3 years ago

Unit 3 Lesson 04.1 Percent Increase and Decrea...

Mathematics

1 answer:

Elena-2011 [213]3 years ago

3 0

Her hair was 45.5 centimeters long

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The table represents an exponential function. What is the multiplicative rate of change of the function? X, 1,2,3,4 Y, 6,4,8/3,1

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3 years ago

What is 2/3 Time 2/3

klasskru [66]

Answer:

$\frac{4}{9}$

Step-by-step explanation:

$\frac{2}{3} * \frac{2}{3}$

you multiply across, so you do 2*2 for the numerator, then 3*3 for the denominator. This would equal 4 as the numerator, 9 as the denominator, which is $\frac{4}{9}$

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Hilda runs 2/3 of a mile in a half-hour. If she continues to run at a constant rate, how many miles will she run in 3 hours?

Naddika [18.5K]

2/3 a mile in half an hour
3 hours=6 x 2/3
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3 years ago

Read 2 more answers

\begin{aligned} &y=2x +1 \\\\ &x-y=-3 \end{aligned} y=2x+1 x−y=−3 Is (2,5)(2,5)left parenthesis, 2, comma, 5, right

trapecia [35]

Answer:

Yes

Step-by-step explanation:

Given the system of equations

$\begin{aligned} &y=2x +1 \\\\ &x-y=-3 \end{aligned}$

We want to determine if (2,5) is a solution of the system.

We can do this by substitution of the given point into the equations and see if it holds.

Given (x,y)=(2,5), x=2, y=5

In the first equation

y=2x+1

5=2(2)+1

5=5

Therefore, the point (2,5) satisfies the first equation.

In the second equation

$x-y=2-5=-3$

Since our result (-3) is equal to the Right Hand Side, the point also satisfies the second equation.

Therefore, (2,5) is a solution of the system.

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2 years ago