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shtirl [24]
3 years ago
13

According to the table below, what is the probability that the grade of the student chosen at random times will be B or higher

Mathematics
2 answers:
steposvetlana [31]3 years ago
6 0

Picture of table please

m_a_m_a [10]3 years ago
6 0

Answer:

0.4

Step-by-step explanation:

apexs

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How many buttons are found on a simple calculator? It is measured in the _____.
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Answer: The minimum is 16, probably arranged in 4 rows of 4 buttons.


Step-by-step explanation: just grab a calculator lol



8 0
3 years ago
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Help I need to know What is the volume of this cylinder?
Likurg_2 [28]

Answer:

V =4923.52 mm^3

Step-by-step explanation:

The volume of a cylinder is

V = pi r^2h

We need to get the radius

r = d/2 = 28/2 = 14

V = 3.14 * 14^2 *8

V =4923.52 mm^3

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3 years ago
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10. The bill (including parts and labor) for the repair of an oven was $142. The cost
Lubov Fominskaja [6]

Total cost=$142

cost of parts=$62

cost paid for labour=$142-$62=$80

According to question,

》cost of labour per hr=$32

which can be written as,

》cost of labour/time=$32

Use cross multiplication,

》time=cost of labour/32

Since cost of labour is 80,

Time=80/32

=2.5hrs

6 0
3 years ago
Find the x-intercept of the parabola with vertex (1,-13) and y-intercept (0,-11).
Advocard [28]
1. find equation

general solutions are:
y = a x^{2} +bx +c \\ \\ \frac{dy}{dx} = 2ax +b

for P(0,-11)

-11 = 0a + 0b +c ⇒c = -11

for p(1,-13)
-13 = 1a + 1b -11 \\ a+b = -2

and

0 = 2a + b \\ b = -2a

solve for a and b:
a - 2a = -2 \\ a = 2 \\ b = -4

the total equation is now:

y = 2 x^{2} -4x -11

To find the x-intercept set y=0 and solve for x

0 = 2 x^{2} -4x-11
4 0
3 years ago
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Binks needs to raise at least $3600. He was given $200 and plans to save $50 a week. Select all of the inequalities that represe
kherson [118]

Answer:

I'm pretty sure it is 50n+200 <u><</u> 3600

Step-by-step explanation:

Im to fully sure tho

5 0
3 years ago
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