HALP ME PLS
Simplify the expression.
5n - 3(4n + 1) =

Answers

Answer 1

Answer:

-7n - 3

Step-by-step explanation:

5n-3(4n+1) =

5n -12n -3= 0

-7n - 3

Answer 2

Answer: -7n-3

Step-by-step explanation: first bring the 5n down then multiply -3x4n gives you -12 and multiply 5x1 that gives you 5 so you would write (5n−12n)−3

then remove the parentheses combine like terms like 5 and 12 are alike because of the n's that means subtract because of the - sign 5-12 which gives you -7 and then you bring down -3 because it's outside the parentheses and that's the answer.


Related Questions

The entire rectangle below has an area of 68ft squared.
Find the area of the shaded triangle. Be sure to include the correct unit in your answer.

Answers

Answer:

34ft squared

Step-by-step explanation:

Since the shaded area is half of the whole rectangle, it would be half of 68. 68/2 = 34, therefore the shaded area is 34ft squared.

two sides of rectangle are (2x + 5xy) and (-7x - 10xy ). Find its perimeter

Answers

Answer:

-10x (1 - y)

Step-by-step explanation:

Given :-

Side 1 = (2x + 5xy)

Side 2 = (-7x - 10xy)

To Find :-

Perimeter

Formula :-

Perimeter (rectangle) = 2 (Side 1 + Side 2)

Solving :-

Perimeter = 2 (2x + 5xy - 7x - 10xy)

= 2 (-5x - 5xy)

= -10x (1 - y) => [Solution]

Step-by-step explanation:

perimeter: 2 (2x+ 5xy+(-7x-10xy)

= 2(2x+5xy-7x-10xy)

= 4x+10xy-14x-20xy

= -10x-10xy

= -10x(1+y).

Answer: -10x(1+y)

Michaela spent $234 preparing for a party with 18 guests. Each guest costs the same amount of money. How many guests could attend a party that cost $104 to prepare?

Answers

Answer:

8 people

Step-by-step explanation:

234 divided by 18 is 13.

104 divided by 13 is 8.

Does the point (-1, 2) make the following equations true? i) y = -2x ii) y = x + 3

Answers

Answer:

i) True

ii) True

Step-by-step explanation:

Given :-

Point (-1, 2)

To Find :

Whether the point is a solution of :

y = -2xy = x + 3

Solving :-

Substitute the value of the point in each of the equations.

=> y = -2x

=> 2 = -2(-1)

=> 2 = 2 [∴ The point makes it true]

=> y = x + 3

=> 2 = -1 + 3

=> 2 =  2 [∴ The point makes it true]

Answer:

true

Step-by-step explanation:

first, you take the y = -2x and plug that into y = x + 3. so your equation should be -2x = x + 3. you then solve for x which comes out to be -1. you then plug the -1 into y = -2x. your equation should be y = -2(-1). solve for y which equals 2. the point that you got from both equations matches the point from the equation given so it is true.

What is the equation of the function that is graphed as line a?

O y= 2 x-1
O y=-x-1
O y=-x
O y=3 x
please awnser quick :)

Answers

to get the equation of any straight line we simply need two points off of it, hmmm let's use the points in the picture below for "a".

[tex](\stackrel{x_1}{-4}~,~\stackrel{y_1}{3})\qquad (\stackrel{x_2}{2}~,~\stackrel{y_2}{-3}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-3}-\stackrel{y1}{3}}}{\underset{run} {\underset{x_2}{2}-\underset{x_1}{(-4)}}}\implies \cfrac{-6}{2+4}\implies \cfrac{-6}{6}\implies -1[/tex]

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{3}=\stackrel{m}{-1}(x-\stackrel{x_1}{(-4)}) \\\\\\ y-3=-1(x+4)\implies y-3=-x-4\implies y=-x-1[/tex]

Marcus' employee benefits include family health care coverage. He contributes 25% of the cost. Marcus gets paid weekly and $102 is taken out of each paycheck for family healthcare coverage. How much does his employer contribute annually for coverage?

Answers

Monthly amount, M = $102×4 = $408.

Also, yearly amount, Y = M×12 = $408×12 = $4896

It is given that 25% of the cost is contributed by Marcus.

Amount Marcus paid

[tex]=\dfrac{\$4896 \times 25 }{100}\\\\= \$1224[/tex]

Therefore, his employer contribution annually for coverage is $( 4896 - 1224)=$3672.

Hence, this is the required solution.

Dave is comparing the circumferences of several trees in his yard. The oak tree is 0.539 meters in circumference, the ash tree has a circumference of 0.509 yards, the elm tree is 6281.70 millimeters around, and the poplar has a circumference of 0.000385 miles. There are 30.48 centimeters in a foot. Which tree has the greatest circumference?
a.
oak
b.
ash
c.
elm
d.
poplar

Answers

Answer:

Dave is comparing the circumferences of several trees in his yard. The oak tree is 0.539 meters in circumference, the ash tree has a circumference of 0.509 yards, the elm tree is 6281.70 millimeters around, and the poplar has a circumference of 0.000385 miles. There are 30.48 centimeters in a foot. Which tree has the greatest circumference?

a.

oak

b.

ash

c.

elm

d.

poplar

Answer:

 

Step-by-step explanation:

 

a.

oak

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

hope it helps rex

What is a polynomial? And how do you identify if an equation is a polynomial?

Answers

Answer:

polynomial is a an algebraic expression with 2 or more terms

[tex] \huge \boxed{\mathfrak{Question} \downarrow}[/tex]

What are polynomials?

[tex] \huge \boxed{\mathfrak{Answer} \downarrow}[/tex]

Polynomials are often sum of terms that are usually in the form :-

[tex] \huge \sf \: a {x}^{2} + bx + c[/tex]

The powers in a polynomial are non-negative integer powers.Based on the number of terms in a polynomial, there are 3 types of polynomials. They are monomial, binomial and trinomial. Based on the degree of a polynomial, they can be categorized as zero or constant polynomials, linear polynomials, quadratic polynomials, and cubic polynomials.

The sum of the two numbers is 52 and the difference is 28. Calculate the numbers.

Answers

Let's set these two numbers as 'a' and 'b'

Now, let's set up equations based on the information known:

the sum of the two numbers is 52 --> a + b = 52the difference is 28 --> a - b =28

Equations

a + b = 52 -- equation 1a - b = 28 -- equation 2

Solve:

  (Equation 1) + (Equation 2)

  2a = 80

     a = 40 -- equation 3

  (Equation 3)

     40 + b = 52

       b = 12

So a  = 40 and b = 12

Hope that helps!

using substitution, how do you solve the simulateous equations y=3x+2 and y=x+6 ?

Answers

Answer:

X = 2

Step-by-step explanation:

y = 3x +2

y = x + 6

x + 6 = 3x + 2

6 = 2x + 2

4 = 2x

x = 2

Substitute y=x+6 to y=3x+2
So…
3x+2=x+6
2x=4
x=2

Simplify by combining like terms:
5a + 2b - 3b + 4

Answers

Answer: 5a-b+4

Steps:

Reorder and gather like terms

5a+(2b-3b)+4

Collect coefficients of liked terms

5a+(2-3)*b+4

Calculate the sum or difference

5a-b+4

FINAL Answer: 5a-b+4
5a-1b+4 2-3
=-1 so that is why they combine

Can someone help me with this

Answers

Answer:

C) 3^3*x^-3

Step-by-step explanation:

okay, so let's just find the numerator and denominator separately

So 27 is equal to 3^3. Numerator done.

Now for the denominator:

You need to know the laws of indices, specifically the one which says that square root of something is the same as to the power of 1/2, where the 1 signifies the power of the number inside the root and the 2 is for the square root. This means that the cube root would be power of 1/3.

So here cube root of x^9, would be equivalent to x^9/3, which can be simplified to x^3/1 ---> x^3.

This leaves us with 3^3/x^3. However, this isn't an option. We need to simplify the divide part of the expression. We can do that by using another law of indices which states that anything to the power of a negative number is the same as 1 over that number. (For example, x^-5 = 1/x^5) If there are numbers in front of the x, then that number would replace the 1, such as the following example: 9x^-3 = 9/x^3.

In this question, our 3^3/x^3 could be changed using this law to give, 3^3*x^-3

I hope this made sense and was helpful :))

I need help ASAP, square root of 11

Answers

Answer:

The square root of 11 is 3.31662479

Answer

3.317

hope this helped

HELP!!! WILL MARK BRAINLIST!!!! AND A 5 STAR REVIEW!!! AND A THANKS

Answers

Rewrite 32 as 32/1

1/4 x 32/1

To multiply 2 fractions, we multiply the nominators together, and the denominator together

1/4 x 32 = 1/4 x 32/1 = 1x32/4x1 = 32/4

Simplify as 8.

So, 1/4 x 32 = 8

Sean bikes 5 miles south and then 3 miles west. What is the shortest distance back to Sean’s starting point?
pls help

Answers

Answer:

back 5 miles south west

Step-by-step explanation:

hope this help have a good day.

PLEASE HELP WITH GEOMETRY HW

Answers

Answer:

m<92⁰

Step-by-step explanation:

m<16 = 55⁰

m<20 = 55

55 + 33 =88

the sum of the inside of a triangle is 180⁰ so

180 - 88 =92

6x2y – 2x2y – 10x2y + 8x2y =

Answers

Answer:

4y is your answer........

A book costs $ 67. How much will be paid for 102 such books?​

Answers

The cost of one book = $ 6 7

Number of books = 1 0 2

The cost of 102 books = $ 67 × 102

= $ 6834

Therefore, cost of 102 books = $ 6834

Answer:

$6,834

Step-by-step explanation:

Given:

cost of one book = $67

Total cost = number of books × cost of one book

                 = 102 × $67

                 = $6,834

The measure of the angles are shown in the figure below solve for x

Answers

Answer:

x = 67°

Step-by-step explanation:

The little square in the corner represents 90° because it is a right-angle.

All angles in a triangle add up to 180°.

90° + 23° = 113°

180° (total) - 113° (whats already there) = 67° (x)

I hope this helps. If you need further explanation, let me know.

- profparis

A six-sided die is rolled 2 times. What is the fractional probability of rolling different numbers?

Answers

Answer:

The probability of getting 6 the first time and an even number the second time is 1/12.

what is probability?

probability is the quantification of possibilities in numbers.

(1) probability of rolling a 6 for the first time:

total possible outcomes = (1,2,3,4,5,6) =6

sample space = 1

probability of getting 6 = sample space/total possible outcomes

probability of getting 6 = 1/6

2)probability of getting an even number

total possible outcomes will be (1,2,3,4,5,6)

sample space  =  (2,4,6) ie 3

probability of this = 3/6 = 0.5

total probability = 1/6*0.5 = 1/12

therefore,

The probability of getting 6 the first time and an even number the second time is 1/12.

to get more about probability refer to:

Step-by-step explanation:

Solve the following:
a
4x - 3 = 2x + 7
what does x equal​

Answers

Answer:

x=5

Step-by-step explanation:

4x-3=2x+7

4x-2x-3=7

4x-2x=7+3

2x=10

2x/2 10/2

x=5

Answer:

x=5

Step-by-step explanation:

So we have to combine like terms

4x-3=2x+7

-2x  -2x

2x-3=7

   +3 +3

And now simplify

2x=10

/2   /2

x=5

How many pints are in​ 6 1/2​quarts?

Answers

Answer:

13 pints I believe

Step-by-step explanation:

6.5 x 2 = 13

Answer:

Step-by-step explanation:

13

In ΔFGH, GH = 14, HF = 13, and FG = 15. Which list has the angles of ΔFGH in order from largest to smallest?

Answers

Answer:

HF, GH, FG largest to smallest

Step-by-step explanation:

HFGHFG

What is 2.803 to the nearest half

Answers

Answer:

2.8

Step-by-step explanation:

Answer:

Step-by-step explanation:

1.401.2 simplify that and there you go

The second class railway fare for 240 Km of journey is Rs. 15. What would be the fare for a journey of 139.2 Km? pls answer my question..i will mark brainliest..​

Answers

please mark me as brainlest

A rectangular prism is completely packed with 54 cubes of edge length fraction 1 over 2 inch, without any gap or overlap. Which of these best describes the volume of this rectangular prism?
Please help!

Answers

Answer:

The answer is D. The volume of the rectangle = 180 x 1/3 x 1/3 x 1/3 = 180/27=6 + 18/27.

Unit cube = 1 x 1 x 1

Step-by-step explanation:

Hope this helps!

Factor the polynomial 4x4 – 20x2 – 3x2 15 by grouping. what is the resulting expression? (4x2 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 3) (4x2 5)(x2 – 3)

Answers

The resulting expression for the factor of the provided polynomial with the help of grouping method is,

[tex](4x^2-3)(x^2-5)[/tex]

What is polynomial equation?

Polynomial equations is the expression in which the highest power of the unknown variable is n (n is real number).

Factor of a polynomial is the terms in linear form, which are when multiplied together, give the original polynomial equation as result.

The given polynomial equation is,

[tex]4x^4 - 20x^2 -3x^2 +15[/tex]

Make the groups of the above equation by taking out, 4x^2 from first two terms and -3 from second equation.

[tex]4x^4 - 20x^2 -3x^2 +15\\4x^2(x^2- 5) -3(x^2 -5)[/tex]

Take out the common group to simplify further.

[tex](x^2-5)(4x^2-3)\\(4x^2-3)(x^2-5)[/tex]

Thus, the resulting expression for the factor of the provided polynomial with the help of grouping method is,

[tex](4x^2-3)(x^2-5)[/tex]

Learn more about polynomial here;

https://brainly.com/question/24380382

Dave wants to put a wooden frame around a mirror. The height of the mirror is 10 inches shorter than three times its width. Which equation represents the perimeter of the mirror, P, in terms of its width, w?
P=2(w + 3w - 10)
P=2(w - 3w – 10)
P=2(w + 3w + 10)
P=2(w – 3w + 10)

Answers

Answer:

the correct equation to this statement is going to be c

It’s the third one P=2(w+3w+10)

Jaine has saved 7 times as much
money as Jared has saved. Jaine has
saved $378. How much money has
Jared saved?

Answers

Answer:

$54

Step-by-step explanation:

If Jaine has $378, the opposite of 7 times would be dividing. So all you have to do is 378/7=54.

Tanisha weighed a wooden block that was labeled 253.8 grams, and found that it actually weighed 235 grams. What was the percent error in the labeling of the block? ( Round to the nearest 10th of a percent. )

Answers

Answer:

8%

Step-by-step explanation:

If the block weighs 235 grams, we can do (253.8-235)/235=18.8/235=0.08. Because it's percent, we need to multiply by 100, so the answer is 8%.

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