3 years ago

?????? What's this one

Mathematics

1 answer:

Soloha48 [4]3 years ago

7 0

The closest distance is C. 12 feet

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What is a number increased by 7 multiplied by 4?

Lana71 [14]

Answer:

Step-by-step explanation:

9 + 7 is `16, and 16 is a multiple of 4

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2 years ago

H(x)=(x^2)+1 and K(x)=-(x^2)+4. If K(H)=0, what are the roots/solutions?

zubka84 [21]

$H(x)=(x^2)+1\ \ \ \ and\ \ \ \ K(x)=-(x^2)+4. \\\\K(H)=-(H^2)+4=-(x^2+1)^2+4=4-(x^2+1)^2=\\\\.\ \ \ =2^2-(x^2+1)^2=(2-x^2-1)(2+x^2+1)=(1-x^2)(3+x^2)=\\\\.\ \ \ =(1-x)(1+x)(x^2-3\cdot i^2)=(1-x)(1+x)(x- \sqrt{3} \cdot i)(x+ \sqrt{3} \cdot i)\\\\ K(H)=0\ \ \ \ \Leftrightarrow\ \ \ (1-x)(1+x)(x- \sqrt{3} \cdot i)(x+ \sqrt{3} \cdot i)=0\\\\x=1\ \ \ \ or\ \ \ \ x=-1\ \ \ \ or\ \ \ \ x=\sqrt{3} \cdot i\ \ \ \ or\ \ \ \ x=-\sqrt{3} \cdot i\\\\Ans.\ e.$

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2 years ago

La ecuación trigonométrica que no tiene solución es: a. cos x = 0 b. sen x = 0 c. sen x = -1 d. sen x = 1

s344n2d4d5 [400]

Answer:

Step-by-step explanation:

3 0

2 years ago

Help! Directions too please!:)

NISA [10]

Slope of function B is "rising" 3 and going over to the right by 1. Representing the slope as 3/1 = 3.

Slope of function A is already giving. If you multiply the slope of function B by 2, it will equal the slope of Function A

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2 years ago

-1/2=y-1 <br> I don’t understand this

Greeley [361]

You would add 1 to both sides to get the y alone on the right side. Then it would be y = 1+ -1/2 which is y = 1/2. Hope you understand better!

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2 years ago