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2 years ago

10

Write an expression to represent the following:

1 answer:

nevsk [136]2 years ago

4 0

9u+5

9u represents 9 multiplied by a number.

+5 means 5 more than this product.

Hope this helps.

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xz_007 [3.2K]

Answer:

$Center = \boxed{1}, \: \boxed{ - 2} \: ; \: Radius = \boxed{3}$

Step-by-step explanation:

${x}^{2} + {y}^{2} - 2x + 4y - 4 = 0 \\ \\ ({x}^{2} - 2x + 1 - 1) + ( {y}^{2} + 4y + 4 - 4) - 4 = 0 \\ \\ ( {x}^{2} - 2x + 1) + ( {y}^{2} + 4y + 4) - 9 = 0 \\ \\ {(x - 1)}^{2} + {(y + 2)}^{2} = 9 \\ \\ {(x - 1)}^{2} + {(y + 2)}^{2} = {3}^{2} \\ \\ equating \: it \: with \\ \\ {(x - h)}^{2} + {(y - k)}^{2} = {r}^{2} \\ \\ h = 1 \\ k = - 2 \\ r = 3 \\ \\ center = \boxed{1} \: \boxed{ - 2} \: \: radius = \boxed{3}$

3 0

3 years ago

Factor completely.<br> 3h^4+24h^3+21h^2. BRAINLIST PLEASE HELP FAST!!!

mote1985 [20]

<span> 3h2 • (h + 7) • (h + 1) is the simplified version.</span>

3 0

2 years ago

Justin has 750 more than Eva and Eva has 12 less than Justin together they have a total of 63 how much money did

lakkis [162]

Are you searching for how much Eva has or Justin?

4 0

2 years ago

PLEASE HELP and Show your work please!!

bazaltina [42]

9514 1404 393

Answer:

2) 3 pages per hour

3) 4/29 km per minute

Step-by-step explanation:

Division by a fraction is the same as multiplication by the inverse of that fraction.

<h3>2) </h3>

$\dfrac{\ \dfrac{9}{4}\ }{\dfrac{3}{4}}=\dfrac{9}{4}\times\dfrac{4}{3}=\dfrac{36}{12}=\boxed{3\text{ pages per hour}}$

__

<h3>3) </h3>

$\dfrac{2\text{ km}}{\dfrac{29}{2}\text{ min}}=2\times\dfrac{2}{29}\text{ km/min}=\boxed{\dfrac{4}{29}\text{ km/min}}$

8 0

2 years ago

Cual es resultado de 8.5 × 10^4 - 3.0 × 10^3

Veronika [31]

Simplify 10^4 to 10000

8.5x10000-3.0x10^3

Simplify 8.5x*10000 to 85000x
85000x-3.0*10^3
Simplify 3.0x10^3 to 3*10^3
Answer 85000x-3*10^3

5 0

3 years ago