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3 years ago

Wich expression makes equation true for all values of x.

Mathematics

1 answer:

seropon [69]3 years ago

5 0

Answer:

Step-by-step explanation:

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A truck traveled 232 miles in 4 hours. The truck continued traveling at the same average speed. How many miles,

vlada-n [284]

Answer:

319 miles.

Step-by-step explanation:

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3 years ago

This circle is centered at the origin, and the length of its radius is 8. What is

Kitty [74]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \tt \rightarrow \: x² + y² = 64$

____________________________________

$\large \tt Solution \: :$

Standard equation of circle is :

$\qquad \tt \rightarrow \: (x - h) {}^{2} + (y - k) {}^{2} = {r}^{2}$

$\textsf{h = x - coordinate of centre of circle}$

$\textsf{k = y - coordinate of centre of circle}$

$\textsf{r = radius= 8}$

Since the circle is centered at origin, h = k = 0

$\qquad \tt \rightarrow \: (x - 0) {}^{2} + (y - 0) {}^{2} = {8}^{2}$

$\qquad \tt \rightarrow \: {x}^{2} + {y}^{2} = 64$

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

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2 years ago

Use the substitution method to solve the system of equations. Choose the

Hatshy [7]

Answer:

(3, 2) is the ordered pair for the given system of equations.

Step-by-step explanation:

Given:

2 x+ y = 8.......................(i)

y = - x + 5........................(ii)

Put y = - x + 5 in equation (i)-

2 x + ( - x+ 5) = 8

2 x - x + 5 = 8

x = 8 - 5

x = 3

Now put x = 3 in equation (ii)-

y = - 3 + 5

y = 2

Hence the (3, 2) is the correct ordered pair.

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4 years ago

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I need help with this question

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3 years ago

Simplify (3x^2)^3 Please help

nikdorinn [45]

Answer:

27x^6

Step-by-step explanation:

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