Mathematics High School

1 Expand and simplify each expression
a) 4(x+6)

Answers

Answer 1
Answer:
4x + 24

Explanation:
4 * x = 4x
4 x 6 = 24
Answer 2

Answer:

4x+24

Step-by-step explanation:

4(x+6)

4Xx=4x

4x6=24

4x+24

Related Questions

Find the domain and range of the relation.
{(-2, 3) (1, 2) (0, -1) (3, 1)}

Answers

domain: -2, 1, 0, 3,
range: 3, 2, -1, 1

PROBABILTIES 20 POINTS!!!!

Answers

Answer:

WHat do you want me to slove?

Step-by-step explanation:

Answer:

u only gave 10

Step-by-step explanation:

Sarah earned a grade of 80% on the math exam that had 75 problems. How many correct problems did Sara answer?​

Answers

Answer:

60

Step-by-step explanation:

80/100 times 75 and you will get 60

What is the value of x in the circle on the right?

The value of x is what cm.
(Round to the nearest tenth as needed)​

Answers

Answer:

2.1

Step-by-step explanation:

Find the number in the tenth place 1 and look one place to the right for the rounding digit 4. Round up if this number is greater than or equal to 5 and round down if it is less than 5.

28 students picked pizza the the 12 students picked the burgers what percentage of the students picked the pizza

Answers

Answer:

yo give me a sec i got you

Step-by-step explanation:

So 28 out of 40 students picked pizza.

The percentage is (28/40)*100 = 70%

You put $1000 in a savings account. The account earns 5% simple interest per year. How many years will the money need to remain in the savings account in order to earn $200 in interest?

Answers

Answer:

Im not sure but i think it is 30.

Step-by-step explanation:


Answer = 28years


After 28 years you’re principal would be $4,032 and 5% of that would be about 200$

Generally, the more someone exercises the less they will weigh (while also maintaining a proper diet). John recorded the number of calories he burned and his weight each week. Using a regression model, how much would you expect John to weigh at the end of week 8? (Round your answer to the nearest tenth.)
Need help on the problem and confused on whether or not to use two regression functions.

Answers

Answer:

on week 8 he will weight 208 lbs

Step-by-step explanation:

i dont know I guessed and got it right

John weigh 217.7 lbs at the end of 8 week.

What is Regression line?

An estimate of the line that depicts the actual, but unidentified, linear relationship between the two variables is called a regression line. When the value of the explanatory variable is known, the regression line's equation is used to predict (or estimate) the value of the response variable.

Given:

Using the regression model

In II nd week the calories is 2950 and weight 250.

and, Vth week the calories is 7400 and weight 216.

let Exercise be x and the weight is y then

= (216 - 250)/ (7400- 2950)

= -9/ 4450

So, at the start of week john weight

y= -9/ 4500 x + 230

Now, At the end of 8 week John weighs

= -9/4500 (6100) + 230

= 217.7

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Great freight a local shipping company charges .40 per pound for shipping if your shipping 20 pounds what would the cost be

Answers

Answer:

$8.00

Step-by-step explanation:

For every pound shipped, $0.40 is charged. This can be represented by the mathematical equation: y=0.4x, where x is the pounds to ship and y is the total cost. If we plug in 20 as x to find what the total cost would be, we would have the equation, y=0.4*20, and y would equal 8, meaning that the total cost is $8.00.

6 over square root 3

Answers

I think its 3.46410161514

Sorry if im wrong :)
3.46410161514 i calculated it and that’s what I got uhhhh

PLEASE HELP MEEE due in 2 minutes

Answers

Answer:

2/7

Step-by-step explanation:

because 14 can be reduced to 7and 4 can be reduced to 2

Answer: (C) 2/7

Step-by-step explanation: 2/7 is the same as 4/14

Chord AC intersects chord BD at point P in circle Z. AP=12 m DP=5 m PC=6 m What is BP?

Answers

Answer:

BP = 14.4

Step-by-step explanation:

Given 2 chords intersecting inside a circle, then

The products of the measures of the parts of one chord is equal to the product of the measures of the parts of the other chord, that is

BP × DP = AP × PC , that is

BP × 5 = 12 × 6

5BP = 72 ( divide both sides by 5 )

BP = 14.4

round 0.0564 to 1 significant figure​

Answers

Answer:

0.1

Step-by-step explanation:

anything after the decimal (.) becomes a sogfig

Answer: .05 hope this helps (:

The side of a box has length x feet, and another side has length (x-7) feet. What value of a would produce an area of 18 square feet?

Answers

Answer:

x=9

Step-by-step explanation:

(9-7) = 2

9 times 2 = 18 square feet

Value of x is 9 , -2

Given that;

Length of box = x feet

Width of box = (x - 7) feet

Area of box = 18 square feet

Find:

Value of x

Computation:

Area of rectangle = Length × Width

Area of rectangular box = x × (x - 7)

x² - 7x = 18

x² - 7x - 18 = 0

Using factorisation;

x² - 7x - 18 = 0

x² - (9 - 2)x - 18 = 0

x² - 9x + 2x - 18 = 0

x(x - 9) + 2(x - 9) = 0

(x - 9)(x + 2) = 0

So,

x = 9,  x = -2

Learn more:

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Fill in the blanks HELPPP

Answers

tuesday: -28.5

Wednesday: -5

Thursday: -11.8

Friday: -4.5

i need help on this
i will give Brainliyest if u answer this Corretly (lie = report)

Answers

Answer:B

Step-by-step explanation:

please help me

Find the value of x using your knowledge of the relationship between interior and exterior angles.​

Answers

Answer:

x = 152.6

Step-by-step explanation:

180 - 27.4 there you go

Answer: 152.6

Step-by-step explanation:

Remember the interior and exterior angle add up to 180°.

180 - 27.4 = 152.6

Jordan signed a rental agreement for her new condo. Based on the contract, who is responsible for paying the gas, electric, and water bills? A. The owner B. The utility company C. Jordan D. Both the owner and Jordan​

Answers

Answer:

Jordan

Step-by-step explanation:

A man is 32 years older than his daughter and the product of their ages is 320..
(a) Find the ages of the man and the daughter.
(b) In how many years' time will the daughter's age be one- third of her father's age?





Pls help me

Answers

a) the man is 40 and the daughter is 8
b)in 8 years when the man is 48 and the daughter is 16

The age of the man is 40 years and that of his daughter is 8 years respectively.

How to solve a linear equation?

A linear equation can be solved by equating the LHS and RHS of the equation following some basic rules such as by adding or subtracting the same numbers on both sides and similarly, doing division and multiplication with the same numbers.

Suppose the age of man be x.

Then, age of his daughter is x - 32.

As per the question the following equation can be formed for the product of ages as ,

x(x - 32) = 320

⇒ x² - 32x - 320 = 0

⇒ x = 40, -8

Since, age of a person cannot be a negative value, it is taken as positive.

Thus, the age of daughter is 40 - 32 = 8

Hence, the age of the man and his daughter is obtained as 40 and 8 years respectively.

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Help please! I really need it! please dont guess if you dont know, dont answer.....( this is basic geometry im just dum'b) part 4

Answers

Answer:

m<2 = 120

Step-by-step explanation:

When two lines are parallel and are intersected by a transversal, same side exterior angles are supplementary, meaning that their angle measures add up to 180 degrees.

Using this, one can form the equation;

m<8 + m<2 = 180

Substitute,

60 + m<2 = 180

Inverse operations,

60 + m<2 = 180

-60              -60

m<2 = 120

Answer:

Step-by-step explanation:

Solution

<8 = 60 degrees.

<6 is <8s supplement

<6 + <6 = 180

60 + <6 = 180

<6 = 180 - 60

<6 = 120

<2 and <6 are corresponding angles and are therefore equal.

<2 = 120

What is theoretical probability of pulling a green marble out of the bag?

Answers

I believe the theoretical probability is 5/20. Or 25%.

michelle says that 4,902 x 0.001 is the same as 4,902 ÷ 10³

Answers

Answer:

Michelle is correct.

Step-by-step explanation:

The statement Michelle said is valid and correct since 10 to the power of 3 in the denominator is equivalent to 0.001 in the numerator.

Dividing by 1,000 is the same as multiplying by 0.001.

Describe what is being done in each step while solving the equation. Match each step with the correct description. HINT: Start with “Original Equation” as the first step.

Answers

1. Original equation
2.Distributive property
3. Add 6x to each side
4. Subtract 2 from each side
5. Divide each side by 11

please help me i need help

Answers

Answer:

21/8 cups of vegetables per cup of cheese

5) At one store, a 2-liter bottle of soda costs $2.12. At another store, a 3-liter bottle
costs $3.15. Which bottle is a better deal?

Answers

Answer:

3 liter

Step-by-step explanation:

you will save $0.01

2.12/2 = 1.06

3.15/3= 1.05

Answer:

The 3-liter bottle is a better deal.

Step-by-step explanation:

The price of each liter for the 2 liter bottle is $1.06, while the price per liter for the 3-liter bottle is $1.05

Jonathan is driving back home from a business trip and covers 400 miles in 5 hours. What is his car average speed in miles per hour?

Answers

Answer:

80

Step-by-step explanation:

Miles/Hours

400miles/5hours=80mph

14
Ajit is a barber
He charges £5 for a haircut.
He charges 10% extra for hair gel.
One day 52 customers have a haircut.
16 of these ask for hair gel.
Work out the total amount that Ajit charges his customers that day.

Answers

Answer:

y11_maths_foundation_mock_apr18_paper1_answers.pdf

Step-by-step explanation:

use it to get answer

Thomas decides on a destination for his vacation. If he takes the train there, it will take 5 1/8 hours to get there. If he takes the plane, it will take him 2 2/3 hours

Answers

Answer: 2 11/24

Step-by-step explanation:

How many hours does the plane save?

Time taken for the train = 5 1/8

Time taken for the plane = 2 2/3

The number of hours saved will then be:

= 5 1/8 - 2 2/3

Let the lowest common multiple be 24

= 5 3/24 - 2 16/24

= 2 11/24

The number of hours saved by the plane will be 2 11/24

Each square is one square unit. Sienna uses the same square units to draw a 6 x 2 rectangle and says that it has the same area as the 3 x 4 rectangle. Is she correct?

Answers

Answer:

Yes, Sienna is correct because 6 times 2 is 12 and 3 times 4 is 12.

PLEASE HELP ME SOMEONE UGH I HATE WORK IM SO BAD :(

Answers

Answer:

X=19/3

Step-by-step explanation:

3x=14+5

3x=19

X=19/3

and I feel you hegarty can be a pain in the a.ss

Answer:

see the answer above by picture. i think i helped mark me as brainlist plz

(-7x3 + 15x - 71) ÷ (x - 3)

Answers

Answer:

I dont know this

Step-by-step explanation:

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