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3 years ago

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Approximately three out of every 25 Americans live in California

1 answer:

Liula [17]3 years ago

7 0

Is that a question or a true or false question..

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Find the roots of f(x)=2x^2+7x+3 by using the quadratic formula

Oksana_A [137]

Answer:

f(x) = 2 ( x + 7/4)2 - 25/8

Step-by-step explanation:

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2 years ago

Write the fraction that names each part. Write a fraction in worlds and in number to name the shaded part.

Afina-wow [57]

Idk this answer because no triangles are shaded.

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2 years ago

What is the slope of the line?<br> A. 1/2<br><br> B. -2<br><br> C. 2<br><br> D. -1/2

In-s [12.5K]

Answer:

b-2 i think. Im pretty sure its right if not sorry

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2 years ago

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The position of an object moving along an x axis is given by x = 3.24 t - 4.20 t2 + 1.07 t3, where x is in meters and t in secon

Pavel [41]

Answer and explanation:

Given : The position of an object moving along an x axis is given by $x=3.24t-4.20t^2+1.07t^3$ where x is in meters and t in seconds.

To find : The position of the object at the following values of t :

a) At t= 1 s

$x(t)=3.24t-4.20t^2+1.07t^3$

$x(1)=3.24(1)-4.20(1)^2+1.07(1)^3$

$x(1)=3.24-4.20+1.07$

$x(1)=0.11$

b) At t= 2 s

$x(t)=3.24t-4.20t^2+1.07t^3$

$x(2)=3.24(2)-4.20(2)^2+1.07(2)^3$

$x(2)=6.48-16.8+8.56$

$x(2)=-1.76$

c) At t= 3 s

$x(t)=3.24t-4.20t^2+1.07t^3$

$x(3)=3.24(3)-4.20(3)^2+1.07(3)^3$

$x(3)=9.72-37.8+28.89$

$x(3)=0.81$

d) At t= 4 s

$x(t)=3.24t-4.20t^2+1.07t^3$

$x(4)=3.24(4)-4.20(4)^2+1.07(4)^3$

$x(4)=12.96-67.2+68.48$

$x(4)=14.24$

(e) What is the object's displacement between t = 0 and t = 4 s?

At t=0, x(0)=0

At t=4, x(4)=14.24

The displacement is given by,

$\triangle x=x(4)-x(0)$

$\triangle x=14.24-0$

$\triangle x=14.24$

(f) What is its average velocity from t = 2 s to t = 4 s?

At t=2, x(2)=-1.76

At t=4, x(4)=14.24

The average velocity is given by,

$\triangle x=x(4)-x(2)$

$\triangle x=14.24-(-1.76)$

$\triangle x=14.24+1.76$

$\triangle x=16$

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2 years ago

Which equation describes the relationship between the variables in the table below?

Dafna11 [192]

The answer would be D praise our lord zucc

8 0

2 years ago

Read 2 more answers