Erika decided to compare her observations to the average annual trend, which shows the water rising 1.8 mm/year. Remember, she used 6.2 years as her time period. Explain how she would calculate the difference between how much the water level fell in the part of the river she observed.

Answers

Answer 1

Answer:

Change in water level over thr period Given is 11.16 mm

Step-by-step explanation:

The change in water level. In the part of the river observed will be ;

Water level. = The rate of change in water level per year * period

Rate of change in water level = 1.8mm /year

Number of years = 6.2

The change in water level is thus :

1.8 mm / year * 6.2 years

= (1.8 mm / year * 6.2

= 11.16 mm


Related Questions

Is 4/9 closer to 1 or 1/2?

Answers

Answer:

1/2

Step-by-step explanation:

hope this helps!

5-7. These problems refer to rolling a number cube, then spinning a spinner with the letters A-H on it. Find each probability. Show all work.

5. P(rolling a 2, spinning an A) _________

6. P(rolling an even number, spinning a vowel) _________

7. P(rolling a number less than 3, spinning a consonant)
no

Answers

Answer:

5)  P(2 AND A) = 1/6 x 1/8 = 1/48

6)  P(even AND vowel) = 1/2 x 2/8 = 1/8

7)  P(LT 3 AND not vowel) = 2/6 x 6/8 = 1/4

Step-by-step explanation:

1. P( 2, spinning an A) = 1/48

2. P( even number, spinning a vowel) = 1/8

3. P( number less than 3, spinning a consonant) = 1/4

What is probability?

Simply put, probability is the likelihood that something will occur. When we don't know how an event will turn out, we might discuss the likelihood or likelihood of several outcomes. Statistics is the study of occurrences that follow a probability distribution.

Given:

Combining the spinning of an A-H spinner with the rolling of a number cube

1. P(rolling a 2, spinning an A)

= 1/6 x 1/8

= 1/48

2. P(rolling an even number, spinning a vowel)

= 1/2 x 2/8

= 1/8

3. P(rolling a number less than 3, spinning a consonant)

= 2/6 x 6/8

= 1/4

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A square has a side length of 6 inches. It is enlarged and the new side length is 18 inches. What is the scale factor

Answers

The scale factor is 2

What are the factors 60 that add up to 17? *

Answers

What two numbers multiply to 60 and add up to 17?"

The answer to your question is:

5 and 12
This the correct answer

which of the following is the solution to the equation 25(z-2 )= 125?

A. z= 5.5
B. z = 3.5
D. z = -2.5
E. z = -0.5

Answers

Answer:

The answer is z = 7.

Step-by-step explanation:

1) Divide both sides by 25.

[tex]z - 2 = \frac{125}{25} [/tex]

2) Simplify 125/25 to 5.

[tex]z - 2 = 5[/tex]

3) Add 2 to both sides.

[tex]z = 5 + 2[/tex]

4) Simplify 5 + 2 to 7.

[tex]z = 7[/tex]

Thus, the answer is z = 7.

One angle of an isosceles triangle measures 50°. Which other angles could be in that isosceles triangle? Choose all that apply

Answers

Answer:

Step-by-step explanation:

State five important properties of whole numbers ?

Answers

Closure for addition and multiplication.

Commutative property for addition and multiplication.

Associative property for addition and multiplication.

Distributive property of multiplication over addition.

Identity for addition and multiplication.

Hope this helps; have a great day!

In the two diagrams, all the triangles weigh the same and all the squares weigh the same.



For each diagram, come up with...



1. One thing that "must" be true



2. One thing that "could" be true



3. One thing that "cannot possibly" be true

Answers

Answer:

1. A triangle weighs more than a square.

2. A triangle could weigh more than a circle.

3. A triangle cannot possibly weigh more than 4 squares and a circle.

got confused on this problem ​

Answers

Answer:

vertical

Step-by-step explanation:

Answer:

A. vertical

Step-by-step explanation:

They are across from each other so they are vertical angles and are congruent.

En la tienda de don chuy vender tres cajas de colores de 36 piezas en $258,en cambio en la papeleria de la ciudad encontramos 5 piesas delos colores en$440

Answers

Responder:

Tienda de la ciudad

Explicación paso a paso:

Para obtener el precio unitario por caja:

Importe pagado / número de cajas.

Para cajas de 3 colores:

$ 258/2 = $ 129

Para las cajas de color /:

$ 440/5 = $ 88

$ 88 <$ 129

Por lo tanto, las cajas de colores son más baratas en la tienda de la ciudad.

If the CIRCUMFERENCE of a circle is 15.7, what is the AREA of the circle?

Answers

Answer:

the area of the circle is 19.615

The cargo hold of a truck is a rectangular prism measuring 18 feet by 13.5 feet by 9 feet. The driver needs to figure out how many storage boxes he can load. Choose true or False for each statement.

Answers

Answer:

B

Step-by-step explanation:

The solution is

Option A - True

The volume of the rectangular cargo is 2187 feet³

Option B - True

The volume of the rectangular cargo is 2187 feet³

Option C - True

The volume of the rectangular cargo is 2187 feet³

Option D - True

The volume of the rectangular cargo is 2187 feet³

What is the Volume of a Rectangle?

The volume of the rectangle is given by the product of the length of the rectangle and the width of the rectangle and the height of the rectangle

Volume of Rectangle = Length x Width x Height

Volume of Rectangle = Area of Rectangle x Height

Given data ,

Let the cargo hold be a rectangular prism

Now , the dimensions of the rectangular prism is

18 feet x 13.5 feet x 9 feet

And , the Volume of Rectangle = Length x Width x Height

Substituting the values in the equation , we get

Volume of Rectangle = 18 x 13.5 x 9

Volume of Rectangle = 2187 feet³

a)

The number of boxes = 6

The dimensions of the cargo be = 9 feet x 4.5 feet x 9 feet

So , the volume of the cargo = number of boxes x 9 x 4.5 x 9

On simplifying the equation , we get

Volume of the cargo = 6 x 364.5

Volume of the cargo = 2187 feet³

b)

The number of boxes = 81

The dimensions of the cargo be = 3 feet x 3 feet x 3 feet

So , the volume of the cargo = number of boxes x 3 x 3 x 3

On simplifying the equation , we get

Volume of the cargo = 81 x 27

Volume of the cargo = 2187 feet³

c)

The number of boxes = 24

The dimensions of the cargo be = 4.5 feet x 4.5 feet x 4.5 feet

So , the volume of the cargo = number of boxes x 4.5 x 4.5 x 4.5

On simplifying the equation , we get

Volume of the cargo = 24 x 91.125

Volume of the cargo = 2187 feet³

d)

The number of boxes = 12

The dimensions of the cargo be = 9 feet x 4.5 feet x 4.5 feet

So , the volume of the cargo = number of boxes x 9 x 4.5 x 4.5

On simplifying the equation , we get

Volume of the cargo = 12 x 182.25

Volume of the cargo = 2187 feet³

Hence , the volume of the rectangular cargo is 2187 feet³

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Please answer this I have a test

Answers

Answer:

Step-by-step explanation:

1)  

scale is 1 inch=9 feet

4 inches*9= 36 feet

10 inches*9=90feet

it is 36 feet by 90 feet

2)

scale is 1 inch=5 feet

4 inches*5=20 feet

it is 20 feet

3)

scale is 1:12

14 inches*12=168

it is 168

100 POINTS WILL MARK BRAINLIEST
-109.3+x=184.9

Answers

Answer:

x  = 294.2

Step-by-step explanation:

(-109.3+x)+109.3=184.9 + 109.3

184.9+109.3=294.2

Answer:

x=294.2

Step-by-step explanation:

to check your answer...

-109.3+294.2=184.9

hope this helps have a good rest of your night/day :) ❤

can I please get the brainliest I only have 1 pls

Given the following equation, solve for the easiest variable.
3x + y = -6

Answers

Answer:

Let's solve for x.

3x+y=−6

Step 1: Add -y to both sides.

3x + y + −y = −6 + −y

3x = − y − 6

Step 2: Divide both sides by 3.

3x  / 3  =  − y −6 /  3

x =  − 1  / 3 y −2

Answer:

x = − 1  / 3 y −2

Hope it helps

Please mark me as the brainliest

Thank you

Answer:

x = 2 + y/3

Step-by-step explanation:

Add

y

to both sides of the equation.

3 x = 6 + y

Divide each term by

3

and simplify.

Hansen won the raffle At the zoo and gets to feed the dolphins! The dolphin trainer gives Hansen a bucket of fish to divide evenly among five dolphins. Each dolphin gets four fish. Which equation can you use to find the number of fish F in the bucket before hansen feeds them

Answers

Answer:

Number of dolphins in zoo * number of fish per dolphin.

Step-by-step explanation:

Hansen won the raffle At the zoo and gets to feed the dolphins! The dolphin trainer gives Hansen a bucket of fish to divide evenly among five dolphins. Each dolphin gets four fish. Which equation can you use to find the number of fish F in the bucket before hansen feeds them

Given that:

Number of dolphins = 5

Fish in bucket is distributed equally ; hence, Number of fish per dolphin = 4

To obtain the initial number of fish in bucket before hansen began to feed the fishes :

Number of fish in bucket before hansen feeds then :

Number of dolphins in zoo * number of fish per dolphin.

5 * 4 = 20

7/15=x/45 find the missing value

Answers

Answer:

the answer to your question is 21

Solving Quadratic Equations
Directions: Solve the following quadratic equations using the quadratic formula. Show your work
and all answers must be in simplest radical form.
I
a. x2 - 2x - 15 =0
b. x2 + 8x - 10 =0

Answers

Answer:

a) x= 5 or x= -3

b) x = -4 + [tex]\sqrt{26}[/tex] or -4 - [tex]\sqrt{26}[/tex]

Step-by-step explanation:

a) [tex]x^{2}[/tex] - 2x - 15 =0

x = [tex]\frac{-(-2) +\sqrt{(-2)^{2} - 4(1)(-15)}}{2(1)}[/tex]  or  [tex]\frac{-(-2) -\sqrt{(-2)^{2} - 4(1)(-15)}}{2(1)}[/tex]

x= 5 or x=-3

b) [tex]x^{2}[/tex] + 8x - 10 =0

x = [tex]\frac{-(8) +\sqrt{(8)^{2} - 4(1)(-10)}}{2(1)}[/tex]  or  [tex]\frac{-(8) -\sqrt{(8)^{2} - 4(1)(-10)}}{2(1)}[/tex]

x = -4 + [tex]\sqrt{26}[/tex] or -4 - [tex]\sqrt{26}[/tex]

Select fractions are equivalent to 4/20

Answers

1/5

2/10

3/15

5/25

6/30

7/35

8/40

9/45

10/50

Answer:

1/5

Step-by-step explanation:

4/20=1/5

find the value of given expression

[tex] \sqrt{63 \times 63} [/tex]

Answers

Answer:

± 63

Step-by-step explanation:

[tex]\sqrt{63*63} = \sqrt{63^2} =[/tex] ± 63

Answer:

√(63×63)=√63²=±63 is your answer

An expression is written in the box.
x²+x-4
What is the value of this expression when x = -6?
0 -46
0 -35
O 26
38

Answers

Answer:

the solution to that is 26.

Answer:

26

Step-by-step explanation:

Substitute x = - 6 into the expression

x² + x - 4

= (- 6)² + (- 6) - 4

= 36 - 6 - 4

= 30 - 4

= 26

Please help me! Anything is appreciated!

Answers

Answer:

it wont let me download the pdf :/

Find the area of a rectangle with side lengths 5 /8 ft. And 1/ 3 ft. A 1-foot by 1-foot square is shown. The square is divided into 8 rows and 3 columns. Therefore, there are a total of 24 equal-sized cells inside the square. A. 5 /11 ft 2 B. 1 11/ 12 ft 2 C. 6/ 11 ft 2 D. 5 /24 ft 2

Answers

Answer: 5/24 ft²

Step-by-step explanation:

To find the the area of a rectangle with side lengths 5/8 ft and 1/3 ft, we need to know that the area of a rectangle is gotten by multiplying the length by the width.

In this case, the area of the rectangle will be:

= 5/8 × 1/3

= 5/24 ft²

MP Model with Mathematics There was a big snowstorm overnight that dumped 12 inches of snow on Math Town. Luckily, it got a lot warmer, and 0.5 inch is melting each hour. The snow is now less than 5 inches deep. Write an inequality to determine how many hours have passed since the snow started melting.​

Answers

Answer:

10 hours

Step-by-step explanation:

do 0.5 and add it until you get to 5. the number of times i added it was the answer

HELP DUE IN 10 MINS! Use the Pythagorean Theorem to solve for x.

A. 50

B. 5sqrt(2)

C. 2sqrt(293)

D. 2sqrt(5)

Answers

Answer:

B. 5sqrt(2)

Step-by-step explanation:

x² = 4² + (√34)²x² = 16 + 34x² = 50x = √50x = 5√2

[tex]\huge\large \fbox \green{Answer :}[/tex]

B. 5sqrt(2)

[tex]\huge\Large \fbox \green{Explanation:}[/tex]

We have

first side of triangle = √34

second side of triangle = 4

We need to find third side of triangle

let , the third side of triangle is x

( x)² = (√34 )² + (4)² ....( by Pythagoras Theorem)

x ² = 34 + 16

x ² = 50

x = √50

x = 5 √2

Hence, the third side is 5√2

Raquel drew a scatter plot to show the relationship between the length, in inches, and weight, in pounds, of metal bars in her shop. Using regression, Raquel fit a line to her scatter plot as shown below.


y = 73x


y = 43x


y = 34x


y = 37x

Answers

Answer:

y=3/7x

Step-by-step explanation:

The equation from the given graph is y=3/7 x. Therefore, option D is the correct answer.

What is scatter plot?

Scatter plots are used to observe and plot relationships between two numeric variables graphically with the help of dots. The dots in a scatter plot shows the values of individual data points.

From the given figure,

The slope of a line is 3/7 and the y-intercept is c=0

Substitute m=3/7 and c=0 in y=mx+c, we get

y=3/7 x+c

y=3/7 x

Therefore, option D is the correct answer.

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Simplify the fraction below into simplest form: 12/8​

Answers

The answer to this is quite simple 3/2


Explanation: We must find the largest number they can both be divided by and that is 4 then you get 3/2 you can’t divide those further without getting decimals so 3/2 is the simplest form have a nice day (:


HELP ASAP ITS SOON!! PLEASE

Jane buys a super-sized box of animal crackers. She reaches into the box and randomly selects one cracker. Assume that she returns
the cracker to the box and repeats the process 30 times. Based on the outcomes shown on the table, which THREE statements are
correct?
A)
P(Giraffe) - 0.20
B)
P(Lion) - 0.10
If Jane repeats the process 40 times, she can expect to draw 8 elephants.
D)
If Jane repeats the process 10 times, exactly one camel will be drawn.
E)
If Jane repeats the process 60 times, she will draw roughly 18 giraffes.

Answers

Answer:

b c e

Step-by-step explanation:

hope this helps! Just did it too!

Please please help help me please please ASAP ASAP please

Answers

Answer:1.b  2.i think 5x5   3.a

Step-by-step explanation:

there your ANWERS

cual es la expresión equivalente a 6(12+8)

Answers

Answer: 20(6)

Step-by-step explanation: 20 times 6 because 12+8 equals 20 and you would multiply it by 6.

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