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3 years ago

Maya can run 18 miles in 3 hours, and she can run can bike 18 miles in 2 hours. What is maya’s running speed (in mph)

Mathematics

2 answers:

viva [34]3 years ago

6 0

Answer:

6 mph

Step-by-step explanation:

Speed = Distance/Time. Distance is 18, time is 3. So 18/3, or 6.

Hope this helps!

damaskus [11]3 years ago

6 0

Answer:

6 miles per hour

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

HELPPPPP HURRYYYYYY FASTTTT

tankabanditka [31]

Answer:

Step-by-step explanation:

A slope is 2

B slope is -1/2

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3 0

3 years ago

X = y2 - 1

MissTica

Answer:

Option (2) is correct.

$2y^2-y-6=0$

Step-by-step explanation:

Given two equations $x=y^2-1$ and $2x-y=4$

We have to choose an equation from the given options which could be the result of using substitution to solve the system.

Since the given equation is in term of y , so we make substitution of x in term of y.

From $2x-y=4$ ,

⇒ $x=\frac{4+y}{2}$

Substitute $x=\frac{4+y}{2}$ in other equation $x=y^2-1$

We get, $x=y^2-1 \Rightarrow \frac{4+y}{2}=y^2-1$

Cross multiply we get,

$\Rightarrow {4+y}=2y^2-2$

Solving further, we get

$\Rightarrow 2y^2-y-6=0$

Thus, option (2) is correct.

5 0

3 years ago

814

Nat2105 [25]

Answer:

0.99186 probability that the person will not die in the next year, and the correct option is A.

Step-by-step explanation:

Dying and not dying in that year are complementary events, that is, one of them will happen. This means that the sum of their probabilities is 100% = 1.

The probability of dying is:

$p = \frac{814}{100000} = 0.00814$