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Aneli [31]
4 years ago
11

MATH HELP 100 POINTS PLEASE

Mathematics
2 answers:
luda_lava [24]4 years ago
6 0

Answer:

Step-by-step explanation:

From the plot, the two lines represent:

y = x + 1

and

y = -x - 2

For inequality, a dotted line means < or > while a solid line means >= or =<

The system of linear inequalities is y >= x + 1 and y > -x - 2

gogolik [260]4 years ago
3 0

Answer:

Step-by-step explanation:

solid line means >=

y >= x+1

dotted line mean >

y > -x-2

combining

the system of inequalities is y >= x+1 and y > -x-2

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A function f (x) = 2X + x1. A- determine the value of f (3) b-calculate the zero function
Molodets [167]
Given that the function is given by:
f(x)=2x+x
when x=3, then:
f(3)=2(3)+3
f(3)=6+3
f(3)=9

b] The zero of the function will be given by:
f(x)=2x+x=3x
When x=0 then f(x)=0, hence the zero of the function will be at x=0
5 0
4 years ago
A football player punts a ball. The path of the ball can be modeled by the equation y = –0.004x2 + x + 2.5, where x is the horiz
Galina-37 [17]
The answer is <span>252.5 ft

</span><span>y = –0.004x</span>²<span> + x + 2.5
Let's take y = 0 and we'll get the quadratic equation:

</span>–0.004x² + x + 2.5 = 0
The general formula for quadratic equation is:
ax² + bx + c = 0

a = -0.004
b = 1
c = 2.5

x_{1,2} = \frac{-b+/- \sqrt{ b^{2}-4ac} }{2a} =\frac{-1+/- \sqrt{ 1^{2}-4*(-0.004)*2.5} }{2*(-0.004)} = \frac{-1+/- \sqrt{1+0.04} }{-0.008} = \\ &#10;=\frac{-1+/- \sqrt{1.04} }{-0.008} = \frac{-1+/-1.02}{-0.008}

x_1=\frac{-1+1.02}{-0.008} = \frac{0.02}{-0.008} = -2.5 \\ &#10;x_2=\frac{-1-1.02}{-0.008} = \frac{2.02}{-0.008} = 252.5

Since distance cannot be negative (x1), the correct answer is x2 = 252.5 ft
5 0
3 years ago
Read 2 more answers
HELP!!! Due in 10 mins help me pls! WILL GIVE BRAINLIEST!!!
Vadim26 [7]

Answer:

1234567890

Step-by-step explanation:

Each of the digits is divisible by their individual index in the number. Adding a 0 at the ends allows for the number to be divisible by 10 and completes the 10 digit requirement.

3 0
3 years ago
Read 2 more answers
Which expressions are equivalent. Picture Provided. NO LINKS! NEED ANSWER ASAP
DIA [1.3K]

Answer:

B) 3^-5 <em>(1 / 243)</em> and D) 2^5 x 6^-5 <em>(</em><em>1</em><em> </em><em>/</em><em> </em><em>2</em><em>4</em><em>3</em><em>)</em>

Step-by-step explanation:

3 to the negative 5th power as a fraction is

1 / 243.

2 to the power of 5 multiplied by 6 to the power of negative 5 also equals 1 / 243.

Both expressions are equivalent to 2^5 / 6^5 because they equal the same thing (1 / 243).

3 0
3 years ago
Below, enter x If the graph of the given equation is symmetric with respect to the x-axis, y if it is symmetric with respect to
ololo11 [35]

Answer:

Step-by-step explanation:

You can tell by looking at the form of each equation.

y = tx

This is a straight line that passes through the origin, so it symmetric with respect to the origin.

y = x²+1

This is an up-opening parabola with vertex at (0,1), so it is symmetrical about the y-axis.

y = x²+x = (x+½)² - ¼

This is an up-opening parabola with vertex at (-½,-¼). Not symmetrical to either axis nor to the origin.

Can't tell what "y = (1 + x2)3" means. Which terms are exponents?

5 0
3 years ago
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