PLEASE HELP ITS ALMOST LATE

Answer: 8 textbooks

Step-by-step explanation:

Sold 40 notebooks = 40 x $4 = $160

$800 - $160 = $640 left to sell

$640/$80 (cost of textbook) = 8 textbooks need to be sold

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

[tex]D = \frac{m}{v} \\ [/tex]

[tex] \frac{m}{v} = D \\ [/tex]

Multiply sides by v

[tex]v \times \frac{m}{v} = v \times D \\ [/tex]

[tex]m = D \times v[/tex]

[tex]m = Dv[/tex]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Answer:

the national league

Step-by-step explanation:

Answer:

7/50

Step-by-step explanation:

Total number of cards: 6+4+8+7 = 25

Total number of numbers on the cube = 6

Number of green cards: 7

number of odd numbers on the cube: 3 [1,3,5]

Probability of getting a green card with a odd number :

[tex]\frac{7}{25} * \frac{3}{6} \\\\\frac{7}{25} * \frac{1}{2}\\ \\\frac{7}{50}[/tex]

Answer:

lolololol

h13465+46543htr

hh

Step-by-step explanation:

Answer:

The top left, (7 + 9x = 9x + 7) is infinite, and the top right, (12 - 15x = -2 - 15x) has no solution

7 + 9x = 9x + 7

10x - 4 = -4 + 10x

-2x + 5 = -2x + 5

12 - 15x = -2 - 15x

6x + 5 = 8 + 6x

5/4x - 1 = 1 + 5/4x |

3x + 4 = 8x - 9

9 + 1/2x = 5x - 1

-4x - 5 = 6 - 11x

hope this helps :)

Answer:

exact form:negative 9/4

decimal form:- 2.25

Mixed number form:negative 2  [tex]\frac{1}{4}[/tex]

Step-by-step explanation:

Answer:

1 / 6 of 84kg = 14kg

Hope this helps you. If it did make sure to mark my ans as the brainliest !

Cheers!

Answer:

100

Step-by-step explanation:

Answer:

Im not sure but I think it is 172! I hope this helped!!

Step-by-step explanation:

Answer:

Please check the explanation!

Step-by-step explanation:

[tex]\left(-40\right)-\left(-62\right)[/tex]

[tex]\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a,\:-\left(-a\right)=a[/tex]

[tex]=-40+62[/tex]

[tex]\mathrm{Add/Subtract\:the\:numbers:}\:-40+62=22[/tex]

[tex]=22[/tex]

[tex](-62)-(-40)[/tex]

[tex]\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a,\:-\left(-a\right)=a[/tex]

[tex]=-62+40[/tex]

[tex]\mathrm{Add/Subtract\:the\:numbers:}\:-62+40=-22[/tex]

[tex]=-22[/tex]

Answer:

After solving the equation [tex]0.4(20 - 10m) = 2.5 - 2m - 12.5[/tex] for m we get m=9

Step-by-step explanation:

We need to solve the equation [tex]0.4(20 - 10m) = 2.5 - 2m - 12.5[/tex] for m.

That is we need to find value of m.

Solving:

[tex]0.4(20 - 10m) = 2.5 - 2m - 12.5[/tex]

Multiply 0.4 with terms inside the bracket

[tex]8-4m=2.5-2m-12.5[/tex]

Now, adding 2m on both sides

[tex]8-4m+2m=2.5-2m-12.5+2m\\8-2m=2.5-12.5\\8-2m=-10[/tex]

Subtracting 8 from both sides

[tex]8-2m-8=-10-8\\-2m=-18[/tex]

Divide both sides by -2

[tex]\frac{-2m}{-2}=\frac{-18}{-2}\\m=9[/tex]

So, after solving the equation [tex]0.4(20 - 10m) = 2.5 - 2m - 12.5[/tex] for m we get m=9

Answer:

the answer is 7.4

Step-by-step explanation:

Answer:

7.4

Step-by-step explanation:

Answer:

120.

Step-by-step explanation:

Para poder determinar el numero de canicas que Juan tiene, se debe obtener el múltiplo común mayor entre 2, 3 y 5, que sea menor a 200. Así, para ser múltiplo de 2 debe ser un número par, para ser múltiplo de 3 sus dígitos deben sumar un número divisible por 3, y para ser múltiplo de 5 debe terminar en 5 o 0.

Así, dado que 0 es par, se debe tratar de un número terminado en 0, divisible por 3: puede tratarse de los números 120, 150 o 180. Así, dado que 119/7 es igual a 17, sobrando 1 para completar el número 120, el número de canicas que Juan tiene es 120.

Answer:

The annual interest is 6.77%

Step-by-step explanation:

Simple Interest

Definition: Interest calculated on the original principal only of a loan or on the balance of an account.

Unlike compound interest where the interest earned in the compounding periods is added to form the new principal, simple interest only considers the principal to calculate the interest in every period.

The interest earned is calculated as follows:

[tex]I=Prt[/tex]

Where:

I = Interest

P = initial principal balance

r = interest rate

t = time

Your parents will retire in t = 19 years. They have P=$350,000 in their savings account and they need to have $800,000 when they retire.

The interest earned is the difference between the final balance and the principal:

I = $800,000 - $350,000 = $450.000

Solving the first equation for r:

[tex]\displaystyle r=\frac{I}{P.t}[/tex]

Substituting:

[tex]\displaystyle r=\frac{450,000}{350,000\cdot 19}[/tex]

Calculating:

r = 0.0677

Or, equivalently:

r = 6.77%

The annual interest is 6.77%

The annual interest rate that should be earned for reaching the goal should be 6.77%.

Since the parents will get retired in 19 years. They presently have a saving amount of $350,000, and they think they require $800,000 at the time of retirement.

So here the rate of interest should be

= (Requirement - saving amount) / (Saving amount * number of years)

= $450,000 / (350,000 .19)

= 6.77%

hence, The annual interest rate should be 6.77%.

Learn more about interest rate here: https://brainly.com/question/4626564?referrer=searchResults

Answer:

116°

Step-by-step explanation:

3x-4+9x+17+6x-31=180

18x-18=180

+18 +18

18x=198

18x/18=198/18

x=11

a=9x+17

a=9(11)+17

a=99+17

a=116°

hopefully this helps :)

Angle A : 116°

The sum of all the angles in the triangle is 180°

∠A+∠B+∠C=180°

[tex]\tt 9x+17+3x-4+6x-31=180\\\\18x-18=180\\\\18x=198\\\\x=11\\\\A=9.11+17=116^0[/tex]

Answer:

john is 20 years old

Step-by-step explanation:

we can take the ages as

john= x

jean= x+12

according to question

x+(x+12)= 52

2x+12= 52

transpose

2x= 52-12

2x= 40

x= 40/2

x= 20

john= 20

jean= 20+12= 32

therefore john is 20 years old and jean is 32 years old

Answer:

Reflection over the Y axis

Step-by-step explanation:

I got it right on imagine math.

The transformation rule is given as the reflection over y-axis.The correct option is (C).

The graph of a function can be transformed by either shifting it in the right, left, up or down.

When the transformation is rightwards, the function becomes as f(x - a).

For left shifting it is f(x + a).

Take any coordinate to describe the transformation.

For point E and E' the coordinates are given as (-5, 3) and (5, 3).

Since, y coordinate is the same while the sign of x coordinate has changed.

Point E' is the reflection of E across y-axis.

Hence, the required transformation for the given graph is reflection over y-axis.

To know more about transformation of graph click on,

https://brainly.com/question/10059147

#SPJ2

Answer:

1. 3

2. 3

3. 3

4. 3x + 3

Step-by-step explanation:

Answer:

greater then a hundred but less then 150

Step-by-step explanation:

I multilayered by 3.5

Step-by-step explanation:

Answer:

-1

Step-by-step explanation:

slope is the change in y over change in x

from one point to another you have to go down 5 and to the right 5

since we’re moving down 5 is negative

so the slope is -5/5 which simplified to -1

Answer:

The 90% confidence interval is  [tex]0.1316 <  p <  0.1812[/tex]

Step-by-step explanation:

From the question we are told that

   The sample size is  n  =  582

   The number of teenagers at the wheel is k = 91

Generally the sample proportion is mathematically represented as

          [tex]\^ p = \frac{k}{n}[/tex]

=>       [tex]\^ p = \frac{91}{582}[/tex]

=>      [tex]\^ p = 0.1564[/tex]

From the question we are told the confidence level is  90% , hence the level of significance is    

      [tex]\alpha = (100 - 90 ) \%[/tex]

=>   [tex]\alpha = 0.10[/tex]

Generally from the normal distribution table the critical value  of  [tex]\frac{\alpha }{2}[/tex] is  

   [tex]Z_{\frac{\alpha }{2} } =  1.645[/tex]

Generally the margin of error is mathematically represented as  

     [tex]E =  Z_{\frac{\alpha }{2} } * \sqrt{\frac{\^ p (1- \^ p)}{n} } [/tex]

=>  [tex]E =  1.645 * \sqrt{\frac{0.1564  (1- 0.1564)}{582} } [/tex]

=>  [tex]E =  0.0248 [/tex]

Generally 95% confidence interval is mathematically represented as  

      [tex]\^ p -E <  p <  \^ p +E[/tex]

=>   [tex]0.1564  -0.0248 <  p <  0.1564  + 0.0248[/tex]

=>   [tex]0.1316 <  p <  0.1812[/tex]

Answer:

I know its not a or b but c and d are the same answer.

Step-by-step explanation:

From the given expressions, option (D) gives value 7. Option (D) is correct.

An algebraic expression is consists of variables, numbers with various mathematical operations,

Given that,

The value of p is 64 and the value of q is 12.

To determine the expression which gives value 7.

Solve with the help of options,

(A)

3√p - q + 5

Substitute the value of p and q here,

= 3√64 - 12 + 5

= 3×8 -12 +5

= 24 - 7

= 17

(B)

3(√p - q) + 5

Substitute the value of p and q here,

= 3(√64 - 12) + 5

= 3(-4)+ 5

= -12 + 5

= -7

(C)

3(√p) - q + 5

Substitute the value of p and q here,

= 3(√64) - 12 + 5

= 3×8 -12 +5

= 24 - 7

= 17

(D)

3√p - (q + 5)

Substitute the value of p and q here,

= 3√64 - (12 + 5)

= 24 - 17

= 7

Hence, option (d) gives value 7.

To know more about Algebraic expression on:

https://brainly.com/question/19245500

#SPJ2

Answer:

The coordinates of every point on the line will solve the equation if you substitute them in the equation for x and y. The equation of any straight line, called a linear equation, can be written as: y = mx + b, where m is the slope of the line and b is the y-intercept.

Step-by-step explanation:

Answer:

I think they are SAS but I'm not sure

Answer:

C

Step-by-step explanation:

You need to isolate the y variable. The first thing you need to do is move the 2 and 3x to the other side of the equation.

3x + 1/5y - 2 = 0

1/5y = -3x +2

Then you need to get rid of the 1/5 so you multiply both sides equation by the reciprocal of 1/5 which is 5/1 or 5.

y = ( -3x +2) 5

then you distribute the 5 to get

y = -15x+10

C.y=-15x +10

Move everything to the other side:

1/5y = 2-3x

Switch -3x and 2

1/5y= -3x+2

multiply by 5

y= -15x + 10

Answer:

Step-by-step explanation:

1) y  = 3x + 1

When x = -1 ,   y = 3*(-1) + 1              

                          = -3 + 1

                        y = -2

(-1 , -2)

When x = 0 ,  y = 3*0 + 1

                      y = 1

(0 , 1)

When x = +1 , y = 3*1 + 1

                          = 3 + 1

                       y = 4

(1 , 4 )

Plot these points in the graph and join the points.

2) y = 2x -1

When x = -1 ,         y = 2*(-1) - 1

                                = - 2 - 1

                             y = -3

(-1 , -3)

When x = 0,      y = 2*0 - 1

                        y = -1

(0 , -1)

When x = +1 , y = 2*1 -1

                         = 2 - 1

                       y = 1

(1 , 1)

Answer:

really hard

Step-by-step explanation:

ask sheldon