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Elenna [48]
2 years ago
5

What is the solution to w - 9 1/2 = 1524 1/26 1/223 1/25 1/2​

Mathematics
2 answers:
VladimirAG [237]2 years ago
3 0

Answer:

Option A

Step-by-step explanation:

Convert mixed fraction to improper fraction.

\sf w - 9\dfrac{1}{2}=15\\\\     w - \dfrac{19}{2}=15

Now isolate 'w'

\sf w = 15 +\dfrac{19}{2}\\\\= \dfrac{15*2}{1*2}+\dfrac{19}{2}\\\\=\dfrac{30}{2}+\dfrac{19}{2}\\\\=\dfrac{30+19}{2}\\\\=\dfrac{49}{2}\\\\= 24\dfrac{1}{2}

fredd [130]2 years ago
3 0

Answer:

\huge\boxed{\bf\:w = \frac{49}{2} = 24\frac{1}{2} = 24.5}

Step-by-step explanation:

w - 9 \frac { 1 } { 2 } = 15

Multiply both the sides of the equation by 2.

2w-\left(9\times 2+1\right)=30 \\2w-\left(18+1\right)=30 \\2w-19=30

Bring 19 to the left hand side of the equation.

2w=30+19 \\2w=49 \\\boxed{\bf\:w = \frac{49}{2} = 24\frac{1}{2} = 24.5}

\rule{150pt}{2pt}

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7 0
2 years ago
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at a particular high school, 42% of the students participate in sports and 25% of the students participate in drama. if 53% of t
baherus [9]

The probability that a student participates in both sports and drama is 0.14.

<h3>What is the formula for P(AUB), where A and B are any two events?</h3>

If A and B are any two events, then the probability of the joint event (A\cup B) is given by the following formula: P(A\cup B)=P(A)+P(B)-P(A\cap B)

Given that 42% of the students participate in sports and 25% of the students participate in drama and 53% of the students participate in either sports or drama.

Suppose S denotes that "a student participates in sports" and D denotes that "a student participates in drama".
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We want to find the probability that a student participates in both sports and drama i.e., we want to find P(S\cap D).

By the above formula, we obtain:

P(S\cup D)=P(S)+P(D)-P(S\cap D)\\\Longrightarrow P(S\cap D)=P(S)+P(D)-P(S\cup D)\\\Longrightarrow P(S\cap D)=0.42+0.25-0.53\\\therefore P(S\cap D)=0.14=\frac{14}{100}

Therefore, the probability that a student participates in both sports and drama is 0.14.

To learn more about probability, refer: brainly.com/question/24756209

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Answer:

<em>120 degrees</em>

Step-by-step explanation:

Find the diagram attached.

From the diagram;

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The sum of interior angle of the triangle is equal to exterior

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Given

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m∠BCA =50

m∠DAB = 70 + 50

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3 years ago
4w + x + 2y - 3z= -16
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See photo. I hope it helps

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