Mathematics High School

Jaylen and six of her younger siblings have ages that are consecutive. When they moved from San Francisco to Chicago, their ages (all seven of them) added up to 91. How old was Jaylen when they moved? Explain your thinking.

Answers

Answer 1

Answer:

Jaylen was 16 years old. She's the oldest.

Step-by-step explanation:

16  Jaylen

15  sibling 1

14  sibling 2

13  sibling 3

12 sibling 4

11  sibling 5

10  sibling 6

____________

91  Total

My thinking was that I started out dividing 91 by 7. That came out 13. So I knew the oldest one had to be older than 13.

Related Questions

X-20=62 please Help thanks

Answers

Answer:

x = 85

Step-by-step explanation:

x - 20 = 62

add the 20 on both sides                          x - 20 = 62

                                                                        +20    +20

add 62+20 to get 85                                  x =  85

A coach needs to choose two players from the
hockey team to be captain and assistant
captain. If there are 20 players on the team,
how many ways he can assign the two roles?
A. 100
B. 190
C. 380
D. 450

Answers

Answer:

380

Step-by-step explanation:

Find the solution of the system of equations.
10x-2y=44
-2x-9y=10

Answers

Answer:

x = 4 y = -2

Step-by-step explanation:

10x - 2y = 44

-10x -45y = 50

-47y = 94

y = -2

-2x -9(-2) = 10

-2x + 18 = 10

-2x = -8

x = 4

4. What is the distance, in units, between the points (11, -7)
and (2, -7) on a coordinate plane?
M. 13
P. 9
R. 5
S. O

Answers

i pretty sure that the answer it R.5

HELP! Write an equation of a line that is parallel to y=-2x+3

Answers

Answer:

y = -2x

Step-by-step explanation:

If two lines are parallel to each other, they have the same slope.

The first line is y = -2x + 3. Its slope is -2. A line parallel to this one will also have a slope of -2.

Plug this value (-2) into your standard point-slope equation of y = mx + b.

y = -2x + b

This question only asks for a line parallel to y = -2x + 3.

This means we can plug in any number (except 3) for b. We cannot plug in 3 because then it will be the same equation!

To make things simple, we can use 0 and therefore leave it out.

y = -2x

This line is parallel to y = -2x + 3.

Hope this helps!

HELP PLEASE 15 POINTS

Answers

Here is the answer

So as the triangle is congruent their sides angle all are same so the remaining angle in figure 2 (angle P) is 70

MARK ME :)

I'll mark you brainliest if you help me with my previous math questions.​

Answers

Answer:

ok

Step-by-step explanation:

GIVING BRAINLIEST AND THE REST OF MY POINTS, PLS HELP!!!! :((

Answers

Answer:

The correct line plot is choice C.

Step-by-step explanation:

If you look at the data values, you'll notice that there are three [tex]11\frac{1}{4}[/tex], and the only line plot that depicts this is choice C, so that is the correct answer.

2x - 42 = 94

Solve for x

Answers

Answer:

x = 68

Step-by-step explanation:

2x - 42 = 94

Use inverse operations to add 42 to both sides of the equation.

2x - 42 + 42 = 94 + 42

Simplify this to-

2x = 136

Now divide 2x and 136 by two for-

2x/2 = 136/2

Simplify.

x = 68

The answer, then, is x = 68.

I hope this helps ^^

Good luck :]

Solve each:
1.
2.
3.

Answers

I’m not sure I’m looking for it on the internet

Answer:

1. cube root of 8 = 2

2. square root of 16 is 4

3. cube root of (-8) is (-2)

#11
Please help ASAP

Extra 500 points and brainliest

Answers

number 4 since it is cut in half everytime , its negative tho

5+5?????????????????????????????????????????/

Answers

Answer:

Hello There!!

Step-by-step explanation:

Here is your answer:5+5 eqauls 10.

hope this helps,have a great day!!

~Pinky~

Please help, Been stuck for 20 minutes on this problem.

Answers

I solved for
this problem, hope it helps !

You randomly choose a marble form a jar.The jar contains 4 red marbles , 10 blue marbles , 7 green marbles , and 6 yellow marbles.Find the probability of the event.

Choosing a green marble.

Answers

The probability is 7/27
Because you add all the marbles to find the total 10+7+6+4=27
And like its asking for green and there are 7 out of 27

Could someone help me

Answers

9.85

Hope this Helps!

Find the slope and Y-intercept, then graph
X - 3y = 9

Answers

Answer:

y≈ 1/3x -3

y intercept (0,-3)

Step-by-step explanation:

Michael breeds chickens and ducks.

Last month, he sold 50 chickens and 30 ducks for $550. This month, he sold 44 chickens and 36 ducks for $532.
How much does a chicken cost, and how much does a duck cost?
A chicken costs $_____ and a duck costs $_____.

Answers

Answer:

Chicken:$8   Ducks:$5

Step-by-step explanation:

Let's assume

Chickens= c

Ducks=d

50c + 30d = 550 (divide this by 10)--- 5c+3d=55

44c + 36d = 532 (divide this by 4)--- 11c+9d=133

Solving simultaneously:

5c + 3d = 55 (x9)

11c + 9d = 133 (x3)

45c + 27d = 495

33c + 27d = 399

By subtraction we get:

(45c-33c+27d-27d)= 96

12c = 96

Chicken = $ 8 (96/12)

Ducks: 50(8)+ 30d = 550

30d = 150

Ducks = $5 (150/30)

A garden center has 150 fruit trees to sell.
1/10 of the trees are lemon trees.
2/5 of the trees are orange trees.
1/3 of the trees are peach trees.
The rest are pear trees.
How many trees are pear trees?

Answers

Step-by-step explanation:

Take pear trees be X

1/10+2/5+1/3+x=150 (Take LCM of 10,5,3=30)

3/30+12/30+10/30+30x/30= 150

25/30+30x/30=150

25+x=150/30

X=5-25=-20 are pear trees

hope it helps

1/10 of 150 is 15. 2/5 is 60. 1/3 is 50. All together that is 125 leaving is with 25 pear trees.

The velocity-time graph of a vehicle is shown below. Determine the displacement of the vehicle between the interval t = 0 s to 2 s.
A) 5 m
B) 10 m
C) 15 m
D) 20 m

Answers

here the slope of the graph is straight, that means velocity is uniform

the correct answer is option B. 10m

If the nth term of a sequence is
4n + 3 what is the 6th term?​

Answers

Answer:

27 is the answer to the question

Step-by-step explanation:

4(6)+3=24+3=27

Find the equation to the line below.

Answers

Answer:

y=3/2x +2

Step-by-step explanation:

Rise/run + y-intercept

Answer:

y=3/2x+2

Step-by-step explanation:

By using slope intercept format, which is y=mx+b, you can get the answer.

please help asap:)))

Answers

Answer:

Step-by-step explanation:

Yes, We can find the cost of one admission to the water park,

We can form two linear equation with two variables and by solving the equation we can determine the cost of one admission.

Cost of 15 people's admission and 8 rental tube  is $ 263.25

15x  + 8y = 263.25  -------------(I)

Cost of 20 people's admission and 13 rental tubes is $ 358

20x + 13y = 358  ------------(II)

(I) * 13        195x + 104y = 3422.25

(II)*(-8)     -160x - 104y  = - 2864   {Now add and so y will be eliminated}

                35x               = 558.25

                                  x = 558.25/35

x = 15.95

Cost of one admission = $ 15.95

Please help!!! I am being timed!!
Brainiest if corrected!!!

Answers

The third option is right because we plug in 1 for x

Answer:

D

Step-by-step explanation:

The starting number is 3

And they bring in 1 member each month

That can be shown with the last equation

Good luck!

Find the length of AC, correct to 2 decimal places.

Answers

Hello!

This is a question relating trigonometry to unknown sides.

Here we can use the law of sines, which state that if a triangle is a right triangle, the ratio between a side and the sin of its opposite angle will be equal to any other ratio of the same type.

This means that we can set up this equation.

[tex]\frac{17}{sin(90)}=\frac{AC}{sin(38)}[/tex]

[tex]AC=17sin(38)[/tex]

Be sure to be on degrees if you're on a calculator.

[tex]AC=10.47[/tex]

Hope this helps!

What are the solutions to the equation?

x=-6 and x= -2/3

x=-6 and x=2/3

x=6 and x=2/3

Answers

Answer:A

I just took assignment on edge.

Answer: x=-6 and x= -2/3

multiple choice pls help!
(Links = report )

Answers

Answer:

120 in² hope it helped lol

HELPPPPPPPPPPPPPP!!!!!!!!!!!!!!!!!

Answers

the answer is A : m=-1

Answer:

C

Step-by-step explanation:

Factorise fully 12x³ - 30x²​

Answers

Answer:

6x² (2x - 5)

Step-by-step explanation:

12x³ - 30x²

= 6x² (2x - 5)

A right triangle has one leg with a length of 1 inch. In addition, the length of the hypotenuse is 1.5 times greater than the length of the other leg. Determine the measurements of the acute angles in the right triangle.

Answers

Answer:

25.5 inches is the correct answer

Answer: 25.5 inches

LOOKS EASY !! NO FILES/LINKS THX

Answers

Answer:

16

Step-by-step explanation:

Comment if you want explanation

Answer: C. 16

Step-by-step explanation: multiply 12 and 16 to get 192. then subtract 192 to 6 to get 186.

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