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3 years ago

Evalute 5x + 4y; if x = 3 and y = 2 O 54 O 22 ОО 95 23

Mathematics

2 answers:

Yanka [14]3 years ago

7 0

The answer is 23 becuase 15+8=23

Masja [62]3 years ago

5 0

Answer:
23

Explanation:
5(3)+4(2)
15+8
you have to plug in the numbers to the given variable. like how x is 3 and y is 2 if that makes sense im not good at explaining math

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Multiply (x-3)(4x+2) using the distributive property.

asambeis [7]

$\text{The distributive property:}\ (a+b)(c+d)=ac+ad+bc+bd\\\\(x-3)(4x+2)=(x)(4x)+(x)(2)-(3)(4x)-(3)(2)\\\\=4x^2+2x-12x-6=4x^2-10x-6$

3 0

3 years ago

Rearrange the equation so u is the independent variable.<br><br> -12u + 13 = 8w - 3 <br><br> w = __

deff fn [24]

Answer: w = -3u/2 + 2

Step-by-step explanation:

-12u + 13 = 8w - 3

-12u + 13 + 3 = 8w -3 + 3

-12u + 16 = 8w

w = -3u/2 + 2

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3 years ago

The estimated probability of a bowler getting a strike during a particular frame is 63%. If several simulations of the bowler bo

Vilka [71]

Answer: Our required probability is 39.69%.

Step-by-step explanation:

Since we have given that

Probability of a bowler getting a strike during a particular frame = 63%

Number of frames are performed = 2

We need to find the probability that the bowler would be most likely to get a strike in each of the two frames.

So, it becomes,

$\dfrac{63}{100}\times \dfrac{63}{100}=(0.63)^2\\\\=0.3969\\\\=39.69\%$

Hence, Our required probability is 39.69%.

3 0

3 years ago

The probability that a given urine sample analyzed in a pathology lab contains protein is 0.73 (event A). The probability that t

Sholpan [36]

$Event\ A\ and\ event\ B\ are\ independent\\\\ \ \Leftrightarrow\ \ \ \ P(A\ \cap\ B)=P(A)\ \cdot\ P(B)\\---------------------\\\\P(A)=0.78\ \ \ and\ \ \ P(B)=0.58\ \ \ and\ \ \ P(A\ \cap\ B)=0.58\\\\P(A)\cdot P(B)=0.78\cdot0.58\ \neq \ 0.58\\\\\Rightarrow\ \ \ Event\ A\ and\ event\ B\ are\ dependent\ \ \ \Rightarrow\ \ \ Ans.\ (?)$

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3 years ago

Please let me know if these are correct as soon as possible! 20 Points!

ss7ja [257]

Answer:

1. the correct answer is no

2. the correct answer is yes

3. the correct answer is yes

Step-by-step explanation:

-5(4)+2(8) = -4

2(11)-7(3) = 1

1/3(9) - 2(-2) = 7

3 0

3 years ago