number. She says that it’s the sum of a number and nine. Multiplied by 2/3, is equal to -18.
Aliun [14]

Answer:

Only the firsts and fourth choices (\frac{2}{3}(x+9)=-18 and \frac{2}{3}x+6=-18)

Step-by-step explanation:

Turn the equation into words:

"A number plus 9"

(x+9)

"Multiplied by \frac{2}{3}"

\frac{2}{3} (x+9)

"Is equals to -18"

\frac{2}{3}(x+9)=-18

Distribute to find the second equation:

\frac{2}{3}(x+9)=-18\\\frac{2}{3}x+6=-18

7 0
3 years ago
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