Mathematics High School

14) When simplified, -2(x + 1) - 4(x - 3) is equivalent to

Answers

Answer 1

Answer:

-6x+10

Step-by-step explanation:

-2(x + 1) - 4(x - 3)

Distribute

-2x-2 -4x+12

Combine like terms

-6x+10

Answer 2

Answer:

-6x +10

Step-by-step explanation:

First, open the parenthesis by multiplying the number outside to the terms inside:

-2(x+1) = -2x - 2

-4(x-3) = -4x + 12

then combine the like terms:

-2x - 4x + 12 - 2 = -6x + 10

Related Questions

What is the slope of a line with the equation of 2.5x+5y=20

Answers

I’m hoping this helps but the slop will be 25. If I’m wrong then I’m sorry but I got taught a different way on how to do it

The required slope of the given line is 2.5x+5y=20 m = 1/2

Given that,
To determine the slope of the line 2.5x+5y=20.

What is the slope of the line?

The slope of the line is a tangent angle made by line with horizontal. i.e. m =tanx where x in degrees.

here,
standard equation of the line,
y = mx + C
Transform the given equation into the equation of the line,
2.5x+5y=20
y = 1/2x + 8
When comparing the above equation with the standard equation of line,
m = 1/2

Thus, the required slope of the given line is 2.5x+5y=20 m = 1/2

Learn more about slopes here:
https://brainly.com/question/3605446

#SPJ5

Peter says if you subtract 16 from my number and multiply the difference by negative 5 the result is negative 50 what is peter's number?

Answers

Answer:

Below.

Step-by-step explanation:

If n is the required number:

(n - 16) * -5 = -50

-5n + 80 = -50

-5n = -50 - 80

-5n = -130

n = -130 / -5

n = 26 (answer).

What is the answer

Answers

Answer:

It's a im taking the same test lol

Step-by-step explanation:

need help with this math question

Answers

Answer:

please resend question

Step-by-step explanation:

PLEASE HELP! NEED IT NOW!
Calculate the circumference and area of a circle with the given measure. Use 3.14 for p.
a. radius = 3 cm
b. diameter = 4 ft

Answers

Answer:

Step-by-step explanation: 3cm i believe

Madelyn is 1.85 meters tall. At 12 noon, she measures the length of a tree's shadow to be 39.75 meters. She stands 34.9 meters away from the tree, so that the tip of her shadow meets the tip of the tree's shadow. Find the height of the tree to the nearest hundredth of a meter.

Answers

The relationship between her height and the tree's is an illustration of ratios and proportions

The height of the tree is approximately 2.11 meters

Her height is represented as:

[tex]\mathbf{h =1.85}[/tex]

At 12 noon, the length of the tree's shadow and her distance from the shadow are given as:

[tex]\mathbf{D =39.75}[/tex]

[tex]\mathbf{d =34.9}[/tex]

To calculate the height (H) of the tree, we make use of the following equivalent ratios

[tex]\mathbf{H : h =D : d}[/tex]

So, we have:

[tex]\mathbf{H : 1.85 =39.75 : 34.9}[/tex]

Express ratio as fraction

[tex]\mathbf{\frac{H }{ 1.85 }=\frac{39.75 }{ 34.9}}[/tex]

Multiply both sides by 1.85

[tex]\mathbf{H=1.85 \times \frac{39.75 }{ 34.9}}[/tex]

[tex]\mathbf{H=2.11}[/tex]

Hence, the height of the tree is approximately 2.11 meters

Read more about ratios and proportions at:

https://brainly.com/question/7810782

Find the value of X

Answers

[tex]x + 3x + 80 = 180 \\ 4x = 180 - 8 0 \\ 4x = 100 \\ x = \frac{100}{4} \\ x = 25 \: \: \: [/tex]

What is the slope for this table?

Answers

Do u have a graph?

Sheeeeeeeeeeeeeeeeeeeeeeeesh

Find the probability of flipping a coin 3 times and getting all heads.

Answers

Answer:

.13

Step-by-step explanation:

Team math Minds have a score of - 200 They answered five 30-point questions correctly. What is their new score?

Answers

-200+150= -50 is the answer

A rectangular room has an area of 120 square feet. a. The length of the room is 15 feet. Find the perimeter of the room. The perimeter of the room is feet.

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Since the area is 120 ft^2, and we know the length of the room is 15 ft, we can calculate the width.

120/15 = 8

To find the perimeter, we use the following formula

2l + 2w = P

2 (15) + 2 (8) = 46 ft

Explain what someone has to do to get a good credit rating.

Answers

Answer:

The key to developing a great credit score is not a formula, but there are certain general recommendations that may be followed. Make on-time payments on your debts on a consistent basis. One strategy to ensure that your payments are made on time is to set up automated payments or electronic reminders for your accounts. If you've fallen behind on your payments, get up to date and remain up to date.

Step-by-step explanation:

Hope it helps if this is what you mean;)

I think of a number. I add 3 then divide it by 2. My answer is 12. Form an equation and solve it to find my number.

Answers

Answer:

Step-by-step explanation:

21 plus 3 equals 24 divided by 2 equals 12

Ashley plays in the band. She brought eighty-four snacks to school for her band friends and she has twenty-one friends. How many snacks does each person receive?

Answers

Answer:

B. 4 steps

Step-by-step explanation:

[tex]84 \div 21 = 4[/tex]

just divide total number of steps by number of friends to derive the answer.

given:

84 snacks

21 friends

to find:

how many snacks each of her friend gets.

solution:

[tex] \frac{84}{21} [/tex]

[tex] = 4[/tex]

hence, each of her friend will get 4 snacks.

answer= option B

¿Cuál es la probabilidad de que una mujer que ha sido vacunada en este lapso de cuatro
meses haya recibido su segunda dosis en octubre ?

Answers

Answer: buddy if you put it in English i can do it I’m a teacher

Step-by-step explanation:

The quotiont of a number and 12 - 3 = -4
i need to find the equation

Answers

Answer:

x ÷ (12 - 3) = -4

x = -36

Step-by-step explanation:

x ÷ (12 - 3) = -4

x = -4(12 - 3)

x = -48 + 12

x = -36

Another Way:

x ÷ (9) = -4

x = -36

-Chetan K

Of the students in your class, 12% are left-handed. What fraction of the students are left-handed? Are there more right-handed or left-handed students? Explain. Write your answers in simplest form. A comparison of these two fractions is:

Answers

Answer:

3/25

More right handed

3/25 ≤ 22/25

Step-by-step explanation:

There are more right handed people because 88% of them are right handed.

12/100 = 3/25

Combining like terms with neg
Combine the like terms to create an equivalent expression:
--3x – 6+ (-1)

Answers

Answer:

3x−7

Step-by-step explanation:

3x – 6+ (-1)

3x + (-7)

All of the following are equivalent, except _____.

3x
2x 2
x(2 + 1)
2x + x

Answers

2x 2 is the answer your looking for,

When there are two variables (letters) you combine them by adding

100 POINTS IF U GET THIS RIGHT!

Answers

Answer:

The Slope equals (-8/7)

1) For each diagram, decide if y is an increase or a decrease relative to x. Then determine how much it increased or decreased.

Answers

Answer:

i dont know

Step-by-step explanation:

HELPP PLEASEE AND THANK YOU:)

Answers

Step-by-step explanation:

i think the answer is 112°.......

You need the angle image for this

the length of a rectangle is 5 more than twice its width. its perimeter is 70 cm. what is its area? show your solution

Answers

Answer:

[tex]250cm^2[/tex]

Step-by-step explanation:

length = 5 + 2w

width = w

P = Sum of all sides

P = 2 * (5 + 2w) + 2w

P = 10 + 4w + 2w

P = 6w + 10

Given Perimeter = 70cm

We substitute

6w + 10 = 70

6w = 70 - 10

6w = 60

w = 60/6

w = 10cm

Since length is 5 + 2w

length = 5 + (2 * 10)

length = 25cm

Area = lw

Area = 25 * 10

Area = [tex]250cm^2[/tex]

Answer:

let

b=x then'

l= 2x+5

Now

p=70

2(l+b)=70

2(x+2x+5)=70

6x+10=70

6x=60

x=6

b=x=10

l=2x+5=25

area of rectangle = l*b

25*10

=250 answer

Write the equation of line given points (2,3)(-2,-5). write the equation in standard form.

Answers

i’m pretty sure it’s y=2x-1

[tex]\text{Given that,}\\\\(x_1,y_1) = (2, 3) ,~~~ (x_2,y_2) =(-2,-5)\\\\\\\text{Slope,}~ m = \dfrac{y_2 -y_1}{x_2 - x_1} = \dfrac{-5-3}{-2-2} = \dfrac{-8}{-4} = 2\\\\\\\text{Equation with given points,}\\\\y - y_1 = m(x-x_1)\\\\\implies y -3 = 2(x -2)\\\\\implies y -3 = 2x -4\\\\\implies 2x -y = 1[/tex]

guys i need help at least 1 question please

i will give brainliest

Answers

Answer:

most of them would be 0

Step-by-step explanation:

What is the slope of the given slide?

Answers

Use Pythagoras theorem:
a^2 = b^2 + c^2
-15^2 + 18^2 = a^2
a^2 = 99
a = root of 99

[tex]\text{Slope,~} \tan \theta =\dfrac{15}{18}=\dfrac 56[/tex]

In two or more complete sentences describe how to determine if the function, f(x) =3cos(x) is even by looking at a graph

Answers

Answer:

You know that a cosine graph is a sine graph moved to the left by pi/2, therefore, like a linear equation, you need to make the cosine graph 3 times less width.

Step-by-step explanation:

Pls help this is due today and i have no idea

Answers

Answer:

x=38°

Step-by-step explanation:

sinx/21 =sin(38°)/21

sinx=21Sin(38°)/21

x = arcsin(21Sin(38°)/21)

x=38°

x + 8 less than or equal to 6

Answers

If this is an equality question:
x is less than or equal to -2

x is less than or equal to -2

Answer 1-2 please. highlight and number the answers as well.

Answers

Step-by-step explanation:

Volume of aquarium:

V = 5.2*1.8*2 = 18.72 ft³

Volume of cylinder:

V = π*5²*9 = 706.86 in³ (rounded to the nearest hundredths)

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