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2 years ago

Four towns are located along a

Mathematics

1 answer:

Tamiku [17]2 years ago

5 0

Answer:

30 miles

Step-by-step explanation:

thank you have a good day and take care be safe :)

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What is the sign of f on the interval -2

TEA [102]

Answer:

$f$ is sometimes positive and sometimes negative.

Step-by-step explanation:

$f(x)=(x-3)(x+2)(x+4)(x+4)(x-1)(2x-9)$

Take $x=-1\in(-2,\frac{9}{2})\ as-2$

$f(-1)=(-1-3)(-1+2)(-1+4)(-1-1)(-2-9)\\\\=(-4)(1)(3)(-2)(-11)\\\\=-264\\\\f(-1)$

Take $x=2\in(-2,\frac{9}{2})\ as\ -2$

$f(2)=(2,-3)(2+2)(2+4)(2-1)(2\times2-9)\\\\=(-1)(4)(6)(1)(-5)\\\\=120\\\\f(2)>0$

Hence $f(x)$ for $x=-1$ and $f(x)>0$ for $x=2$

So $f$ is sometimes positive and sometimes negative in the interval.

3 0

3 years ago

What is the y-intercept of the polynomial f(x)f(x) defined below? Write the y-value only. f(x)=-4x^2+x^5+10x^3+5x+8x^4

Debora [2.8K]

Answer:

Step-by-step explanation:

stop cheating lololololol

3 0

2 years ago

Josephine wants to put a wallpaper border around the ceiling of her room. The dimensions are right there. How many feet of borde

joja [24]

You might want to check what I did just in case cause it's been a few years but it should be good. I hope this helps!

10.75 x 8.5 = 91.375

7 0

3 years ago

NEED ANSWER ASAP!!!! will mark you brainliest!!! Thank you!!!

iVinArrow [24]

Answer:

62°

Step-by-step explanation:

Since one arm making angle x is diameter. So, by inscribed angle theorem, we have:

$x = \frac{1}{2} (180 \degree - 56 \degree) \\ \\ x= \frac{1}{2} \times 124 \degree \\ \\ \huge \red{ \boxed{x = 62 \degree}}$

5 0

2 years ago

What is the numerical coefficient of this term -3z

denpristay [2]

The numerical coefficient of this term is -3.

3 0

3 years ago