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sergey [27]
3 years ago
6

Y = A system of equations. Y equals StartFraction 2 over 3 EndFraction x plus 1. Y equals negative StartFraction 2 over 3 EndFra

ction x minus 1x + 1 and y = x – 1
Mathematics
1 answer:
pishuonlain [190]3 years ago
5 0
Rg124gj
Tyig1690
ax^2
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Original Price $60 Percent of Discount Sale Price $45
Brums [2.3K]

Answer:

15

Step-by-step explanation:

8 0
3 years ago
In a city school, 70% of students have blue eyes, 45% have dark hair, and 30% have blue eyes and dark hair. What is the probabil
Travka [436]

<u>Answer:</u>

The correct answer option is 43%.

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

We are given that 70% of students have blue eyes, 45% have dark hair, and 30% have blue eyes and dark hair.

We are to find the probability of a student getting selected will have dark hair with blue eyes.

P(D|B) = P(D∩B) / P(B)

Substituting the given values in it to get:

P(D|B) = 0.3 / 0.7 = 0.428

Rounding it to the nearest whole percent we get:

0.428 × 100 = 42.8% ≈ 43%

4 0
3 years ago
Solve the equation 7(w +13) = 35.<br> ) What is the value of w?
Nina [5.8K]

Answer: -8

Step-by-step explanation:

  1. 7(w+13)=35 [given]
  2. w+13=5 [divide both sides by 7]
  3. w = -8 [subtract 13 from both sides]
3 0
1 year ago
Read 2 more answers
(11x + 8) + (8x + 12) =27
Tju [1.3M]

Answer:

11x + 8 +8x +12 =27  (drop the parenthesis, there's no actual need for them)

19x +20 =27 (i combined like terms and then subtracted 20 from both sides)

19x = 7  (divide both sides by 19 to get x alone)

x= 7/19 or 0.36842105 (the answer)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A circle has a circumference of 361\pi361π361, pi. What is the diameter of the circle?
denpristay [2]
Remember, C=\pi d, where C is circumference and tex]d[/tex] is the diameter. They are related by a constant \pi (pi).

We can solve the above equation for d and then substitute our known values.
C=\pi d

d= \dfrac{C}{ \pi } =  \dfrac{361  \pi }{ \pi } = 361 \ units
7 0
3 years ago
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