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3 years ago

SUPER URGENT PLEASE HELP! ALGEBRA 2! Please explain answer!

Mathematics

1 answer:

Musya8 [376]3 years ago

4 0

The vertical line is A: x is greater than 5 and the diagonal line is y is greater than -(2/3)*x +15+1/3

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A stack of cards is numbered 1 to 21. Kelly pulls one card from the stack. What is the best approximation for the probability th

ASHA 777 [7]

The correct answer is 48%

There are 10 even numbers from 1 to 21.

That makes the probability of an even number 10 out 21.

10 / 21 x 100 = 48%

8 0

3 years ago

Jeremy will roll a number cube, numbered 1-6, twice. What is the probability of rolling an even number than the number 3?

andreyandreev [35.5K]

There are 6 possible outcomes on a dice. Meaning when you roll it it could be any of them. Because 3 is one of the 6 the answer would be 1/6

3 0

3 years ago

HURRY PLEASE!!!!!

loris [4]

Answer:

4^5/4^2

Step-by-step explanation:

We know 1/a^b = a^-b

a^b/ a^c = a^(b-c)

1/4^3 = 4^-3

4^2/4^5 = 4^(2-5) = = 4^-3

4^5/4^2 = 4^(5-2) = 4^3

4^-3

8 0

3 years ago

Read 2 more answers

Which ordered pair is a solution to the equation?

mezya [45]

Answer:

Step-by-step explanation:

4(4) = -7(-3) - 5

16 = 21 - 5

16 = 16

answer is D

7 0

3 years ago

Evaluate the discriminant of -3x2+5-4=0

krok68 [10]

Answer:

-23

Step-by-step explanation:

A quadratic equation is given to us and we are interested in finding the discriminant of the quadratic equation . As we know that ,

If the quadratic equation is in Standard form ,

$\sf\longrightarrow ax^2+bx + c = 0$

The discriminant is ,

$\sf\longrightarrow D = b^2-4ac$

The given quadratic equation is ,

$\sf\longrightarrow -3x^2 +5x - 4 = 0$

On comparing it with the Standard form , we have ,

a = (-3)
b = 5
c = (-4)

So that ,

$\sf\longrightarrow D = (5)^2 - 4(-3)(-4)\\$

$\sf\longrightarrow D = 25 - 48\\$

$\sf\longrightarrow \bf D = -23$

Also note that if D < 0 , then the roots are complex conjugates .

<h3>Hence the discriminant is (-23).</h3>

5 0

2 years ago