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Alex73 [517]
3 years ago
11

You pick a card at random what is p(3 or even)

Mathematics
1 answer:
finlep [7]3 years ago
4 0

Answer:

probability=events over the sample space

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Solve the system using elimination<br> y=-3x+6<br> y=x^2-4
ElenaW [278]
Mutiply first equation by -1 and add to 2nd

-y=3x-6
<u>y=x^2-4 +</u>
0=x^2+3x-10
factor like any equation
what 2 numbers multiply to -10 and add to 3
-2 and 5
0=(x-2)(x+5)
set to zero
x-2=0
x=2

x+5=0
x=-5
solve for y in each case

for x=2
y=2^2-4
y=4-4
y=0
(2,0) is a point

for x=-5
y=(-5)^2-4
y=25-4
y=21
(-5,21) is another



the solutions are
(2,0) and
(-5,21)
8 0
3 years ago
Is the polynomial prime? <br> 7x2-35x+2x-10
wolverine [178]

The given polynomial is not a prime polynomial.

Given the polynomials, we have to choose the polynomial which is prime.

A polynomial with integer coefficients that cannot be factored into lower degree polynomials is Prime polynomials.

7x^2-35x+2x-10

7x^2-33x-10

\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}

<h3>What is the formula for the quadratic roots?</h3>

\quad x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

\mathrm{For\:}\quad a=7,\:b=-33,\:c=-10

x_{1,\:2}=\frac{-\left(-33\right)\pm \sqrt{\left(-33\right)^2-4\cdot \:7\left(-10\right)}}{2\cdot \:7}

x_{1,\:2}=\frac{-\left(-33\right)\pm \sqrt{\left(-33\right)^2-4\cdot \:7\left(-10\right)}}{2\cdot \:7}

x_{1,\:2}=\frac{-\left(-33\right)\pm \:37}{2\cdot \:7}

x_1=\frac{-\left(-33\right)+37}{2\cdot \:7},\:x_2=\frac{-\left(-33\right)-37}{2\cdot \:7}

x=5,\:x=-\frac{2}{7}

Therefore the factor is (x-5) and (7x+2).

can be factored

∴ not a prime polynomial.

To learn more about the prime polynomial visit:

brainly.com/question/26388060

#SPJ1

4 0
2 years ago
I need help with this question. Please &amp; thank you!
ollegr [7]

B

dividing with the same numbers and different exponents is like subtracting the exponents

16-8 = 8

6 0
3 years ago
Read 2 more answers
1. What name is given to the shaded region?
mario62 [17]

Answer:

1.sector 2. chords

Step-by-step explanation:

chord of a circle is a straight line segment whose endpoints both lie on a circular arc. ... More generally, a chord is a line segment joining two points on any curve, for instance, an ellipse. A chord that passes through a circle's center point is the circle's diameter.

3 0
3 years ago
Joshua orders some drinks for himself and some friends. He orders three cappuccinos, two iced teas, two cafe lattes, and an espr
Tju [1.3M]

Answer: 1.23

Explanation: hope this helps

8 0
3 years ago
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