A balloon is floating above a lake and a sunken canoe is below the surface of the lake. The balloon's vertical position is 12 meters and the canoe's is -4.8 meters. The equation: 12+d=-4.812 + d = − 4.8 represents this situation. What does the variable d represent? (distance or difference) What value of d makes the equation true?

Answers

Answer 1

Answer:

d represents distance

d = -16.8

Step-by-step explanation:

From the question, we are to find the vale of d from the expression

12+d = -4.8

Subtract 12 from both sides

12+d-12 = -4.8-12

d = -4.8-12

d = -16.8

Hence the value of d that makes two equation true is 16.8

d represents distance

Answer 2

d represents distance

d = -16.8

Calculation:

12+d = -4.8

Here we have to do Subtract 12 from both sides

12+d-12 = -4.8-12

d = -4.8-12

d = -16.8

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Related Questions

Solve m/8<4 graph the solution

Answers

Answer:

Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality :

                    m/8-(-4)<0

           m

Simplify   —

           8  

m    

 — -  -4  < 0

2.1   Subtracting a whole from a fraction

Rewrite the whole as a fraction using  8  as the denominator :

         -4     -4 • 8

   -4 =  ——  =  ——————

         1        8     8    

Step-by-step explanation:

the answer is m<-32

The solution of inequality m/8 < 4 is,

⇒ m = 32

Which is shown in graph of image.

What is mean by Inequality?

A relation by which we can compare two or more mathematical expression is called an inequality.

We have to given that;

The expression of the inequality is,

⇒ m/ 8 < 4

Now, We can simply the expression as;

⇒ m/ 8 < 4

⇒ m/ 8 - 4 < 0

⇒ (m - 32)/8 < 0

⇒ m - 32 < 0

⇒ m < 32

Therefore, The solution of inequality m/8 < 4 is,

⇒ m = 32

Which is shown in graph of image.

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What is the value of Negative 3 r + 8 when r = 4?

-12
-4
4
12

Answers

-4 is the correct answer
The answer is -4!!!!!!

Can someone help me I tried many ways but got a different answer

Answers

Answer:

v = 21

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Algebra I

Terms/Coefficients/Degrees

Geometry

All angles in a triangle add up to 180°

Step-by-step explanation:

Step 1: Set Up Equation

2v + 3v + 75 = 180

Step 2: Solve for v

Combine like terms:                    5v + 75 = 180Isolate v term:                              5v = 105Isolate v:                                       v = 21

Answer:

21 degrees

Step-by-step explanation:

3v + 2v + 75 = 108

3v + 2v = 5v

5v + 75 = 108

-75 -75

÷5. 105

÷5 = 21

X=21

which value does w make true PLS HELP ME NOW IF U HELP U GET BRAINLISTED​

Answers

Answer:

A is the answer ,I am very sure

Step-by-step explanation:

The answer is a for sure

35PTS if u can solve!!!
What is the value for y?

Answers

Answer:

y=14

x=25

Step-by-step explanation:

in angle HIJ the measure of angle J is equal to 90° HI is equal to 88 ft,and IJ=62ft . find the measure of angle I to the earest tenths of a degree

Answers

Answer: [tex]45.21^{\circ }[/tex]

Step-by-step explanation:

Given

[tex]\angle J=90^{\circ }[/tex]

HI=88 ft

IJ=62 ft

From the figure, we can write

[tex]\cos I=\frac{IJ}{HI}=\frac{62}{88}=\frac{31}{44}\\I=\cos^{-1} (\frac{31}{44})=45.207^{\circ }\approx 45.21^{\circ }[/tex]

Need help
Use <,>,= to make a true statement
The square root of 54_7.4

Answers

Answer:

Answer is<

Step-by-step explanation:

the square root of 54 is 7.34<7.4

A circle has an area of 201.0619. What is the diameter? (round to the nearest whole number)

Answers

The diameter of the circle is approximately 16

Answer:

16

Step-by-step explanation:

d≈16

A Area

201.0619

Using the formulas

A=πr2

d=2r

Solving ford

d=2A

π=2·201.06

π≈16

Simplify (v5)(3v5)

[tex]( \sqrt{5) } ( \sqrt[3]{5)} [/tex]

Answers

Answer:

Чеееееееееннннннннннееееее блин

Answer:

Step-by-step explanation:

[tex]\frac{1}{2}+\frac{1}{3}=\frac{1*3}{2*3}+\frac{1*2}{3*2}\\\\= \frac{3}{6}+\frac{2}{6}\\\\= \frac{5}{6}[/tex]

[tex]a^{m}*a^{n} = a^{m+n}[/tex]

[tex]\sqrt{5}*\sqrt[3]{5}=5^{\frac{1}{2}} * 5^{\frac{1}{3}}\\\\= 5^{\frac{1}{2}+\frac{1}{3}}\\\\= 5^{\frac{5}{6}}\\\\= \sqrt[6]{5^{5}}[/tex]

A lug nut is used to secure a wheel on a vehicle. Most lug nuts are shaped like regular pentagons or regular hexagons. However, some lug nuts are shaped like regular heptagons (7 sided). What is the measure of each interior angle of a regular heptagon lug nut? Round your answer to the nearest degree

Answers

Answer:

[tex]129^{\circ}[/tex]

Step-by-step explanation:

n = Number of sides of a polygon = 7

The interior angles of a polygon is given by

[tex]\theta=\dfrac{(n-2)180^{\circ}}{n}[/tex]

[tex]\Rightarrow \theta=\dfrac{(7-2)\times 180^{\circ}}{7}[/tex]

[tex]\Rightarrow \theta=\dfrac{5\times 180^{\circ}}{7}[/tex]

[tex]\Rightarrow \theta=\dfrac{900^{\circ}}{7}[/tex]

[tex]\Rightarrow \theta=128.57^{\circ}\approx 129^{\circ}[/tex]

Each interior angle of a heptagonal nut is [tex]129^{\circ}[/tex].

An Olympic swimmer can swim at a rate of 4 3/4 laps per minute for a time of 15 minutes. At this rate, how far can an Olympic swimmer swim?

Answers

Answer:

15min : 4 3/4 laps

30min : 9 2/4 laps

45min: 14 1/4 laps

60min: 20 laps

Step-by-step explanation:

See attached image for the question.

Answers

Answer:

B. 1

Step-by-step explanation:

(2x/2x+1 ) + (1/2x+1) = (2x+1) / (2x+1) = 1

Which expression is equivalent to x2+7x+10

Answers

Answer:

(x+5) (x+2)

Step-by-step explanation:

111 is what percent of 300

Answers

Step-by-step explanation:

111/300 x 100

111/3

=37%

37% is the answer for your question

What is the equation for a line with slope -4 and y-intercept 1?

Answers

Step-by-step explanation:

General line equation: y = mx + c, where

m is the line slope and c is the y-intercept.

Hence our line equation is y = -4x + 1.

Answer:

1=-4x+b

Step-by-step explanation:

y=mx+b

1=-4x+b

You still need the answers for (x) and (b), but this is what you can use for me

Please I’m begging pls help me

Answers

Answer:

12- 706.5

13- true, false, true

14(A)- x= 4.50 + 0.75m

(B)- x= 8.25

x= 4.50 + 0.75(5)

x= 8.25

Step-by-step explanation:

sorry for the other time

A pyrotechnician plans for two fireworks to explode together at the same height in the air. They travel at speeds shown below. Firework B is launched 0.25 s before Firework A. How many seconds after Firework B launches will both fireworks explode? Firework A 240 ft/s Firework B 200 ft/s​

Answers

Answer: 1.50 seconds

Step-by-step explanation:

Let x = Time taken by Firework A to explode( in seconds ).

Time taken by Firework B = x+ 0.25 seconds

Distance covered = Time × Speed

Distance covered by Firework A = 240 x

Distance covered by Firework B = 200 (x+0.25) = 200x+50

When both at same height , then

240x = 200x+50

⇒ 240x- 200x =50

⇒40x =50

⇒ x = 1.25

Total time = x+ 0.25 = 0.25+ 1.25 = 1.50 seconds

Hence. after Firework B launches it will take 1.50 seconds to launch.

PLEASE HELP ASAP!!!!
1. Which shows the distributive property being applied to real numbers?
O (2.7). 9 = 2.(7.9)
O (2 + 7) + 9 = 2 + (7 +9)
O2(7+9) = (2) (7) + (2)(9)
02-7= 7.2


Answers

Step-by-step explanation:

the answer is the third one hope it helps though

Answer:

2(7+9) = (2) (7) + (2)(9)

i took the test

Calculate the total surface area of this hemisphere.
Give your answer to 1 decimal place (has a radius of 4cm)

Answers

Answer:

150.9 cm^2

Step-by-step explanation:

Here. we want to calculate the surface area value of a hemisphere with a radius of 4 cm

To calculate this, we use the equation for the area

This is;

3 * pi * r^2

= 3 * 22/7 * 4^2 = 150.9 cm^2

the sum of two number is 45.if one of them is 27 ,find another​

Answers

Answer:

is 18

Step-by-step explanation:

simple you just subtract 27 for the original number

18
you need to do 45 subtract 27 which gives you 18

What is the measure of

Answers

Answer:

measure of what?

Step-by-step explanation:

You need to tell us the measure, what’s the measure?

Find 0.2 of 0.5 Plz help

Answers

Answer:

The answer is 0.001.

Step-by-step explanation:

1% of 0.5 = 0.5/100 = 0.005.

0.2% of 0.5 = 0.2 x 0.005 = 0.001.

Answer:

0.10

Step-by-step explanation:

Solution given:

Over here

of means multiplication.

so

0.2 of 0.5=0.2*0.5=0.10

PLEASE HELP ASAP WILL GIVE BRAINLIEST.

Which functions are decreasing?


Select all answers that are correct.

Answers

Answer:

top-left and bottom-right are decreasing

Step-by-step explanation:

Decreasing means as you move to the right, the function gets smaller (as x increases, y decreases).

top left and bottom right

Uhm help pleaseeee ?

Answers

Answer:

8=73 degrees

5=107 degrees

Step-by-step explanation:

Please mark me brainliest :D

Answer:

Angle 5 is 107 degrees

Angle 8 is 7s degrees

Step-by-step explanation:

First find angle 5. Since the lines are parallel and cut by a transversal, we can say that Angle 3 and Angle 5 are congruent (same measure) since they are alternate interior angles.

Since Angle 3 is 107 degrees, Angle 5 would also be 107 degrees.

Angle 8 is supplementary to Angle 5.

Angle 5 + Angle 8 = 180

Since we know Angle 5 is 107: 107 + Angle 8 = 180

Angle 8 would then be 73 degrees.

The slope of a line ST = −1. What is the value of y if S = (3,−2) and T = (−3,y).
How would I solve this?

Answers

Answer:

hope it helps thnk u .....ask if any queries

Is (-7,-4) a solution of -2y-x=15?

Answers

Answer:

Yes it is

Step-by-step explanation:

simplify the following expression as much as you can use exponential properties. (6^-2)(3^-3)(3*6)^4

Answers

Answer:

Simplifying the expression [tex](6^{-2})(3^{-3})(3*6)^4[/tex] we get [tex]\mathbf{108}[/tex]

Step-by-step explanation:

We need to simplify the expression [tex](6^{-2})(3^{-3})(3*6)^4[/tex]

Solving:

[tex](6^{-2})(3^{-3})(3*6)^4[/tex]

Applying exponent rule: [tex]a^{-m}=\frac{1}{a^m}[/tex]

[tex]=\frac{1}{(6^{2})}\frac{1}{(3^{3})}(18)^4\\=\frac{(18)^4}{6^{2}\:.\:3^{3}} \\[/tex]

Factors of [tex]18=2\times 3\times 3=2\times3^2[/tex]

Factors of [tex]6=2\times 3[/tex]

Replacing terms with factors

[tex]=\frac{(2\times3^2)^4}{(2\times 3)^{2}\:.\:3^{3}} \\=\frac{(2)^4\times(3^2)^4}{(2)^2\times (3)^{2}\:.\:3^{3}} \\[/tex]

Using exponent rule: [tex](a^m)^n=a^{m\times n}[/tex]

[tex]=\frac{(2)^4\times(3)^8}{(2)^2\times (3)^{2}\:.\:3^{3}} \\=\frac{2^4\times 3^8}{2^2\times 3^{2}\:.\:3^{3}}[/tex]

Using exponent rule: [tex]a^m.a^n=a^{m+n}[/tex]

[tex]=\frac{2^4\times 3^8}{2^2\times 3^{2+3}}\\=\frac{2^4\times 3^8}{2^2\times 3^{5}}[/tex]

Now using exponent rule: [tex]\frac{a^m}{a^n}=a^{m-n}[/tex]

[tex]=2^{4-2}\times 3^{8-5}\\=2^{2}\times 3^{3}\\=4\times 27\\=108[/tex]

So, simplifying the expression [tex](6^{-2})(3^{-3})(3*6)^4[/tex] we get [tex]\mathbf{108}[/tex]

CAN SOMEONE PLS HELP WITH THIS ASAP

Answers

Answer:

2,4,5 - obtuse angle

3,4,5 - right angle

6,7,8 - acute angle

7,9,15 - obtuse angle

3,3,10 - cannot form a triangle

What is the slope of the points
(-2,5) and (4,-6)?

Answers

Answer:

-11/6

Step-by-step explanation:

Solve the equation for x.

Answers

Answer:

X is equal to 7

Step-by-step explanation:

Open parenthesis.

3/4x +63/4=21/2

take common denominator

3/4x=42/4-63/4

Solve

3/4x=-21/4

3x=21

x=7

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