Help will give all if right
She begins 190 feet below sea level.
After descending for 3 seconds, she's 266 feet below sea level.

Find the rate of change in the submarine's elevation in feet per second. Round your answer to the nearest tenth.

Answers

Answer 1

Answer:

25.3 feet per second

Step-by-step explanation:

First, let's find how much did she go down in those 3 seconds.

266-190=76

Now, let's divide 76 by 3 to find how much did she go down in 1 second

76/3=25 R1

Now, let's change 25 R1 to a Fraction.

25 remainder 1 to fraction will be 25[tex]\frac{1}{3}[/tex]

Now, let's find the decimal answer

25[tex]\frac{1}{3}[/tex] will be 25.33(33333)

Now, let's round our answer to the nearest tenth

25.33

so, 3 is closest to 0 not to 10

So hence, our answer is 25.3

So, the submarines elevation was changing at a rate of 25.3 feet per second

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Related Questions

Natalie is shopping for new clothes and does not want to spend more than $65. She buys one dress for $26 and wants to buy a few shirts that cost $13 each. Which inequality can she use to determine the number of shirts she can buy, x?​

Answers

Answer:

easy

Step-by-step explanation:

65=26=13x

you should be able to solve it from there, its legit just subtracting then dividing.

If a point is on the perpendicular bisector, then...
O It will cut the segment into two parts
O it forms a 90 degree angle all by itself.
O it is pretty
O It is equidistant from the endpoints

Answers

It forms a 90 degree angle by its self

The local museum had 350 members only 20% of the members visit on any given Saturday what number usually on Saturday k

Answers

Answer:

70

Step-by-step explanation:

20% of 350 =

= 20% * 350

= 0.20 * 350

= 70

List the Slope of this Equation: Y=-7/2x+3

Answers

The slope is -7/2

Y = mx + b

m stands for the slope (numerical coefficient for x)

What is the percentage tax charged if a calculator which cost $4000 is sold for $5000 after tax ?

Answers

Answer:

25%

Step-by-step explanation:

find the differences between original price $4000 and the altered price $5000.

$5000 - $4000 = $1000

to find the tax percent charged, take the difference price, divide by the original price and multiply with 100, ( to find percentage, it is a must to multiply with 100 ).

1000/4000 x 100

= 25%

so you will get 25 %

Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage rate of increase or decrease. y=5800(0.806)^x

Answers

Using exponential function concepts, it is found that it represents a decay of 19.4%.

What is an exponential function?

A decaying exponential function is modeled by:

[tex]A(t) = A(0)(1 - r)^t[/tex]

In which:

A(0) is the initial value.r is the decay rate, as a decimal.

In this problem, the function is:

[tex]A(x) = 5800(0.806)^x[/tex]

Since the rate of change is less than 1, it is a decay.

Then:

1 - r = 0.806.

r = 1 - 0.806 = 0.194.

The function represents a decay of 19.4%.

More can be learned about exponential function concepts at https://brainly.com/question/25537936

The radius of a circle is 3 5/12 inches
What is the diameter of the circle?

Answers

Answer:

6 5/6

Step-by-step explanation:

diameter is radius multiplied by 2

* means multiplied by

3 5/12 = 41/12

41/12 * 2 = 82/12 = 6 5/6

Answer: 6 5/12

Step-by-step explanation: i just took the k12 test and this is the corret answer

The area of a rectangle is 54 square meters. The width is 9 meters long.

Answers

Answer:

A) [tex]9 *l=54[/tex]

Step-by-step explanation:

The area of a rectangle is w*l=A, where w is the width and l is the length.

In this question, we are given 2 of the variables. We are told that the width is 9 and the area is 54. So, to find the equation that represents this situation, simply plug in the values.

This gives [tex]9 *l=54[/tex].

Then, if needed we can find the length of the rectangle. Through the division property of equality, we know that dividing both sides of the equation maintains the equality of the equation. So, we can divide both sides by 9 to isolate the variable.

This means that [tex]l=6[/tex].

A plant is already 12.00 meters tall, and it will grow 15 centimeters every month. The plant's height, H (in meters), after x months is given by the following. H= 12.00 +0.15x What is the plant's height after 40 months?​

Answers

Answer:

495cm

Step-by-step explanation:

so for a second forget about the already 12 meters. Multiply 15 by the amount of months, in this case 40 so 12x40= 480. Then add the 15, so its 495cm tall

For the right triangles below, find the values of the side lengths c and h.
Round your answers to the nearest tenth.

Answers

Hope it helps… best of luck

Please guys I need this answer ASAP Two functions are shown below.
Function 1 y= -4/7x — 4

Which function is less steep and what is that slope?
A.
Function 1 and the slope is
-4/7

B.
Function 1 and the slope is
-4

C.
Function 2 and the slope is
-3/5

D.
Function 2 and the slope is
2

Answers

Answer:  Choice A

Function 1 and the slope is -4/7

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

Explanation:

The slope of y = mx+b is m, which is the number to the left of x.

For function 1

y = (-4/7)x - 4

the slope here is m = -4/7 = -0.57 approximately

Let's use the slope formula to find the slope of function 2 given by the table of values.

Pick any two rows from that table. I'll pick the first two rows.

m = (y2-y1)/(x2 - x1)

m = (0.8 - 2)/(2 - 0)

m = -0.60

Comparing -0.57 and -0.60, we see that -0.57 is closer to zero on the number line. Meaning that function 1 has the less steep slope (i.e. more shallow slope). The further you go away from zero on the number line, in either direction, the slope will get steeper.


The incenter of a triangle is the intersection point of the_____ bisectors
A) angle
B) midpoint
OC) circumcenter
D) perpendicular

Answers

Answer:

angle

Step-by-step explanation:

A N G L E

A N S W E R

Find the area of the figure. Use 3.14 for it.
30 m
34 m
The area of the figure is about
m?

Answers

Answer:

963.73 m²

Step-by-step explanation:

To Find :-

Area of the figure

Solving :-

Area (figure) =  Area (triangle) + Area (semicircle)

= 1/2bh + 1/2πr²

= 1/2 (30 x 34 + 3.14 x 17 x 17)

= 1/2 (1020 + 289 x 3.14)

= 1/2 (1020 + 907.46)

= 1/2 (1927.46)

= 963.73 m²

absolute value negative 4 ​

Answers

Answer:

4

Step-by-step explanation:

absolute value, if it's a negative number, will be positive. if it's a positive number, it will stay positive.

Answer:

My guess 4

Step-by-step explanation:

i used to do this stuff but i thinks its 4

PLEASE HELP ME WITH THIS ONE !!!

Answers

Answer: A & C

Step-by-step explanation: 3 + 4 = 7     5 -3 = 2

The answer is A and C

16x-24 in equivalent expression

Answers

The answer should be 8(2x-3)
16x-24 in equivalent expression is 8(2x-3)

help i need help! please help

Answers

Anwser: its the secend answer

Step-by-step explanation: have had the smae question

find the measure of x

Answers

Answer:

3

Step-by-step explanation:

Answer:

X=3

Step-by-step explanation:

What is the width rounded to the nearest whole number? (width = 13.62 ft)

Answers

Answer:

14

Step-by-step explanation:

Our goal is to round it so we only have an integer part using the following rules:

If the first digit in the fractional part of 13.62 is less than 5 then we simply remove the fractional part to get the answer.

If the first digit in the fractional part of 13.62 is 5 or above, then we add 1 to the integer part and remove the fractional part to get the answer.

The first digit in the fractional part is 6 and 6 is 5 or above. Therefore, we add 1 to the integer part and remove the fractional part to get 13.62 rounded to the nearest whole number as:

14

Y = – (x – 5)2 + 3
y = –3(x – 6)2 + x + 1
To make sure the flip is in unison, after how many seconds should the flip occur?

Answers

The flip should tur after 2.4 scon

How to find the point of intersection of two lines

Given the following functions expressed as:
[tex]Y = - (x - 5)^2 + 3 \\y = -3(x - 6)^2 + x + 1[/tex]

Equating both expression will give

-(x-5)² + 3 = -3(x-6)² + x + 1

-(x-5)²  +3(x-6)² + 3 - x - 1 = 0
-(x-5)²  +3(x-6)² + 2 - x = 0

-(x² - 10x + 25) + 3(x²-12x + 36) + 2 - x = 0

x² + 10x - 25 + 3x² +36x + 108 + 2 - x = 0

4x² + 45x + 85 = 0

Factorize for the value of x

On factorizing, the value of x is 2.405

Hence the flip should tur after 2.4 sconds

Larn more on functions here: https://brainly.com/question/10439235

Which expression described a correct to find the missing number

Answers

Answer:

c

Step-by-step explanation:

it's 12x2 divided by 3

Answer:

c multiply by 2 divide by 3

Step-by-step explanation:

think of 12 as 12/1

multiply the numbers

it will be 24/3

divide

you get 8

Part A
What is the approximate area of each cross section of the cone and pyramid?

Type the correct answer in each box. Use numerals instead of words.

Answers

Both areas of the circle (cross section for cone) and the square(cross section for pyramid) was found using the

Area of Circle = πr^2Area of Square = Length * Width

Area of Flat Shapes

No Images were provided in this question, however, the cross section of a cone and a pyramid will result to the shapes of a circle and a square respectively when we slice them horizontally

Hence the area of the cross section of the cone can be estimated using the expression for the area of a circle

Area of Circle = πr^2

Also,  the area of the cross section of the pyramid can be estimated using the expression for the area of a square

Area of Square = Length * Width

Learn more about area of flat shapes here:

https://brainly.com/question/17335144

Elizabeth invested $7,800 in an account paying an interest rate of 7\tfrac{1}{8}7 8 1 ​ % compounded monthly. Mason invested $7,800 in an account paying an interest rate of 7\tfrac{3}{8}7 8 3 ​ % compounded continuously. To the nearest dollar, how much money would Elizabeth have in her account when Mason's money has doubled in value?

Answers

Answer:

$339

Step-by-step explanation:

chloe wants to ride her bicycle 34.1 miles this week. She has already ridden 14 miles if she rides for 3 more days, write and solve an equation which can be used to determin m, the avergae number of miles she would have to ride each day to meet her goal.

Answers

Step-by-step explanation:

I guess the meaning is that after 3 more days the week will be over, and she has to reach her goal by then.

x = the average number of miles to ride each of the 3 days

x = (34.1 - 14)/3

the solution is

x = 20.1/3 = 6.7 miles

Leila purchased a snack-size roll of candy tarts, and found that only 1/7 of them were grape-flavored. Suppose Leila later
buys a king-size roll of candy tarts that contains 40 pieces. How many of that roll can she expect to be grape-flavored?

HELP PLEASE!!!!!

Answers

Answer:

6 candy tarts

Step-by-step explanation:

Based on Leila's observations, we would expect all boxes of candy tarts to have 1/7 grape-flavoured ones. If we have a box of 40, we can find the expected number of grape flavoured nady tarts by multiplying 40 and 1/7.

40 × 1/7 = 5.714285714

You can round this to 6 candy tarts

Select the correct answer. What is l-14l ? A. B. C. D. E.

Answers

Answer:

A

Step-by-step explanation:

I know the first one, I just need help on b.

Answers

Answer:

its the one at about (8, 8000)

Step-by-step explanation:

If you look at all of the points, you can see the price constantly goes done as the car gets older. The only point away from the constant pattern is the one that is 8 years old, costing about 8000.

What is the domain of the function y = l n (StartFraction negative x 3 Over 2 EndFraction).

Answers

The domain of the provide function where the function is defined is x less than the number three.

What is the domain of the function?

Domain of a function is the set of all the possible input values which are valid for that function.

The function given in the problem is,

[tex]y=\ln\left(\dfrac{-x+3}{1}\right)[/tex]

The above function is the function of logarithm. For the logarithmic function, it is defined for all the real numbers except 0.

Thus, the function should be greater than zero as,

[tex]\left(\dfrac{-x+3}{1}\right) > 0\\(-x+3) > 0\\-x > -3[/tex]

Change the sign of both side, by changing the inequality,

[tex]x < 3[/tex]

Thus, the domain of the provide function where the function is defined is x less than the number three.

Learn more about the domain of the function here;

https://brainly.com/question/2264373

Answer:

x<3

Step-by-step explanation:

edge 2022

For what values of a are the following expressions true? a +5 = −5−a ,a +5 = a + 5

Answers

Answer:

Step-by-step explanation:

I’ve tried a couple different things and are still stuck some help would be great

Answers

Answer:

12×7×4+1=337

Step-by-step explanation:

if u did anything else it would be smaller and u can't use all multiplication because 12×7×4×1=336

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