Mathematics High School

help pls thanks huys

Help Pls Thanks Huys

Answers

Answer 1

Answer:

12

Step-by-step explanation:

Let the unknown number be x.

8 = -4(1) + x

8 = -4 + x

x - 4 = 8

x = 8 + 4

x = 12

Answer 2

Answer:

[tex]a_{n}[/tex] = - 4n + 12

Step-by-step explanation:

The n th term of an arithmetic sequence is

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 8 and d = a₂ - a₁ = 4 - 8 = - 4 , then

[tex]a_{n}[/tex] = 8 - 4(n - 1) = 8 - 4n + 4 = - 4n + 12

Related Questions

Can help with this please,
A phone shop sells iPhones and Samsung phones in a ratio of 7:5.
Last week the shop sold 42 iPhones.

How many Samsung phones did it sell?

Answers

Answer:

30

Step-by-step explanation:

Given the ratio 7 : 5

The 42 iPhones sold relates to the 7 part of the ratio.

Divide 42 by 7 to find the value of one part of the ratio.

42 ÷ 7 = 6 ← value of 1 part of the ratio, thus

5 parts = 5 × 6 = 30 ← number of Samsung phones sold

Answer:
They sold 30 Samsung’s

Step-by-step:explanation:
If they sold 42 iPhones then skip count 7,14,21,28,35,42 and as you can see we skipped count 6 times so then just do 5 times 6 which will give u 30

Hope this helps!!

A recipe needs 3/4 cup of water for every 2 cups of flour. If you plan to use 6 cups of flour, how much water will you need?

Answers

Answer:

2 1/4 cups

Step-by-step explanation:

3/4 times 3 2.1/4

Answer:

2 1/4

Step-by-step explanation:

Which table shows y as a function of x

Answers

the answer should be C :) in order for there to be a function, first rule is the x number cannot repeat

Team Z can do the work in 26 days, and working together Team Z and Y can do the same work in 14 days. How many days would it take for Y alone to do the work? Round your answer to the nearest whole number.

Answers

Answer:

30 days

Step-by-step explanation:

The above question is solved as shown below:

Working together Team Z and Y can do the same work in 14 days.

1/Team Y + 1/Team Z = 1/14 days

Team Z can do the work in 26 days,

Hence:

1/Team Y + 1/26 days = 1 /14 days

= 1/ Team Y + 1/26 = 1/14

1/Team Y = 1/14 - 1/26

The Lowest Common Denominator = 182

Hence:

1/Team Y = 13 - 7/182

1/Team Y = 6/182

Cross Multiply

Team Y × 6 = 1 × 182

Team Y = 182/6

Team Y = 30.33 days

Approximately to the nearest whole number = 30 days

Therefore, Team Y alone can do the job in 30 days

Jenny, Keith, and Joanna participated in a mini-
marathon. At the end of the marathon, Keith ran 3 miles
more than Jenny. Joanna ran two times more miles
than Keith. The three runners covered a total distance
of 16 miles. How many miles did each person run?
M

Answers

Answer:

Jenny 1.75 miles, Keith 4.75 miles, Jonna 9.5 miles

Step-by-step explanation:

Distance per person:

Jenny - x, Keith - y, Joanna - z

Equation as per given:

y = x + 3z = 2y = 2(x + 3)x + y + z = 16

Substitute and solve for x:

x + (x + 3) + 2(x + 3) = 162x + 3 + 2x + 6 = 164x = 7x = 7/4 = 1.75

Then

y = 1.75 + 3 = 4.75z = 4.75*2 = 9.5

4. Which of the following differences could not give a distance between two points on a number line? Explain why. a. 19-7 c. -12-(-7) b. -3 - (-18) d. 14-(-6)​

Answers

-12 -(-7) could not be a distance.

Distance:

Distance traveled is the total length of the path traveled between two positions. It can either be a 0 or a positive number that's mean it can never be a negative number.

So from the above-given statement we have

a) 19-7 = 12 (which is positive number)

b) -12 - (-7) = -12 + 7 = -5 ( which is a negative number)

c) -3-(-18) = -3 + 18 = 15 ( which is a positive number)

d) 14-(-6) = 14 + 6 = 20 ( which is a positive number)

Therefore option b i.e., -12 - (-7) cannot be a distance between two points on a number line.

To know more about the distance refer to the link given below:

https://brainly.com/question/17273444

#SPJ9

Add 9¢ to $3.48. Include the dollar sign and no spaces in your answer.

Answers

Answer:$

$3.97

Step-by-step explanation:

Answer:

$3.48+9¢=$3.57

Step-by-step explanation:

i added 48 cents to 9 cents

4x + 2(2x – 5) – (3 – 5x).

Answers

Answer:

=13x−13

Step-by-step explanation:

Its 13x-13 hope this helped!!

would this be real or imaginary?

Answers

Real, there is no decimal

PLSS HELP WITH NUMBER 6

Answers

100oz=6.25 lb hope this helps!

Answer: 100oz=6.25 lb

Step-by-step explanation:

Question in photo too lazy to solve lol​

Answers

The value of 3centimeters to kilometers is 0,00003 km

Converting centimeters to meters

In order to convert centimeters to kilometers, we will use the conversion factor below.

100cm = 1m

1000m = 1km

Given 3cm

3cm = 3/100 m

3cm = 0.03m

Convert to km

Since 1000m = 1km

0.03m = 0.03/1000

0.03m = 0.00003km

Therefore the value of 3centimeters to kilometers is 0,00003 km

Learn more on cm to km here: https://brainly.com/question/1549097

#SPJ1

The math teacher gives each student a map of the amusement park that uses a coordinate plane. The meeting location is at (0, 0) on the map. Each unit is 100 feet. The first ride that you want to try is located at the coordinates (0, 4). The next ride is located at (3, 0). If you walked in a straight line from the first ride to the second ride, how many feet would you travel?

Answers

Answer:

500 ft

Step-by-step explanation:

use this formula

The actual distance between first and second ride is 500 ft.

What is Distance Formula?

The distance between two point P(a, b) and Q(c, d).

so, the distance PQ = √(c-a)² + (d- b)²

Given:

Starting point = (0,0)

First ride = (0,4)

Second ride = (3,0)

In map, each unit = 100 ft

Using the distance formula

d =  √( 3-0)² + (0-4)²

d = √9+ 16

d= √25

d = 5 units

So, the distance between first ride and second ride in the map is 5 units.

and,1 units  = 100 ft

5 units = 500 ft

Hence, the actual distance between first and second ride is 500 ft.

Learn more about distance formula here:

https://brainly.com/question/28956738

#SPJ6

Perry's school is selling tickets to a choral performance. On the first day of ticket sales the school sold 12 adult tickets and 7 child tickets for a total of $57. The school took in $63 on the second day by selling 7 adult tickets and 14 child tickets. What is the price of one adult ticket and one child ticket?

Answers

Answer:

$6

Step-by-step explanation:

Answer:

both cost 3 dollars

Step-by-step explanation:

x=adult ticket

y=child ticket

12x+7y=57

7x+14y=63

24x+14y=114

-7x-14y=-63

17x=51

x=3

7(3)+14y=63

21+14y=63

14y=42

y=3

PLEASE HELP!!!! THIS IS MY LAST QUESTION!!!WILL GIVE BRAIN}!!!

Answers

Answer:

x^2+7

Step-by-step explanation:

solve all for brainliest

Answers

hope this helps!!!!!

18/44 simplified tysm

Answers

Answer:

9/27

Step-by-step explanation:

18/44=9/22

THIS IS AMSWER

Answer:

18/44 simplified is 9/22.

Step-by-step explanation:

Since both of these numbers can be divided evenly by 2, then we can divide them by 2.

18 ÷ 2 = 9

44 ÷ 2 = 22

Since 9 and 22 don't have any like factors, the simplified fraction is 9/22.

Hope this helps! :D

What is the area of a circle if the diameter is 27?

Answers

Answer:

Step-by-step explanation

A = (3.14)(r^2)

r^2 = (1/2 d) = 13.5^2 = 182.25

A = 3.14 x 182.25 = 572.265 unit sq.

Jamal uses the steps below to solve the equation 6x – 4 = 8. Step 1: 6x – 4 + 4 = 8 + 4 Step 2: 6x + 0 = 12 Step 3: 6x = 12 Step 4: StartFraction 6 x Over 6 EndFraction = StartFraction 12 Over 6 EndFraction Step 5: 1x = 2 Step 6: x = 2 Which property justifies Step 3 of his work? the addition property of equality the identity property of addition the multiplication property of equality the identity property of multiplication

Answers

Answer:

The identity property of addition

Step-by-step explanation:

Jamal uses the steps below to solve the equation 6x – 4 = 8.

Step 1: 6x – 4 + 4 = 8 + 4( Addition step of equality)

Step 2: 6x + 0 = 12

Step 3: 6x = 12 (Identity property of Addition)

Step 4: StartFraction 6 x Over 6 EndFraction = StartFraction 12 Over 6 EndFraction

Step 5: 1x = 2

Step 6: x = 2

The that property justifies Step 3 of his work is known as the identity property of addition.

The identity property of addition can be defined as  when a given number x is added to zero, the result is we obtained x which is the given number itself.

Answer:

B) the identity property of addition

Step-by-step explanation:

EDGE 2020

which equation represents the graph​

Answers

aaanswer : D) y=2x

4 (x-2) = 4x+10
What is the answer

Answers

Answer:

Step-by-step explanation:

Answer:

No solution

Step-by-step explanation:

4x - 8 = 4x + 10 (subtract 4x on both sides)

-8 = 10

The answer is -8 = 10 No solution

Hope this helps ya!!

what would be the best first step to solve this
(4x-9x)(12+8x)=9(4x)

Answers

Answer:

open the brackets is the first step

Step-by-step explanation:

4x(12 + 8x) -9x( 12+8x) = 36x

48x + 32x^2 -108x -72x^2 =36x

32x^2 - 72^2 + 48x - 36x - 108x = 0

-40x^2 -96x = 0

find x using quadratic formular

I got a question ????​

Answers

Answer: y=5.6


Steps:

41-13= 28

28 divided by 5 = 5.6

Answer:

it is 5.6 in the blocks

Step-by-step explanation:

41 - 13 = 28

28 divided by 5 is 5.6

hope this helps!

Write an equation in point-slope form of the line that passes through the point (1, 6) and has a slope of −1/2

Answers

Answer:

y-6 = -1/2 * (x-1)

Step-by-step explanation:

Point slope form is y - y1 = m(x - x1), where (x1, y1) is the point and m is the slope. Plug in (1,6) for (x1, y1) and -1/2 for m.

Hey step brroooooooo

PLEASE HELP FAST!
Solve for X
3x + 4y = -16
X = 4y

Answers

Answer:

x = -4

Step-by-step explanation:

3x + 4y = -16

X = 4y

3(4y) +4y = -16

=> 12y + 4y = -16

=> 16y = -16

=> y = -1

3x + 4(-1) = -16

=> 3x -4 = -16

=> 3x = -12

=> x = -4

Hope this helps!      :3

plz mark as brainliest!

Answer: It is indeed -4.

Step-by-step explanation: Refer to the answer above me, they have everything exactly right.

what is 7+20 answer quick

Answers

Answer: 27

Step-by-step explanation:

Answer:

27

Step-by-step explanation:

Add 20+7

2 4/5 divided by 2 1/5 plz answer corectly ps this is mixed number ones

Answers

Answer:

The correct answer is 1.27.

Step-by-step explanation:

Step 1: Turn the mixed numbers into improper fractions.

2 4/5 = 14/5

2 1/5 = 11/5

Step 2: Turn the improper fractions into decimals.

14/5 = 2.8

11/5 = 2.2

Step 3: Divide the fractions.

2.8 ÷ 2.2 = 1.27 when rounded to the nearest hundred.

Hope this helps! :D

you
are studying bacteria; the
population originally started with 6000
bacteria. After
28,000 cells.
a.) Find the exponential model (equation)
2 hours,
tiere
were
Cells expected after 4
b.) How
many
hours?
* algebra 2*

Answers

Answer:

I think it's b I hope I help

Can someone help me pls

Answers

Answer:

63 in²

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Geometry

Area of a Triangle: A = 1/2bh

Step-by-step explanation:

Step 1: Define Variables

Base b = 14 in

Height h = 9 in

Step 2: Find Area A

Substitute [Area]:                   A = 1/2(14 in)(9 in)Multiply:                                  A = (7 in)(9 in)Multiply:                                  A = 63 in²

50 points- I'll LOVE YOU FOREVER if you can PLEASE help me with one question i need it really badddd. pls dont give wrong answers

What is the equation of a quadratic function that has a directrix of y=4 and a focus of (-2,-2)

Answers

Your answer is: (x +2)^2 = -12(y - 1)

Hope this helps, merry Christmas!!

24) IF area of quadrant of a circle is
38.5 sq.cm then diameter is *
O 7cm
O 14 cm
0 21 cm
O None of these

Answers

Answer:

none of these

Step-by-step explanation:

Other Questions
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