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zheka24 [161]
3 years ago
6

Wyatt surveyed 200 of the students in his school about their favorite color. 30% said their favorite color was purple. How many

students' favorite color was purple?
Mathematics
2 answers:
zalisa [80]3 years ago
8 0
60. 200 x .3 equals 60
lord [1]3 years ago
3 0

Answer:60

Step-by-step explanation:

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I’m not sure if this is right but im guessing c.
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7x - 22 = 41<br> Im having trouble with this problem
Charra [1.4K]

Answer:

x = 9

Step-by-step explanation:

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Which of the following has no solution?
Softa [21]

Answer:

(x + 1 s 1) n (x + 12 1)

(x +1<1) n (x + 1 > 1)

Step-by-step explanation:

Just simplify each the statements.

Then compare and and see if the statements are contradictory and therefore FALSE, if so, then there is no solution.

(x + 1<-1) n (x + 1< 1)

(x <-2) n (x < 0) which is true, so there is a solution.

(x + 1 s 1) n (x + 12 1)

this doesn't make sense so there is no solution.

(x +1<1) n (x + 1 > 1)

(x < 0) n (x > 0)

This is not possible, the statements are contradictory and therefore FALSE, so there is no solution.

5 0
2 years ago
Which functions have an axis of symmetry of x = -2? Check all that apply. A. f(x) = x^2 + 4x + 3 B. f(x) = x^2 - 4x - 5 C. f(x)
Snowcat [4.5K]

Answer:

A. f(x) = x^2 + 4x + 3

D. f(x) = -2x^2 - 8x + 1

Step-by-step explanation:

The axis of symmetry is found by h = -b/2a  where ax^2 +bx +c

A. f(x) = x^2 + 4x + 3

  h = -4/2*1 = -2    x=-2

B. f(x) = x^2 - 4x - 5

h = - -4/2*1 = 4/2 =2  x=2  not -2

C. f(x) = x^2 + 6x + 2

h =  -6/2*1 = -3/2 =  x=-3/2  not -2

D. f(x) = -2x^2 - 8x + 1

h = - -8/2*-2 = 8/-4 =-2  x=-2  

E. f(x) = -2x^2 + 8x - 2

h = - 8/2*-2 = -8/-4 =2  x=2  not -2

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3 years ago
10 POINTS + BRAINLIEST TO FIRST CORRECT ANSWER!!! THANK YOU!
Fofino [41]

Answer:

The answer is A (Look at the graph of the relationship. Find the y-value of the point that corresponds to x = 1. That value is the unit rate)

Step-by-step explanation:

Because the proportional relation is defined by k = \frac{y}{x}. If ratio is \frac{units}{1unit} then it is a rate. Unit rate means per 1 unit such as \frac{amountofmoney}{1kg} or \frac{km}{1hour} thus the correct answer is A.

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