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algol [13]
3 years ago
8

Suppose there are 20 questions on a multiple choice test. Is 25% of the answers are choice B, how many of the answers are not ch

oice B?
Mathematics
1 answer:
dangina [55]3 years ago
5 0
25% of 20 is 5. If 5 questions are B, the. the other 15 are not B.
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Identifying Slope and y-Intercept of a Line
Ira Lisetskai [31]

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y = mx + b

m - slope

b - y-intercept

y = 1 - 3x = -3x + 1

slope = -3

y-intercept at 1

y = 3x - 1

slope = 3

y-intercept at -1

x - 3 = y → y = 1x - 3

slope = 1

y-intercept at -3

x + 3 = y → y = 1x + 3

slope = 1

y-intercept at 3

6 0
3 years ago
I really need help with this
ElenaW [278]
Number of boys:
1000/2+20/2=510
Number of girls:
1000/2-20/2=490
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5 0
3 years ago
What is the slope of the table.
aev [14]

Answer:

slope is -5

Step-by-step explanation:

The formula for slope is:

m = (y2 - y1)/(x2 - x1)

m = slope

y2 = y-coordinate of second point

y1 = y-coordinate of first point

x2 = x-coordinate of second point

x1 = x-coordinate of first point

We can choose our first and second points as any points on the table, but we will choose the first andd second points which are (-5,10) and (-3,0).

y2 = 0

y1 = 10

x2 = -3

x1 = -5

m = (0-10)/(-3-(-5))

m = (-10)/(-3+5)

m = (-10)/(2)

m = -5

6 0
2 years ago
Which statement about the best estimation strategy for this problem is correct?
Degger [83]
Selection B is the best choice.

_____
Ms Levy paid for 1 hotel room at ~ $200, and 2 tickets at ~ $100 each.
8 0
3 years ago
4. To draw graph of 4x+ 5y = 19, Find y<br>when a=1<br>(A) 4<br>(B 3<br>62<br>D2-3​
babymother [125]
There’s no a in the the equation
6 0
3 years ago
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