3 years ago

ASAP PLEASE ANSWER

Mathematics

1 answer:

pickupchik [31]3 years ago

7 0

Answer:

Step-by-step explanation:

Hope this helps!

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2 years ago

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F(x)= sqrt of 5x+7 and g(x)= the sqrt of 5x-7

ki77a [65]

F(x) = √(5x + 7)

g(x) = √(5x - 7)

(f + g)(x) = f(x) + g(x)

(f + g)(x) = √(5x + 7) + √(5x - 7)

Answer: C)

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3 years ago

A cell phone company has a basic plan of $40 plus $0.45 for any minutes over 700. Before receiving his statement, John saw he wa

Darya [45]

Answer:

$718\ min$

Step-by-step explanation:

Let

x ----> the number of minutes

y ----> the total charge in dollars

we know that

For x>700 min

$y=0.45x+40$

For y=48.10

substitute

$48.10=0.45x+40$

Multiply by 100 both sides

$4,810=45x+4,000$ ----> equation without decimals

solve for x

$45x=4,810-4,000\\45x=810\\x=18\ min$

To find out the total minutes we need to sum

$18\ min+700\ min=718\ min$

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3 years ago

Solve h^2=100 by the square root property if possible

hram777 [196]

H^2=100

H=10

(Because 10*10=100)

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3 years ago

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Y_Kistochka [10]

The answer is e $940

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