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Alex
2 years ago
12

A flood a creek's water level changes by −4 7/10 feet in 2 hours. What is the average change in the creek's water level per hour

?
Mathematics
1 answer:
dezoksy [38]2 years ago
3 0

Answer:

-2.35

Step-by-step explanation:

Divide -4.7/2 = -2.35

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The formula A equals =P left parenthesis 1 plus r right parenthesis squared (1+r)2 gives the amount A in dollars that P dollars
vlabodo [156]
The interest rate is 3.5%.

EXPLANATION

We substitute the given values into the formula;

A=P(1+\frac{r}{100})^t

to obtain

6427.35=6000(1+\frac{r}{100})^2

We divide through by 6000 to obtain,

\frac{6427.35}{6000}=(1+\frac{r}{100})^2

This implies that,

1.071225=(1+\frac{r}{100})^2

We take the square root of both sides,

\sqrt{1.071225}=(1+\frac{r}{100})

This gives us,

1.035=(1+\frac{r}{100})

Add -1 to both sides of the equation to obtain

0.035=\frac{r}{100}

Multiply through by 100 to obtain;

r=3.5%

Therefore the rate is 3.5%
3 0
3 years ago
Which are equivalent expressions?
polet [3.4K]

Answer:

Which are equivalent expressions?

Check all that are true.

y + x = 2x

x + x + x + x = 4x (true)

x + x = 2x (true)

x + y + y + x = 2x + 2y (true)

x + y + x + x = 2x + y

Step-by-step explanation:

4 0
3 years ago
3. Graph the line by finding the x and y intercepts. 2x + 3y = 6
lilavasa [31]

Answer:

x-int: (3, 0)

y-int: (0, 2)

Step-by-step explanation:

The x-int is found when y = 0. Set <em>y</em> to 0 to solve for the x-int.

The y-int is found when x = 0. Set <em>x</em> equal to 0 to solve for the y-int.

4 0
3 years ago
Please help me thanks please <br> Will give you brainlest
Akimi4 [234]

Answer:

224

Step-by-step explanation:

<u>Base:</u>

A = Bh

A = 8(8) = 64

<u>Sides:</u>

A = 1/2 Bh

A = 1/2 8(10)

A = 40

<u>Then you do 40(4) because there are 4 sides:</u>

40 (4) = 160

<u>Then you add up the base and the sides:</u>

160 + 64 = 224

(I think this is the right answer)

7 0
2 years ago
Place the following objects in order from greatest to least gravitational force. Explain your answer.
kozerog [31]

well when thinking of gravity you have to think of the size and mass of the object so,

The sun (largest and most mass)

Earth

Earth's moon

Discover satellite (cause it's tiny and light compared to the sun!)

7 0
3 years ago
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