Which of the following equations have exactly one solution?
Choose all answers that apply.
A. 12x+12=13x-12
B.-13x+12=13x+13
C.-13x+12=13x-13
D.12x+12=13x+12

Answers

Answer 1

Answer:

A,B,C,D

Step-by-step explanation:


Related Questions

A small dog bowl holds 75% as much as a large dog bowl.
If the small bowl holds 36 tablespoons of dog food, how much does the large
hold?

Answers

Answer:

48 tablespoons

Step-by-step explanation:

A small dog bowl holds 75% as much as a large dog bowl.

This can be expressed as:

s = 0.75l, where s - volume of small bowl, l - volume of large bowl

We are given s = 36 tablespoons, then the value of l is:

36 = 0.75ll = 36/0.75l = 48 tablespoons

Answer:

48

Step-by-step explanation:

[tex]36 \div 75\% \\ \frac{36}{0.75} \\

multiply \: the \: numerator \: and \: the \: denominator \: with \: the \: same \: whole \: number \\ \frac{3600}{75} \\ = 48[/tex]

please help!!! Thanks!!

Answers

Answer:

C. [tex] \dfrac{\sqrt{7}}{2} [/tex]

Step-by-step explanation:

[tex] \dfrac{\sqrt{14}}{2\sqrt{2}} = [/tex]

[tex]= \dfrac{\sqrt{2 \times 7}}{2\sqrt{2}}[/tex]

[tex]= \dfrac{\sqrt{2} \times \sqrt{7}}{2\sqrt{2}}[/tex]

[tex] = \dfrac{\sqrt{7}}{2} [/tex]

Answer: C. [tex] \dfrac{\sqrt{7}}{2} [/tex]

Trayvon enters a competition to guess how many balls are in a barrel. Trayvon’s guess is 63 balls. The actual number of balls is 60. What is the percent error of Trayvon’s guess?

Answers

Answer:

+5%

Step-by-step explanation:

Trayvon's guess, 63, is 3 higher than the actual number of balls.  We compare 3 to 60:  3/60, or 1/20.  Multiplying this result by 100%, we get 5%.  The percent error is 5%.

Arrange from least to greatest
5/8, 1/3, 2/5, 1/2, 3/4, 1/10

I can't think of a single number that they all go into so if anyone could help me figure this out, I'd be super grateful

Answers

Answer:

1/10, 1/3, 2/5, 1/2, 5/8, 3/4

why is the imposter sus?1???111

Answers

Answer:

Step-by-step explanation:

Because he do be sussing

helppppp meeeeee!!!!. The first ten multiples of 7 and the first four multiples of 9 are listed in the table below. Fill in the next five multiples of 9, and then find the least common multiple, or LCM, of 7 and 9.



Type the multiples in the increasing order.

Answers

Answer:

63

Step-by-step explanation:

7, 14, 21, 28, 35, 42, 49, 56, 63, 70.

9, 18, 27, 36, 45, 54, 63, 72, 81, 90.

A:63

the next five multiples of 9 are 45, 54, 63, 72, and 81, and the LCM of 7 and 9 is 63.

Here are the first ten multiples of 7 and the first four multiples of 9:

Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70

Multiples of 9: 9, 18, 27, 36

Next five multiples of 9:

45, 54, 63, 72, 81

To find the least common multiple (LCM) of 7 and 9, we can identify the smallest multiple that both numbers share. From the lists, we see that the least common multiple of 7 and 9 is 63.

Therefore, the next five multiples of 9 are 45, 54, 63, 72, and 81, and the LCM of 7 and 9 is 63.

To know more about LCM :

https://brainly.com/question/34291727

#SPJ3

what is 0.2857142857 rounded to the nearest whole percent? pls help me​

Answers

29% would be the answer if you are rounding up

The length of a rectangle is 3 ft longer than its width.
If the perimeter of the rectangle is 70 ft, find its length and width.

Answers

Answer:

The length is 16 and the width is 19.

Step-by-step explanation:

We'll represent width with the letter w, and length with l.

w = l + 3

The perimeter is all four sides, so perimeter = 70ft = (2w) + (2l)

We will replace w with l + 3.

70 = 2(l + 3) + (2l)

2 (l + 3) = (l + 3) + (l + 3)

and 2l = l + l, so

70 = l + 3 + l + 3 + l + l = 4l + 6

We subtract 6 from both sides.

64 = 4l

then we divide both sides by 4

16 = l

Remember width = length + 3, so

16 + 3 = w

19 = w

Just to check:

2(length) + 2(width) = perimeter

2(16) + 2(19) = 70

32 + 38 = 70

You have 130 feet of fencing to build a rectangular sheep pen. What is the area of the
largest pen you can build?

HELP ASAP

Answers

Answer:32.5

Step-by-step explanation:

Is -1 bigger than 32 positive

Answers

No, -1 is less than 32.

-1<32

-1 is in the negatives, so its less

Hope that helped:)

What is the correct answer​

Answers

Answer:

Mia

Step-by-step explanation:

The slope is 6   using y = mx + b where m is the slope

Ordered pair (0, 4) and (-1, -2) are points on the blue line.  Check  to see if the slope = 6.

Slope = (change in the y-values)/(change in the x-values)

Slope = (-2 - 4)/(-1 - 0)  

Slope = -6/ -1

Slope = 6

Therefore Mia is correct.

what is the volume of a cube 4cm length 4cm height 4cm width ​

Answers

Answer:

64

Step-by-step explanation:

because the formula for the volume of a cube is edge (4) to the power of 3

4 to the power of 3 is 64

Just say 1,2,3,4,5,6 or 7 and there are more than 1 answer WORTH 90 POINTS!! HELP ME​

Answers

Yo bro i got to add words but the answer is 2

At summer camp there are 40 boys out of 70 campers.what is this ratio written in simplest form

Answers

Answer:

4/7 is the simplified answer !!

help i dont get this stuff
Order from least to greatest.

5/18, 1/4, 1/6, -0.8

I'll give you the brain thing if your right. plz help me

Answers

Answer: -0.8, 1/6, 1/4, 5/18

The negative number is the smallest. To find the order for the fractions, find a common denominator and then order them. The common denominator of 18, 4, and 6 is 36.

So, 5/18 becomes 10/36, 1/4 becomes 9/36, and 1/6 becomes 6/36.

So, the final order is -0.8, 1/6, 1/4, 5/18.

:)

Solve pls brainliest! the first one to answer it gets the brainliest

Answers

Answer:

11/6

1.83333….

:)

Play Station Plus costs $60.00 for a yearly (12 Months) subscription. What is the unit price per month?
Show your work. And Explain why you pick that answer!

Answers

Five dollars a month 60 divided by 12 = 5$
10 dollars your welcome

guys please help i’m so confused

Answers

Answer:

4

Step-by-step explanation:

(x1,y1)(x2,y2)

(2,8)   (0,0)

0-8 / 0-2 = -8/-2

simplify -8/-2 = 4

Answer:

4.

Step-by-step explanation:

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

-  that is rise / run.

We use the points (2, 8) and (2,0) ( - the last point is vertically below (2,8) and is on the x axis)

Here y2 = 8, y1 = 0, x2 = 2 and x1 = 0.

So the slope = (8-0)/(2-0)

= 4

9.
A line passes through (–7, –5) and (–5, 4).Write an equation for the line in point-slope form.
Rewrite the equation in standard form using integers.
A. y + 5 = 9/2(x – 7); –9x + 2y = 53
B. y – 5 = 9/2(x + 7); –9x + 2y = –53
C. y + 7 = 9/2(x + 5); –9x + 2y = 31
D. y + 5 = 9/2(x + 7); –9x + 2y = 53

Answers

B. The equation of the line in standard form is
y
=
9
2
x
+
53
2
.
or
2
y
=
9
x
+
53
or
9
x

2
y
=

53

Answer:

D. y + 5 = 9/2(x + 7); –9x + 2y = 53

Step-by-step explanation:

The equation:

y - y 1 =  ( y2 - y1 ) / ( x2- x1) * ( x - x1 )

y - ( - 5 ) = ( 4 + 5 ) / ( - 5 + 7 ) * ( x - ( - 7 ) )

y + 5 = 9/2 ( x + 7 )

y + 5 = 9/2 x + 63 /2  / * 2

2 y + 10 = 9 x + 63

- 9 x + 2 x = 53

Answer:

C ) y + 5 = 9/2 ( x + 7 ) ;   - 9 x + 2 y = 53

Option C is correct

Step-by-step explanation:

Point slope form:

The equation of line is given by:

    ....[1] where m is the slope and a point  lies on the line.

Given that:

A line passes through (-7,-5) and (-5,4).

Calculate  slope:

Slope is given by:

Substitute the given values we have;

Simplify:

Substitute thee value of m and (-7, -5) in [1] we have;

Simplify:

Using distributive property :

Subtract 9x from both sides we have;

Subtract 10 from both sides we have;

Therefore, an equation for the line in point-slope form is  and the equation in standard form using integers is

Biggest to smallest 0.012, 0.100, 0.001 0.101

Answers

Answer:

0.101,0.100.0.012,0.001

Step-by-step explanation:

Hello!

All you have to do is look at it's place. The tenth place is the largest decimal so that would be your largest.

Answer:

0.1, 0.101, 0.12, 0.001

graph f(x)=3x+5 and g(x)=3x-2

Answers

Answer:

Two parallel lines

Step-by-step explanation:

the slopes are the same: slope = 3

f(x) 3x + 5                          g(x) = 3x - 2

Pick at least three x values and find their corresponding values for y. Remember the f(x)  and g(x) represent y

                                   f(x) = 3x + 5                           g(x) = 3x - 2

                                    y = 3x + 5                              y = 3x - 2

let x = 0                       y = 3(0) + 5                              y = 3(0) - 2

                                     y = 5                                         y   =  -2

Ordered pair                (0, 5)                                        (0, -2)

Let x = 1                      y = 3(1) +5                                y  = 3(1) - 2

                                  y = 8                                         y = 1

ordered pair                (1, 8)                                        (1, 1)

Let x = -1                  y = 3(-1) + 5                               y = 3(-1) - 2                  

                                  y = 2                                        y =  -5

ordered pair             (-1, 2)                                         ( -1, -5)

Locate the ordered pairs and draw the graph on the lines.  

you will graph two parallel lines        

The distance, d in meters, that an accelerating object travels is given by
d=1/2*a*t^2
, where a is the acceleration rate in meters per second squared
and t is the time in seconds. A motorbike accelerates from a stop with
an acceleration of 40 meters per second squared over a distance of 60
meters. About how many seconds did the motorbike travel?
A. Between 4 and 5 B. Between 2 and 3 C. 1
D. Between 1 and 2 E. 2

Answers

Answer:

B.Between 2 and 3

Step-by-step explanation:

60÷40

=3/2

2
1. A local zoo had 750 visitors on Saturday. If
20% of the guests traveled Prom out of town,
how many local guests visited the zoo on
Saturday?

Answers

Answer:

600

Step-by-step explanation:

lim x -4 sqrt x+20 - sqrt 12-x x^ 2 +3x-4 =

Answers

hey jay sorry for the phone number but i did not respond yet but i will text you back when you leave the office

Step-by-step explanation:

[tex] = \lim \limits_{x \to - 4} \frac{ \sqrt{x + 20} - \sqrt{12 - x} }{ {x}^{2} + 3x - 4 } [/tex]

[tex] = \lim \limits_{x \to - 4} \frac{ \sqrt{x + 20} - \sqrt{12 - x} }{(x + 4)(x - 1)} \times \frac{ \sqrt{x + 20} + \sqrt{12 - x} }{ \sqrt{x + 20} + \sqrt{12 - x } } [/tex]

[tex] = \lim \limits_{x \to - 4} \frac{ {( \sqrt{x + 20} )}^{2} - {( \sqrt{12 - x} )}^{2} }{(x + 4)(x - 1)( \sqrt{x + 20} + \sqrt{12 - x} )} [/tex]

[tex] = \lim \limits_{x \to - 4} \frac{x + 20 - 12 + x }{(x + 4)(x - 1)( \sqrt{x + 20} + \sqrt{12 - x} )} [/tex]

[tex] = \lim \limits_{x \to - 4} \frac{2x + 8}{(x + 4)(x - 1)( \sqrt{x + 20} + \sqrt{12 - x} )} [/tex]

[tex] = \lim \limits_{x \to - 4} \frac{2 \cancel{(x + 4)}}{ \cancel{(x + 4)}(x - 1)( \sqrt{x + 20} + \sqrt{12 - x} )} [/tex]

[tex] = \lim \limits_{x \to - 4} \frac{2}{(x + 1)( \sqrt{x + 20} + \sqrt{12 - x} )} [/tex]

[tex] = \frac{2}{( - 4 + 1)( \sqrt{ - 4 + 20} + \sqrt{12 + 4} ) } [/tex]

[tex] = \frac{2}{( - 3)( \sqrt{16} + \sqrt{16}) } [/tex]

[tex] = \frac{2}{( - 3)(4 + 4)} [/tex]

[tex] = \frac{2}{( - 3)(16)} [/tex]

[tex] = \frac{1}{( - 3)(8)} [/tex]

[tex] = - \frac{1}{24} [/tex]

Find The sales price. Round to the nearest cent. Show your work

$800.25 smart TV; 56% discount

Answers

If a smart tv is 800.25 and the discount is 56% it would be 14.29 because your rounded to the nearest cent.

It costs $31.80 to fill a car that holds 20 gallons of gas. What is the constant of proportionality that relates the cost in dollars, y, to the number of gallons of gas, x?

Answers

Answer:

y=1.59x

Step-by-step explanation:

price= (number of gallons)x(cost per gallon)

31.80/20 gallons=1.59 per gallon

price= (number of gallons)(1.59)

pls mark branliest

i will give brainliest if you give me the right answer.

Answers

Given Equation:-

[tex]\red{➤}\:[/tex][tex]\sf \dfrac{6+8x}{2} = 5x[/tex]

[tex]\\[/tex]

To Find:-

[tex]\orange{☛}\:[/tex][tex]\sf Value \:of \: x [/tex]

[tex]\\[/tex]

Solution:-

[tex]\begin{gathered}\\\quad\longrightarrow\quad\sf \frac{6+8x}{2} = 5x \\\end{gathered} [/tex]

[tex]\begin{gathered}\\\quad\longrightarrow\quad\sf 6+8x= 5x×2 \\\end{gathered} [/tex]

[tex]\begin{gathered}\\\quad\longrightarrow\quad\sf 6+8x= 10x \\\end{gathered} [/tex]

[tex]\begin{gathered}\\\quad\longrightarrow\quad\sf 8x-10x= -6 \\\end{gathered} [/tex]

[tex]\begin{gathered}\\\quad\longrightarrow\quad\sf -2x = -6 \\\end{gathered} [/tex]

[tex]\begin{gathered}\\\quad\longrightarrow\quad\sf x = \frac{-6}{-2} \\\end{gathered} [/tex]

[tex]\begin{gathered}\\\quad\longrightarrow\quad\boxed{\sf {x = 3}} \\\end{gathered} [/tex]

Remember-

On Transfering the terms to other side of equation-

+ changes to -

- changes to +

× changes to ÷

÷ changes to ×

Select all ratios equivalent to 3:2.
13:1
26:10
24:16

Answers

24:16


24 divided by 3 = 8

8 x 3 = 24
8 x 2 = 16

Daniel sells bracelets for $0.5 each. How many bracelets can he sell for $6.35

Answers

Answer:

He can sell 12 bracelets.

Step-by-step explanation:

6.35/0.5 will give u your answer!

The height of a building is proportional to the number of floors. The
figure shows the height of a building with 8 floors. Complete parts a
and b.
h= 128 ft
a. Write the ratio of height of the building to the number of floors. Then, find the unit rate, and
explain what it means in this situation. Fill in the correct answers to complete the sentences.
The ratio of height of the building to the number of floors is 1. The unit rate is . This means that
each floor of the building is ft high.

Answers

Answer:

Step-by-step explanation:

Ok friend

Answer:

204

Step-by-step explanation:

100

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