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e-lub [12.9K]
3 years ago
15

Answer question and show work please

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
5 0
The recipes include: \frac{1}{2}\frac{3}{8}\frac{3}{10}
finding their lcm gives:
\frac{12,20,15}{40}
arranging them 
\frac{3}{10}\frac{3}{8}\frac{1}{2}
please mark as brainliest
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HELP ME ANSWER THIS QUESTION QUICKLY BEFORE KATIE REMOVES IT FOR SOME RANDOM REASON.
Marrrta [24]

Answer:

\vec{BC}=2b - 4a

\vec{XY}=a+ b

\vec {CY}=a - 2b

Step-by-step explanation:

By the triangular law of vector addition:

\vec {CY}=\vec {CA}+ \vec{AY}

\vec {CY}=a - 2b

We have that;

\frac{YB}{AY} =  \frac{3}{1}

\implies YB = 3 AY \\  \vec {YB}  = 3  \vec {AY}

\vec {YB}  = 3 a

From triangle ABC,

\vec{BC}=\vec{BA}+\vec{AC} \\ \vec{BC}=2b - 4a

Again from triangle XYB

\vec{XY}=\vec{YB}+\vec{BX} \\

\vec{XY}=\vec{YB}+ \frac{1}{2} \vec{BC}

\vec{XY}=3a+ \frac{1}{2} (2b - 4a)

\vec{XY}=3a+ b - 2a \\ \vec{XY}=a+ b

4 0
3 years ago
What is the value of m in the equation 1/2 m - 3/4n=16 when n=8
zhuklara [117]
1/2m - 6= 16
1/2m=22
m= 44
6 0
2 years ago
After flying between two black holes, our engines have been a bit janky. The probability of one of any of our 8 power couplings
otez555 [7]

Answer:

Step-by-step explanation:

We would apply the formula for binomial distribution. It is expressed as

P(x = r) = nCr × q^(n - r) × p^r

Where

p represents probability of success

q represents probability of failure.

n represents number of sample.

From the information given,

p = 10% = 10/100 = 0.1

q = 1 - q = 1 - 0.1 = 0.9

n = 8

1)The probability that none fails is

P(x = 0) = 8C0 × 0.9^(8 - 0) × 0.1^0

P(x = 0) = 0.43

2) The probability that one fails is

P(x = 1) = 8C1 × 0.9^(8 - 1) × 0.1^1

P(x = 1) = 0.38

3) The probability that four fails is

P(x = 4) = 8C4 × 0.9^(8 - 4) × 0.1^4

P(x = 4) = 0.0046

3) The probability that six fails is

P(x = 6) = 8C6 × 0.9^(8 - 6) × 0.1^6

P(x = 6) = 0.00002268

4) The probability that eight fails is

P(x = 8) = 8C8 × 0.1^(8 - 8) × 0.1^8

P(x = 8) = 0.00000001

5 0
3 years ago
At Garland School,
ankoles [38]

490 x 2/5 = 980/5 = 196 girls at Garland


945 x 5/7 = 4725/7 = 675 girls at Bowood


Bowood has more girls:

675-196 = 479 more

8 0
2 years ago
The average number of Saturday night shootings is 5 a night. What’s the chance that there will be a need for exactly 3 shootings
pishuonlain [190]

Answer:

0.14

Step-by-step explanation:

Using the poisson probability relation :

P(x = x) = (λ^x * e^-λ) ÷ x!

From the question ; mean, λ = 5 ; x = 3

Hence,

P(x = 3) = (5^3 * e^-5) ÷ 3!

P(x = 3) = (125 * 0.0067379) / 6

P(x = 3) = 0.8422375 / 6

P(x = 3) = 0.140

5 0
2 years ago
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