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IrinaVladis [17]

2 years ago

9

A group of hikers is descending a mountain at a rate of 400 feet per hour. After three hours, what integer represents their tota

l change in elevation?

1 answer:

Ludmilka [50]2 years ago

7 0

Answer:

1200

Step-by-step explanation:

it's just 400x3 which is 1200

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Solve for x. Enter the solutions from least to greatest.<br> x2 – X – 12 = 0

Artemon [7]

Answer:

$x=-3,4$

Step-by-step explanation:

Factorise in order to reveal factors.

$x^2-x-12=0\\(x-4)(x+3)=0$

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2 years ago

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eduard

7 + 9 *6
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2 years ago

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The sum of two numbers is 148. The larger number is two less than three times the smaller. What are the two numbers?

Lyrx [107]

Let
x---------> the larger number
y---------> the smaller number

we know that
x+y=148------> equation 1
x=3y-2------> equation 2

substitute 2 in 1
[3y-2]+y=148--------> 4y=150---------> y=150/4------> y=37.5
x=3y-2----> x=3*37.5-2-----> x=110.5

the answer is
the larger number is 110.5
the smaller number is 37.5

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2 years ago

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Nuetrik [128]

Length = 3cm
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2 years ago

The tree diagram below illustrates the possible outcomes of three tosses of a balanced coin. What is the probability that “heads

antiseptic1488 [7]

I’m pretty sure its B.1/4

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2 years ago