In January,the depth of a lake was 1,098 feet. In august, the depth of the lake was 988.2 feet. What is the percentage decrease of the depth of the lake from January to august

Answers

Answer 1

Answer:

=1,098+988.2

=2086.2

the percentage is 2086.2


Related Questions

-1/2 =3/8 y solve for y

Answers

Answer:

y=8−3x

Step-by-step explanation:

What is the range of tan x?

1) all real numbers
2) -1
3) y>0

Answers

Answer:

all real Numbers may be

Three partners x,y and z con an amount of kush 1400000 for an investment .The profit from the investment is to be shared based on contribution of each.A profit of kush 250000 after one month.If x got 60000 ,y 110000 and the remainder was Z. Calculate the ratio of the contribution

Answers

Answer:

The ratio of the contribution in the order x:y:z is;

6:11:8

Step-by-step explanation:

Herr, we want to know the ratio of the contribution

The title profit is 250,000

What Z got will be;

250,000-60,000-110,000 = 80,000

So the ratio of the contribution following x,y,z will be ;

60,000:110,000:80,000

= 6:11:8

determine the order of the following differential equations and whether they are linear or non linear. 2nd order nonlinear 1. (1 y2)d2ydt2 tdydt y

Answers

(a) Linear differential equation of second order

(b) Linear differential equation of second order

(c) Linear differential equation of fourth order

(d) Non-linear differential equation of first order

(e) Non-linear differential equation of second order

(f) Linear differential equation of third order

(g) (a) and (d) are initial value problems

Differential equations are sometimes described as equations containing the derivatives of one or more dependent variables with respect to one or more independent variables. An ordinary differential equation is one that contains just one independent variable.The order of a differential equation is the highest differential coefficient.Degree is the power of the highest order derivative when the differential equation is in polynomial form.An initial value problem (IVP) in multivariable calculus is an ordinary differential equation with an initial condition that determines the value of the unknown function at a specific location in the domain.

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The histograms and summary statistics summarize the data for the number of hits in the season by baseball players on two different teams.

Team A
Mean: 151.15
Median:148
Standard Deviation: 26.83
Minimum:29
Q1: 136
Q3: 167
Maximum: 207

Team B
Mean:163.25
Median:157
Standard Deviation:24.93
Minimum:136
Q1:145
Q3: 178
Maximum:256

A.Each data set contains one outlier. if the outliers are removed, which would be more likely to change significantly: the mean or the median? is the standard deviation or interquartile range more likely to change significantly?

Answers

Answer:

the answer is 25th to the power

Step-by-step explanation:

the answer

Please help I need to figure out the answer to this expression!!!

Answers

Answer:

2

Step-by-step explanation:

7*4-3*8+2^2-6

7*4-3*8+4-6

28-3*8+4-6

28-24+4-6

4+4-6

8-6

2

I think it’s 2, lol

Theresa is an accountant who works 57.25 hours a week. Theresa earns $30 per hour as an accountant, and her overtime pay rate is time-and-a-half. If full-time employment is considered 40 hours per week, how much does Theresa earn each week?

$1,952.25
$1,976.25
$1,986.25
$1,992.25

Answers

It would be the 2nd option. 1976.25 is the answer using the below calculations.


How?

57.25 total hours... break it down

40*$30= $1200

Plus

17.25 *($30*1.5) ... or 17.25*$45=$776.25

$1200+$776.25=$1976.25


it's from the chapter : "exponents and powers"
i need the workings too
please help​

Answers

Answer:

505/19

Step-by-step explanation:

Easy

so [3^3-(1/2)^(-3)*(1/19)]

simplify

3^3-8/19

3^3=27

27-8/19

convert element to fraction

(27*19)/19-8/19

combine

(27*19-8)/19

505/19

Have a wonderful day ask me if you have more questions about MATH that goes for anyone who needs math help

if the sin of angle x is four fifths and the triangle was dilated to be two times as big as the original, what would be the value of the sin of x for

Answers

According to the given statement  the value of sin x = 8/10

What is trigonometry?

A mathematical field called trigonometry examines connections between triangles' sides and angles. Due to the fact that every straight-sided shape can be decomposed into a group of triangles, trigonometry can be found throughout all of  geometry.

How is trigonometry applied in the real world?

To roof a home, to make the roof slant (in the case of single-family bungalows), to determine the height of a roof in buildings, etc., use trigonometry. The naval and aviation industries use it. It's applied to cartography (creation of maps). Trigonometry is also used in satellite navigation systems.

According to the given information:

sin x = 4/5

We know that:

Sin x = opposite/Hypotenuse.

So,

When the triangle is enlarged, the opposite side will increase to an angle of 8, and the hypotenuse will increase to an angle of 10.

= 4/5 we multiply by 2 with 4 and 5 we get:

= 8/10

4/5 will result from simplifying 8/10. Thus, nothing has changed.

So the value of sin x = 8/10.

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5.
Consider the diagram on the right. Classify each triangle as equilateral,
isosceles, or scalene.
12
AIHG:
G
H
8V3
AHJI:
AKHI:
K
8
AHJK:

Answers

Answer:

IHG= scalene

HJI= isosceles

KHI= scalene

HJK= equilateral


What’s the answer? To this problem

Answers

Answer:

A . 9.45

Step-by-step explanation:

so 70 times 4.5% is 3.25 which is how much he gets a year . So now you can multiply it by 3 for 3 years which leaves you with 9.45.

hey gus i have a end of half term test soon on maths do you know what the best way is to revise

Answers

Write notes on key info and key equations

Read through notes

Answer:

You can go through your notes, go step by step of the equation to understand what you have to do

Step-by-step explanation:

It costs $5.67 for 3 gallons of gas. What will be the cost of 8 gallons of gas if the cost varies directly with the number of gallons purchased?

Answers

Answer:

$15.12

Step-by-step explanation:

5.67/3=1.89

1.89x8=15.12

explain how to find the slope from a graph because i’m still confused

Answers

Answer:

Rise/run

Step-by-step explanation: You count how many it rises by and how many it runs. Hope this helps!

Cereal - 13.8 ounces for $4.14 =

Answers

Answer:

30¢ per ounce

Step-by-step explanation:

I'm not exactly sure what your asking, but I'm going to assume that your asking for the unit price.

[tex]\frac{4.14}{13.8}=0.3[/tex]

If f(-5) = 0, what are all the factors of the function f(x) = x2 - 19%+30? Use the Remainder Theorem.​

Answers

Answer:

A. (x – 2)(x + 5)(x – 3) on edg

Step-by-step explanation:

took the test

Answer:

(x – 2)(x + 5)(x – 3)

If you take a number, times by 3 then subtract 6. You get the same as if you took the number, times by 7 then subtract 2. What is the number?

Answers

Answer: -2

Step-by-step explanation:

The number i pick is 2 so...

2(3)=6

6-6=0

0x7=0

0-2=-2

The number I got was -2

Find the slope and y-intercept of the graph of the equation.
y = 9x - 8
Select the correct choice and fill in any answer boxes in your choice below.
O A. The slope is
O B. The slope is undefined.

Answers

Answer:

A

Step-by-step explanation:

Answer:

Slop is 9

the y is (0,-8)

Step-by-step explanation:

Classify each observation as a qualitative or quantitative property of matter.
a. It is red and grey in colour
b.
It is 60 cm long
C.
It is soft and stretchable
d. It will shrink in 70°C water

Answers

A. Qualitative
B. Quantitative
C. Qualitative
D. Quantitative

Remember
Qualitative is Quality meaning the quality of something and it doesn’t have number involved.


Quantitative is Quantity meaning amount, ounce, money and numbers included always

how would i figure this out

Answers

9514 1404 393

Answer:

  see attached

Step-by-step explanation:

To plot the line through the point, plot the point. Then find another point that has the given "rise" and "run". Draw the line through the two points.

__

The given point is (-7, -4). Locate that on the graph.

The slope is given as -2/3. This is the ratio of "rise" to "run", so it means the "rise" will be -2 for each "run" of 3. (rise/run = -2/3)

The rise is the vertical change. So, you want your second point to be 2 units below the given point. Its y-coordinate will be -4-2 = -6.

The run is the horizontal change. Your second point will be 3 units to the right of the given point, so its x-coordinate will be -7+3 = -4. Now, you can plot the point (-4, -6) and draw your graph through these two points.

Jessa completed a bike ride in 3 hours and 18 minutes. Write Jessa's biking time as a decimal to TWO decimal places.

Answers

Steps to Calculate Hours

3ℎ+18×1ℎ60+0×1ℎ3600
3
h
r
+
18
m
i
n
×
1
h
r
60
m
i
n
+
0
s
×
1
h
r
3600
s
=3ℎ+0.3ℎ+0ℎ
=
3
h
r
+
0.3
h
r
+
0
h
r
=3.3ℎ

Steps to Calculate Minutes

3ℎ×601ℎ+18+0×160
3
h
r
×
60
m
i
n
1
h
r
+
18
m
i
n
+
0
s
×
1
m
i
n
60
s
=180+18+0
=
180
m
i
n
+
18
m
i
n
+
0
m
i
n
=198
=
198
m
i
n

Steps to Calculate Seconds

3ℎ×36001ℎ+18×601+0
3
h
r
×
3600
s
1
h
r
+
18
m
i
n
×
60
s
1
m
i
n
+
0
s

=10800+1080+0
=
10800
s
+
1080
s
+
0
s
=11880
=
11880
s
hope this helps

Please help fast Prefer A Expert or Above to Help Me out it’s the bottom one!

Answers

Answer: 45

The value is approximate.

==========================================================

Explanation:

Focus on the upper triangle.

Label the unknown horizontal side as y

Use the pythagorean theorem to solve for y

a^2+b^2 = c^2

10^2 + y^2 = 26^2

100+y^2 = 676

y^2 = 676-100

y^2 = 576

y = sqrt(576)

y = 24

-----------

Now move to the bottom triangle

With respect to the reference angle, the side y = 24 is opposite this. The hypotenuse is unknown.

Use the sine rule to connect the two and solve for x

sin(angle) = opposite/hypotenuse

sin(32) = y/x

sin(32) = 24/x

x*sin(32) = 24

x = 24/sin(32)

x = 45.2899179551967 which is approximate

x = 45 rounding to the nearest whole number

Side x is approximately 45 cm long.

Note: make sure your calculator is in degree mode.

What number makes the expressions equivalent?
1/2 (-1.4m + 0.4) = ?m +0.2
Your answer choices:
A) -1.4
B) 1.4
C) -0.7
D) 0.7

Answers

Answer:

b

Step-by-step explanation:

The number that makes the given expressions equivalent is -0.7.

What is an Algebraic expression?

An algebraic expression can be obtained by doing mathematical operations on the variable and constant terms.

The variable part of an algebraic expression can never be added or subtracted from the constant part.

The given expression is as below,

1/2 (-1.4m + 0.4) = ?m +0.2

Suppose the unknown number be x.

Then the given expression can be written as,

1/2 (-1.4m + 0.4) = xm + 0.2

=> -0.7m + 0.2 = xm + 0.2

=> -0.7m = xm

=> x = -0.7

Hence, the missing number in the given expression is -0.7.

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A line has an undefined slope and passes through the poimt (7,11) write the equation of the line

Answers

Answer:

x = 7

Step-by-step explanation:

An undefined slope indicates the line is vertical and parallel to the y- axis with equation

x = c  ( c is the value of the x- coordinates the line passes through )

the line passes through (7, 11 ) with x- coordinate 7 , then

x = 7 ← equation of line

100 points please help

Answers

Answer:

it is a

Step-by-step explanation:

Answer: it’s A because Richards Park charges an admission fee of $10 plus hourly which is the unit rate which stays at a constant price C=h the hours ($10+$5) is the correct answer. Hope this helps!

Step-by-step explanation:

find the exponential form of 8/27​

Answers

Answer:   (2/3)^3

Explanation:

Note how 8 = 2^3 and 27 = 3^3

This means, 8/27 = (2^3)/(3^3) = (2/3)^3

For the last step, I used the rule (a^c)/(b^c) = (a/b)^c

Find the 62nd term of the arithmetic sequence -27, -21, -15, ...

Answers

Answer:

a = -27

d = -21 - ( -27) => 6

a62 => a + 61 (d) +=> -27 + 61(6)

=> -27 + 366

=> 339

Answer:339

Step-by-step explanation:

its right :)

can you help me with this​

Answers

Answer:

option A

Step-by-step explanation:

X - 2Y = Z

[tex]\left[\begin{array}{cc}b&a\\4&a\\\end{array}\right]-2\left[\begin{array}{ccc}c&d\\a&b\end{array}\right]=\left[\begin{array}{ccc}a&c\\16&b\end{array}\right] \\\\\left[\begin{array}{cc}b&a\\4&a\\\end{array}\right]-\left[\begin{array}{ccc}2c&2d\\2a&2b\end{array}\right]=\left[\begin{array}{ccc}a&c\\16&b\end{array}\right] \\\\[/tex]

4 - 2a = 16

  -2a  = 16 - 4

   -2a = 12

      a = 12/-2

a = -6

a - 2b = b

-6 - 2b = b

    -6    = b + 2b

      -6  = 3b

    -6/3  = b

b = -2

b - 2c = a

-2 - 2c = -6

    -2c = -6 +2

    -2c = -4

        c = -4/-2

c = 2

a - 2d = c

-6 - 2d = 2

     -2d = 2 + 6

     -2d = 8

        d = 8/-2

d = -4

Which expression represents the correct form for the quotient and remainder, written as partial fractions, of StartFraction 6 x cubed + 15 x squared + 20 x + 36 Over 3 x squared + 7 EndFraction? 2 x + StartFraction A Over 3 x squared + 7 EndFraction 2 x + StartFraction A x + B Over 3 x squared + 7 EndFraction 2 x + 5 + StartFraction A Over 3 x squared + 7 EndFraction 2 x + 5 + StartFraction A x + B Over 3 x squared + 7 EndFraction

Answers

Answer:

The answer is "quotient =2x+5 and remainder =6x+1".

Step-by-step explanation:

Some of the data is missing that's why defined this question as follows:

Given:

[tex]\to \frac{6x^3+15x^2+20x+36} {3x^2+7}[/tex]

when we divide the above value it will give the quotient =2x+5 and remainder =6x+1.

Answer:

D: 2x+5+(Ax+B)/3x^2+7

Step-by-step explanation:

I somehow got 100 on the quiz

Work out
a) 1 1/5 + 3 2/5

Answers

First make it improper fraction :
6/5 + 17/5
Then add 6 and 17 :
23
The denominator doesn’t change :
So the answers is 23/5

Then you need to simplify it
How much times 5 goes in 23 :
4 times and 3 extra
So the FINAL ANSWER is : 4 3/5
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