3 years ago

Please Help this is Due in 1 hour and I really dont understand any of this. (Question in Image)

Mathematics

1 answer:

KATRIN_1 [288]3 years ago

4 0

Answer:

Step-by-step explanation:

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Two high-speed ferries leave at the same time from a city to go to the same island. The first ferry, the Cat, travels at 39 mile

vampirchik [111]

39x-20x=38
19x=38
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2 hours later, the ferries will be 38 miles apart

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4 years ago

Which property justifies the following statement? If 12x = 84, then x = 7

makkiz [27]

Answer:

<h2>B. Division Property of Equality </h2>

Step-by-step explanation:

$12x=84\qquad\text{divide both sides by 12}\\\\\dfrac{12x}{12}=\dfrac{84}{12}\\\\x=7$

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3 years ago

Solve the system:<br> y = 4x + 6<br> -5x - y = 21

Hitman42 [59]

Substitute y in second equation
-5x-(4x+6)=21
-9x-6=21
9x+6=-21
9x=-27
X=-3
Solve for y:
Y=4(-3)+6
Y=-6

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3 years ago

Melody had $45. She spent $32.75 on a blouse Then her mother gave her $15.50. How much money does Melody have now?

miv72 [106K]

$45+$15.50= $60.50

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4 years ago

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Lim x=2 in[x^2(3-x)]

Phantasy [73]

The answer is 4, because 2^2 (3-2) = 4 (1) = 4.

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3 years ago