Mathematics High School

The following are the ages (years) of 5 people in a room:
23, 14, 16, 21, 22
A person enters the room.
The mean age of the 6 people is now 24.
What is the age of the person who entered the room?
years

Answers

Answer 1
Answer - 48

We know that the new mean, divided by 6, must be 24. That means you have to multiply 24 by 6 to get 144. From 144, subtract the total age of the 5 people before (so 144 - 96). This gives the age of the new person, 48.

Related Questions

2. P= 60 in. Find the length of each side.
2y + 1
|3y+5


HELP

Answers

Answer:

c

Step-by-step explanation:

Please see the attached picture for the full solution.

4. Write any number to make the statement is
true?


Answers

Answer:

124<369

Step-by-step explanation:


I need help with this
​

Answers

The display got this answer because you forgot to put the decimal point on 42.8 and typed in 428 instead this is why the display shows the wrong answer. You can estimate the answer by seeing the numbers are really low and the answer can’t be that big.

Solve: −2c + 6 = 10

Answers

Answer: c = -2

Explanation:

-2c + 6 = 10
-2c = 10 - 6
-2c = 4
c = 4/-2
c = -2

Answer:

i believe your answer will be C=-2

Step-by-step explanation:

the equation is -2c + 6 = 10. to solve this youll need to subtract 6 from both sides.

-2c +6 =10

-6 -6

which will now leave you with -2c = 4. then you will divide -2 from both sides. -2/-2 =0 and 4/-2 = -2. so your answer is C=-2

Hope this helps :)

What is the y-intercept of the line graphed on the grid?

Answers

Answer:

it is -4 because it is where the line touches the graph

Answer:

Looks like it could be -3.5

Step-by-step explanation:

The y-intercept is the point where the line crosses the y-axis.

Answer questions (a – f) based on the following graph.

Answers

maybe give the questions?

Answer:

Step-by-step explanation:

all i can say is number one is y=3

for the rest of em. ur on ur own bud

Answer the equation below−9x−2=14x

Answers

Answer:

x=-2/23

Step-by-step explanation:

add 9 to 14(get 23)

divide by 23

See attachment for math work and answer.

Lisa runs between 5 and 7 miles per day. It takes Lisa 10 minutes to run one mile. What is a reasonable amount of time that Lisa
spends running every day?

Answers

Answer:

50-70 minutes

Step-by-step explanation:

help ;-;........ ;v;

Answers

Answer:

$163

Step-by-step explanation:

Bob worked 26 hours and earn $7 per hour. Multiply 26 with 7:

26 x 7 = 182

Bob made a total of $182 last month.

Bob then spent $19. Subtract 19 from the total earned:

182 - 19 = 163

Bob has $163 left.

~

Answer:

He has $163 dollars left

Step-by-step explanation:

Because first we needed to find out how much did he make in 26 hours, 29 (hours) x $7 (per hour) = $182

Then he spent $19, $182 (how much he made in 26 hours) - $19 (how much he spent) = $163

pls help.Solve it pls​

Answers

Answer: do i solve for a or sum?

Step-by-step explanation:

Name the shapes based on the descriptions.
1) Opposite sides are congruent and diagonals are not congruent.
2) Opposite sides are congruent and diagonals are congruent.
3) All four sides are congruent and diagonals are not congruent.
4) All four sides are congruent and diagonals are congruent.

Answers

Answer:

circle

Step-by-step explanation:

Answer:

1) Parallelogram

2) Rectangle

3) Rhombus

4) Square

The inequality below is equivalent to which of the following

7-(2/3)x 9

A.x>9

B.X>-35

C.x<9

D.x<-35

Answers

Your answer will be C. :)

4. For a function that models a real-world situation, the dependent variable
y represents a person's height. What is a reasonable range? Explain.
HURRY!!!! ASAP!!!!

Answers

Answer:

Age

Step-by-step explanation:

Typically the older you get, the taller you grow

( -4 ) 3÷( -4 ) -12 ​

Answers

Answer:

(-4)3/(-4)-12

-12/48

-1/4

Step-by-step explanation:

PEMDAS

do multiplication then division

Solve the inequality: -6n - 12 >= 3(-n + 12)

Answers

Answer:

-16 > n or n < -16

Step-by-step explanation:

First, we can write the inequality and distribute.

-6n-12 > 3(-n+12)

-6n-12 > -3n+36

Get rid of a variable first (it makes solving a lot easier). We can add 6n to both sides.

-6n-12 > -3n+36

+6n          +6n

-12 > 3n+36

Now, we can subtract 36 on both sides.

-12 > 3n+36

-36         -36

-48 > 3n

Divide by 3 on both sides.

-48 > 3n

/3       /3

-16 > n or (if it's easier) n < -16

Hope this helps!! Have a wonderful day C:

4. Z BAD is bisected by AC. What is the value of x? (3pts)
Please see directions on how to paste
parts of your work
B
C
(-4x + 42)
(64 - 6x)
А
D
someone help!! solve for x!!

Answers

(-4x + 42) = (64 - 6x)
-4x + 42 = 64 - 6x
+6x on both sides
2x + 42 = 64
-42 on both sides
2x = 22
/2 on both sides
x = 11

Answer:
x = 11

Is this a function, Explain.

Answers

No this is not a function

On a coordinate plane, a straight line and a parallelogram are shown. The straight line has a negative slope and has a formula of y = negative x. The parallelogram has points G (negative 2, negative 3), F (1, negative 3), E (negative 1, negative 5), and H (2, negative 5).
What are the coordinates of the image of vertex F after a reflection across the line y = –x?

(–1, –3)
(3, –1)
(1, 3)
(–3, 1)

Answers

Answer:

B. (3, -1)

Step-by-step explanation: I got a 100 on the test

The rule for a reflection across line y = -x: (x, y) → (-y, -x)

F(1, -3) → F'(3, -1)

The answer would be option B (3, –1).

What is Parallelogram?

A parallelogram defined as a special type of quadrilateral which has both pairs of opposite sides parallel and equal.

Coordinates of the vertices of a parallelogram are,

E(-3, -5), F(1, -3), H(2, -5), G(-2, -3)

Equation of a line about which this parallelogram was reflected is, y = -x

The rule for a reflection across line y = -x: (x, y) → (-y, -x)

That means when a point (x, y) is reflected across the line y = x, we find a new point (-y, -x)

By this rule new point by reflecting point F will be,

F(1, -3) → F'(3, -1)

Therefore, Option (B) will be the answer.

Learn more about parallelogram here:

brainly.com/question/11220936

#SPJ5

In the triangular prism shown below, which lines are intersecting? Select all that apply.

Answers

Answer:

It’s HK and GH because that’s the only pair that are perpendicular

Step-by-step explanation:

Hk gh there the only ones that are perpendicular hope this helps

Do you know what the easiest question there is

Answers

Answer:ehm.. no

Step-by-step explanation:

Answer:

1 + 1 = 2

Step-by-step explanation:

Given: K is between H and J, HK = 2x − 5, KJ = 3x + 4, and HJ = 24. What is the value of x?

Answers

Answer: x = 5

Step-by-step explanation:

help needed please:)​

Answers

Answer:

I'll help with whatever it is.

Step-by-step explanation:

I'll try my best, just let me know.

I need to solve for c
3b +ac=c-4

Answers

Answer:

The answer is

c=-4+3b/a-1

plz plz plz plz plz help WITH EXPLANATION PLZ :(

Answers

Answer:

-13/9 = x

Step-by-step explanation:

8/9 = x + 1/3(7)

~Simplify right side

8/9 = x + 7/3

~Subtract 7/3 to both sides

-13/9 = x

Best of Luck!

x= -13/9

1/3(7) = 1/3 x 7

1/3(7) = 7/3 = 2 1/3

Select all the quadratic expressions in vertex form

Answers

was there supposed to be a pic or u gon give the equations to chose from??

FInd the GCF of the numbers using prime factorizations.
24,90
52,68
32,56,96
Also find the GCF of 28,48, 64

Answers

Answer:

GCF(330, 75, 450, 225) = 15

Steps:

Prime factorization of the numbers:

330 = 2 × 3 × 5 × 11

75 = 3 × 5 × 5

450 = 2 × 3 × 3 × 5 × 5

225 = 3 × 3 × 5 × 5

GCF(330, 75, 450, 225)

= 3 × 5

= 15

if 4x plus 7 equals 18, what is the value of 12x plus 21

Answers

Answer:    54

--------------------

pls answer!! it's only one question

Answers

Answer:

96

Step-by-step explanation:

Because If you add all of the numbers together you will get 96.

Answer:

467 cm²

Step-by-step explanation:

First off, cut the shape so its in 3 rectangles so you can find the area. Then, however much you cut off of that side you'll subtract from the original length of that side. Then, you'll multiply the lengths of the sides together for all of them and then add.

Alonso went to the market with $55 to buy eggs and sugar. He knows he needs a package of 12 eggs that costs
$2.75. After getting the eggs, he wants to buy as much sugar as he can with his remaining money. The sugar he
likes comes in boxes that each cost $11.50.
Let S represent the number of boxes of sugar Alonso buys.
1) Which inequality describes this scenario?
Choose 1 answer:
2.75 + S < 55
2.75 +S > 55
2.75 + 11.50S < 55
(D
2.75 + 11.50S > 55

Answers

Answer:

2.75 + 11.50S < 55

Step-by-step explanation:

eggs + (sugar(quantity)) must be less than available money

2.75 + 11.50S < 55

A submarine is submerged in the sea at a depth of -560 meters. If the submarine ascends at a rate of 18 meters per minutes , how many minutes will it take the submarine to reach a depth of -272 meters

Answers

Answer:

16 minutes

Step-by-step explanation:

560 - 272 = 288

Divide 288 by 18

16

So the answer is 16

I hope you get it right :)

(I think)

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