Suppose the water level of a river is 34 feet. It recedes 1/2 foot a day. What is the equation you could use to calculate the water for a specific day?

Answers

Answer 1

[tex]Answer : 34-\dfrac{1}{2} n \ \ ; \ \ \rm where \ n \ is \ the \ number\ of \ days[/tex]

Answer 2

Answer:

f(x) = -1/2x + 34

Step-by-step explanation:

This is a linear relationship.

Using the slope intercept form:

y = mx + b

Given:

The y-intercept is b = 34The slope is m = -1/2

The equation is:

f(x) = -1/2x + 34, where x is the number of days

Related Questions

The length of a rectangle is four times its width.
If the perimeter of the rectangle is 70 ft, find its length and width.

Answers

Let L represent length of rectangle

Let W represent width of rectangle

L=4W

2L+2W=70

Substitute 4W for L

2(4W)+2W=70

8W+2W=70

10W=70

Divide both sides by 10

W=7

Use equation from beginning

L=4(7)

L=28

Width is 7 ft, length is 28 ft

Check work

2(28)+2(7)=70

56+14=70

70=70

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Answers

Answer:

the answer is 145°

Step-by-step explanation:

seeing as the two largest angles are 50° and 95° we add them and the answer is 145°

that's what I think :)

The answer is 7200 minutes

The price of an item is $45.00. After a discount, the price is $38.25. What is the percent of the discount?
Answer correctly and I will give brainliest

Answers

Answer:

=15

Step-by-step explanation:

45-x% *45=38.25

(-45) x/100=38.5-45

(-45)x/100=(-6.75)

x=6.75 * 100/45

=15

The percent of the discount is 15.

It is required to find the percent of the discount.

What is percentage?

A part of a whole expressed in hundredths a high percentage of students attended. Also the result obtained by multiplying a number by a percent the percentage equals the rate times the base.

Given:

Let the discount percent be x%

When the price of $45 is reduced by x%, we get $38.25.

So,

45 − x % ∗ 45 = 38.25

− 45 x /100 = 38.25 − 45

− 45 x /100 = − 6.75

x = 6.75 ∗ 100 /45

x= 15

Therefore, the percent of the discount is 15.

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HELP ME PLEASE THIS IS DUE VERY SOON

Answers

Answer:

5/12

Step-by-step explanation:

Divide both numbers in one of the ratios by their highest common factor.

Please give me brainliest it helps a lot!!

what is 9 x 10 hurry I have 10 minutes to answer

Answers

Answer:

90

Step-by-step explanation:

Hope this helps!

Answer:

9×10=90

Step-by-step explanation:

hope it helps ....

Plz Help! A B C or D. I already pressed one but I dont know which one​

Answers

Answer:

D. y = 50

Step-by-step explanation:

Both of the points have same y- coordinate of 50.

It means the slope is zero and the line is parallel to the x- axis.

The line has equation:

y = 50

Correct choice is D

Slope

m=50-50/25+25m=0

Points are parallel

Equation

y=50

What is the slope of the line?

Answers

Answer:

Slope is technically 1, because it implies that it's going up one and over to the right one. Also in slope-intercept form it would look like this

y = x + 1.

Step-by-step explanation:

Hope this makes sense :)

PLS HELP i urgently need help with this "A rolling pin has a diameter of 5 inches. If Lin rolled it across the table and it made 35 rotations, how far did it travel? Round to the nearest tenth."

Answers

Answer:

549.78"

Step-by-step explanation:

diameter÷2=radius=2.5"

2pi2.5=15.71

15.71×35=549.78

find the vaalue of x 3x+ y+ 2z= -10 x+5y+2y+2z= -12 -2x+3y= -1

Answers

x+7y+2z=−12

I'm not 100% sure though

HERE IS ANOTHER ONE WHERE YOU WILL GET 40 POINTS IF YOU ANSWER IT CORRECTLY. THE ONES THAT ARE IN GREY ARE THE ANSWER OPTIONS.

Answers

Answer:

Option A is the correct answer

What would be the answer to the math equation e-mc2
(It is a subtraction sign) :)

Answers

[tex]e−mc {}^{2} [/tex]

Use the commutative property to reorder the terms

[tex]e - {c}^{2} m[/tex]

Seven people went to the movies. The
number of adults was one more than the
Children. Write a system of equations that
represents the number of adults and child-
ren. Solve the system algebraically.

Answers

Answer:

3 kids, 4 Adults

Step-by-step explanation:

x = kids

y = adults

Total = 7

x + y = 7

y = x + 1

do a bit of solvin, too much to type lol

2x = 6

x = 3

And since X = 3  and Y = X + 1

Y = 3 + 1 = 4

A sprinter travels a distance of 100 m in a time of 8.96 seconds.
What is the sprinter's average speed rounded to 4 sf

Answers

The average speed is 40.176 Km/h.

What is Average speed?

The average speed is the total distance traveled by the object in a particular time interval.

Given:

distance = 100m

time= 8.96 seconds

So,

average speed = distance/time taken

= 100/8.96

= 11.16 m/s

and in Km/h

= 11.16* 18/5

= 40.176 Km/h

Hence, the average speed is 40.176 Km/h.

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120% of what number is 102 and how do you write it in an equation? (Include a variable)

Answers

Answer:

y = 85

Step-by-step explanation:

120% times y = 102

The variable is y.

May I please receive help?

Answers

Answer:

a) 60°  b) 50°

Step-by-step explanation:

The measurements of a triangles total angles is always equal to 180.

In question a), an Equilateral triangle is shown. Which means all the sides and angles are equal. So you divide 180 by 3, which equals 60.

In question b), an Isoceles triangle is shown. Which means two of the three sides and angles are equal. The other angle is already given: 80.

All you  need to do now is subtract 80 from 180 and divide the diffrence by 2.

So, 180-80=100

     100/2=50

     S=50

     Q=50

I hope this helped! :D

Find the x - and y- intercepts of the graphs of the linear equation 2x + 3y = 12
The x intercept is ?
The y intercept is ?

Answers

Answer:

Step-by-step explanation:

Move all terms that don't contain

x

to the right side and solve.

x

=

6

+

3

y

2

2x+3y=12
3y-2x=12
y=-2/3x+4
The y intercept is (0,4)
The x intercept is (6,0)

Plllllllllleeeeeeeeeeeesssse help!

Answers

Answer:

3x + 2

Step-by-step explanation:

help me asapppppp plssd​

Answers

Answer:

hello friend i want u to know that im 9 and thank you for your help

Michael and Lindsey are saving money. Micheal begins with $20 and saves $5 per week. Lindsey begins with no money, but saves $10 per week. Enter the number of weeks it will take for Lindsey and Michael to save the same amount of money.

Answers

Step-by-step explanation: 4 Weeks

Find the first match in the same number of weeks.

25, 30, 35, 40, 45, 50, 55, 60

10, 20, 30, 40, 50, 60, 70, 80,

As you can see, 40 dollars for each person is four weeks.

Answer:

5

Step-by-step explanation:

plz mark brainly

Can SOMEONE PLEASE HELP ME I DONT UNDERSTAND THIS PLEASEE ILL GIVE YOU BRIANLIEST

Answers

Answer:

sorry I also dont understand

(x, y) -> (x-2, y+1)
(-2, 1)

(x, y) -> (x+1, y+1)
(1, 1)

On a coordinate plane, 2 straight lines are shown. The first solid line has a negative slope and goes through (negative 2, 3) and (0, negative 1). Everything to the left of the line is shaded. The second dashed line has a negative slope and goes through (0, 2) and (1, 0). Everything to the right of the line is shaded.
Which inequality pairs with y≤−2x−1 to complete the system of linear inequalities represented by the graph?

y<−2x+2
y>−2x+2
y<2x−2
y>2x−2

Answers

Answer:

its b

Step-by-step explanation:

I think it's b because I am trying

Multiply the binomials: (y+2)•(y-6)

Answers

Answer:

(y+2)•(y-6)

Step-by-step explanation:

y(y-6)+2(y-6)

y^2-6y+2y-12

y^2-4y-12

PlEASE I REALLY NEED HELP PLEASE I BEG OF YOU PLEASE!

Answers

Answer:

sure whats the question ? :)

Step-by-step explanation:

PLEASE HELP ME!!!!!!

Answers

its just -1/2 tho or -0.5

pls pls pls help me with this

Answers

Answer:

h=3

Step-by-step explanation:

divided the 21 by the 7

Please help ASAP!!!!!!!!!

Answers

Answer:

£72

Step-by-step explanation:

[tex]\frac{1}{2}[/tex] of 96 = 48

There are 48, £1 coins = £48

There are 48, 50p coins = 48 × £0.5 = £24

Total value of 96 cins = £48 + £24 = £72

Answer:

£72

Step-by-step explanation:

please mark brainiest

The mass of the Eiffel Tower is about 9.16 ⋅ 10^6 kilograms. The mass of the Golden Gate Bridge is 8.05 ⋅ 10^8 kilograms. Approximately how many more kilograms is the mass of the Golden Gate Bridge than the mass of the Eiffel Tower? Show your work and write your answer in scientific notation.

Answers

Answer:

by  [tex]\bf 7.96 *10^6[/tex]  , the mass of the golden gate is larger than the Eiffel Tower

Step-by-step explanation:

[tex]\large \boldsymbol {} \sf 8,05\cdot 10^8-9,16\cdot 10^6 = 805\cdot 10^6-9,16\cdot 10^6 = \\\\ 10^6(805-9,16)=10^6\cdot 795,86 \\\\ Standart \ form \ 10^6\cdot 795,86 \approx 10^8\cdot 7,96 \ kg[/tex]

Answer:

7.96 × 10⁸ kg more

Step-by-step explanation:

Subtract the mass  Eiffel Tower from the mass Golden Gate Bridge:

8.05 × 10⁸ - 9.16 × 10⁶ = (805 - 9.16) × 10⁶ = 795.84 × 10⁶ =7.96 × 10⁸ kg

Line g || line h? Why?

Answers

Answer:

Step-by-step explanation:

We say that two lines (on the same plane) are parallel to each other if they never intersect each other, ragardless of how far they are extended on either

Which is the correct label of the parallel lines?

Answers

Answer:

[tex]a||b[/tex]

The reason is that lines a and b are parallel.

8n+8=9n solve for the value of n

Answers

Answer:

n=8

Step-by-step explanation:

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