In the equation y = x +2, x represents Jean's age in years, and y represents the age of Jean's older sister, Rachel. Which is the graph of this equation? (please help)

Answer:

do not end urself please ur a good guy

Step-by-step explanation:

it's b not d

Answer:

Options (1), (2) and (3)

Step-by-step explanation:

To solve this problem we will use the property,

"A system of equations will have a unique solution if slopes of the linear equations are different"

Slope of a line passing through two points [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex] = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]

Slope of a line passing through (-2, 12) and (3, -23) = [tex]\frac{12+23}{-2-3}[/tex] = (-7)

Option (1)

Slope of a line passing through (-4, 17) and (5, -28) = [tex]\frac{17+28}{-4-5}[/tex] = (-5)

Option (2)

Slope of a line passing through (-2, 16) and (2, -20) = [tex]\frac{16+20}{-2-2}[/tex] = (-9)

Option (3)

Slope of a line passing through (-6, 14) and (4, -16) = [tex]\frac{14+16}{-6-4}[/tex] = (-3)

Option (4)

Slope of a line passing through (-3, 19) and (6, -44) = [tex]\frac{19+44}{-3-6}[/tex] = (-7)

Option (5)

Slope of a line passing through (-5, 32) and (3, -24) = [tex]\frac{32+24}{-5-3}[/tex] = (-7)

Slopes of options (1), (2) and (3) are different.

Therefore, Options (1), (2) and (3) will be the correct options.

Answer:

Option D

Step-by-step explanation:

f(x) = -4x + 2

f(-1) = -4(-1) + 2 = 4 + 2 = 6

Answer:

1. Subtract 2.4 from both sides

2.Simplify to -3x=16.8

3.Divide both sides by -3

4. Simplify to x=-5.6

Answer:

multiple possibilities

Step-by-step explanation:

Y=5x

yx=5

it is unsolvable but have various possible answers:

y=5

x=1

(vise versa)

————

y=2.5

x=2

(vise versa)

Answer:

B. F, Cl, Br, I

Step-by-step explanation:

The atomic nunbers are 9, 17, 35, 53

Have a good day!

Answer:

1.7

Step-by-step explanation:

1 + 7/10

= 1 + 0.7

= 1.7

Answer:

2/5

Step-by-step explanation:

You need to divide 1/4 by 5/8

Keep change flip- 1/4*8/5

the answer is 8/20

simplified- 2/5

decimal form- 0.4

[tex]\frac{5}{32}[/tex] [tex]many\ 1/4 \ cups\ servings\ are\ in\ 5/8\ cup.[/tex]

Division can be defined as the splitting of a large group into smaller groups such that every group will have an equal number of items. It is an operation used for equal grouping and equal sharing in math.

According to the question

Number of 1/4 cups servings are in 5/8 cup:

Based on the given conditions:

= [tex]\frac{5}{8} \div\frac{1}{4}[/tex]

= [tex]\frac{\frac{5}{8} }{\frac{1}{4} }[/tex]

= [tex]\frac{5}{8\times4}[/tex]

= [tex]\frac{5}{32}[/tex]

[tex]\frac{5}{32}[/tex] [tex]many\ 1/4 \ cups\ servings\ are\ in\ 5/8\ cup.[/tex]

Find out more information about division here

https://brainly.com/question/1575906

#SPJ3

Answer:

1,200

Step-by-step explanation:

Answer: a. Standard Error = 0.045

              b. P (p-hat<0.33) = 0.0606

              c. P (0.38<p-hat<0.46) = 0.5782

Step-by-step explanation: The sample proportion is p-hat=0.4

a. Standard error of a sample proportion is calculated as:

[tex]SE=\sqrt{\frac{p(1-p)}{n} }[/tex]

with p=0.4 and n=120:

[tex]SE=\sqrt{\frac{0.4(1-0.4)}{120} }[/tex]

[tex]SE=\sqrt{0.002}[/tex]

SE = 0.045

The standard error of the sample proportion of students bringing their own computer is 0.045.

b. To determine the probability for sample proportions, first find the z-score:

P(p-hat < x) = [tex]P(z<\frac{x-\mu}{SE})[/tex]

[tex]P(p-hat<0.33)=P(z<\frac{0.33-0.4}{0.045} )[/tex]

P(p-hat < 0.33) = [tex]P(z<-1.55)[/tex]

Now, using z-score table, find the probability:

[tex]P(z<-1.55)[/tex] = 0.0606

Probability the sample proportion is less than 0.33 is 0.0606.

c. For probability between two proportions, find z-score for each number of the interval:

For p < 0.38:

P(p-hat < 0.38) = [tex]P(z<\frac{0.38-0.4}{0.045} )[/tex]

P(p-hat < 0.38) = [tex]P(z<-0.44)[/tex]

Using z-score table,

[tex]P(z<-0.44)[/tex] = 0.33

For p < 0.46:

P(p-hat < 0.46) = [tex]P(z<\frac{0.46-0.4}{0.045} )[/tex]

P(p-hat < 0.46) = P(z < 1.33)

Probability is

P(z < 1.33) = 0.9082

The probability of the interval is the difference of each probability:

P(0.38 < p-hat < 0.46) = [tex]P(z<1.33)-P(z<-0.44)[/tex]

P(0.38 < p-hat < 0.46) = [tex]0.9082-0.33[/tex]

P(0.38 < p-hat < 0.46) = 0.5782

Probability the sample proportion is between 0.38 and 0.46 is 0.5782.

Answer:

-690/1000

Step-by-step explanation:

Answer:

f(x)= 2x(x^3-6x^2+13)

Answer: Z= -9.5

Step-by-step explanation:

write the division as a fraction

-4.75=1/2Z

Multiply both sides of the equation by 2

-9.5=Z

then swap the sides of the equation

Z= -9.5

And if they are asking for fraction form then its either

Z= - 19/2, or Z= -9 1/2

Answer:

11/50

Step-by-step explanation:

22/100 can b reduced to 11/50 :)

Answer:

$2.31

Step-by-step explanation:

You divide 27 by 11.7 to find cost per gallon, and get 2.30769230769  but it says to round to nearest cent so you round to 2.31

Answer:

b

Step-by-step explanation:

b

Answer:

70

Step-by-step explanation:

This may be 2 hours ago but at least I know what to do. You can just add 50 + 40%! 40% being .4 and 50 staying the same is in fact 70.

he got a 70.

Answer: m=2

Step-by-step explanation:

-5m-3m+6-3=-13

-8m+3=-13

-3 -3

-8m/-8 = -16/-8

m=2

Step-by-step explanation:

Let the amount of money Andre has be $A.

Spending $10 on a book = A - 10

If you like to venture further, feel free to check out my insta (learntionary). I'll be constantly posting math tips and notes! Thanks!

Answer:

5[tex]\sqrt{2}[/tex]

Step-by-step explanation:

Answer:

81

Step-by-step explanation:

A composite number is a number that can be divisible by more than 1.

81 can be divisible by 1 and 9.

-kiniwih426

Answer:

how you gonna go out in a pandemic?

Step-by-step explanation:

unless you're in a place where the virus was handled properly, the understandable, have a nice day.

and uhh

communication is key to a healthy relationship

Answer:

x>-2

Step-by-step explanation:

Answer:

[tex]x > - 2[/tex]

Step-by-step explanation:

hope u got it.

Answer:

A

Step-by-step explanation:

use both points to find the slope using the equation

y2-y1/x2-x1, so , -2-4/2-0 = -6/2 = -3. slope or m = -3

then the y int can be any y point, so either -2 or 4. in this case they used 4.

Answer:

-3

Step-by-step explanation:

h(k(2)) = h(k(x=2)) = h(-2) = h(x= -2)= 3/( -2+1) = 3/-1= -3

Answer:

-3

Step-by-step explanation:

Sorry if I'm wrong.