help meeeeee help meeeee please

Help Meeeeee Help Meeeee Please

Answers

Answer 1

Answer:

Step-by-step explanation:

3) Final step of problem 1: -5x + 6

-5x + 6 = -5*(-2) + 6

           = 10 + 6 = 16

4) x + -4 + -2(3x -5 ) = 8 + -4 + -2(3*8 -5)

                                = 4+ -2(24 -5)

                                = 4 + -2*19

                                 = 4 - 38

                                  = -34


Related Questions

How many trolley cars are needed to hold all the passengers? Write as a mixed number

Answers

Answer:

[tex]46\frac{1}{8}[/tex]

Step-by-step explanation:

Formulate

[tex]1845\div40[/tex]

Calculate

[tex]\frac{1845}{40}[/tex]

Cross out the common factor

[tex]\frac{369}{8}[/tex]

Write [tex]\frac{369}{8}[/tex] as a mixed fraction

[tex]46\frac{1}{8}[/tex]

I hope this helps you

:)

How do I turn 3/8 into a decimal without a calculator?


Please dum it down for me.

Thank you so much!!!!!

Answers

step 1

[tex]\begin{matrix}\:\:\:\:\emptyspace0.\:\:\:\:\:\:\:\:\:\:\:\\ 8\overline{|\smallspace3.0}\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace0}\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\emptyspace3\emptyspace0\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]

step 2

[tex]\begin{matrix}\:\:\:\:\emptyspace0.\emptyspace3\:\:\:\:\:\:\:\:\:\\ 8\overline{|\smallspace3.0\cdot \:0}\:\:\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace0}\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\emptyspace3\emptyspace0\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace2\emptyspace4}\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\emptyspace6\emptyspace0\:\:\:\:\:\:\:\:\end{matrix}[/tex]

step 3

[tex]\begin{matrix}\:\:\:\:\emptyspace.\emptyspace3\emptyspace7\:\:\:\:\:\:\:\\ 8\overline{|\smallspace 3 0\ \ \:}\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace0}\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\emptyspace3\emptyspace0\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace2\emptyspace4}\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\emptyspace6\emptyspace0\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\underline{\emptyspace5\emptyspace6}\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\emptyspace4\emptyspace0\:\:\:\:\:\:\end{matrix}[/tex]

step 4

[tex]\begin{matrix}\:\:\:\:\epe0.\ece3\empt7\e5\:\:\:\:\:\\ 8\overline{|\sm30 \ \ \ \ }\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace0}\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\em3\e0\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace2\emptyspace4}\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\eme6\ece0\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\underline{\empte5\ee6}\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\ee4\ece0\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\underline{\ee4\epace0}\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\:\:\e0\:\:\:\:\:\:\end{matrix}[/tex]

Answer:

3.75

Step-by-step explanation:

[tex]\mathrm{Write\:the\:problem\:in\:long\:division\:format}[/tex]

[tex]\begin{matrix}8\overline{|\smallspace3.0}\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]

[tex]\mathrm{Divide\;30\;by\;8\;to\;get\;3}[/tex]

[tex]\begin{matrix}\:\:\:\:\:\:\emptyspace3.\:\:\:\:\:\:\:\:\:\:\:\\ 8\overline{|\smallspace30.0}\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace2\emptyspace4}\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\emptyspace6\emptyspace0\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]

[tex]\mathrm{Divide\;60\;by\;8\;to\;get\;7}[/tex]

[tex]\begin{matrix}\:\:\:\:\:\:\emptyspace3.\emptyspace7\:\:\:\:\:\:\:\:\:\\ 8\overline{|\smallspace30.0\cdot \:0}\:\:\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace2\emptyspace4}\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\emptyspace6\emptyspace0\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\underline{\emptyspace5\emptyspace6}\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\emptyspace4\emptyspace0\:\:\:\:\:\:\:\:\end{matrix}[/tex]

[tex]\mathrm{Divide\;40\;by\;8\;to\;get\;5}[/tex]

[tex]\begin{matrix}\:\:\:\:\:\:\emptyspace3.\emptyspace7\emptyspace5\:\:\:\:\:\:\:\\ 8\overline{|\smallspace30.0\cdot \:0}\:\:\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace2\emptyspace4}\:\:\:\:\:\:\:\:\:\:\:\:\\ \emptyspace6\emptyspace0\:\:\:\:\:\:\:\:\:\:\\ \underline{\emptyspace5\emptyspace6}\:\:\:\:\:\:\:\:\:\:\\ \emptyspace4\emptyspace0\:\:\:\:\:\:\:\:\\ \underline{\emptyspace4\emptyspace0}\:\:\:\:\:\:\:\:\\ \emptyspace0\:\:\:\:\:\:\:\:\end{matrix}[/tex]

[tex]\mathrm{The\:solution\:for\:Long\:Division\:of}\:\frac{3}{0.8}\:\mathrm{is}\:3.75[/tex]

~lenvy~

Which graph best represents the solution set to this system of inequalities?

x + y < 1
x − y ≤ 2

A.



B.



C.



D.



©

Answers

Answer:

(3/2, -1/2)

Step-by-step explanation:

add the 2 inequalities together.

you get 2X<3 so x<3/2. plug X back in and solve for y and you get y= -1/2

$13,883 is invested, part at 8% and the rest at 6%. If the interest earned from the amount invested at 8% exceeds the interest earned from the amount invested at 6% by $625.26, how much is invested at each rate? (Round to two decimal places if necessary.)

Answers

Answer: 27090 is invested. part at 13% part at 10% the interest earned at 13% exceeds the interest earned at 10% by 440.16 how much is invested at each rate.

Please help me !! i do not understand this
Graphing a line by first finding its x and y intercepts

Answers

Answer:

x-intercept is 5

y-intercept is -6

Step-by-step explanation:

To find x-intercept put y=0

since 6x-5y=30 then 6x=30

x=30/6 = 5

To find y-intercept put x=0

since 6x-5y=30 then -5y=30

y=30/-5 = -6

simplify this expression: 2(10)+2(x-4)

Answers

Answer:

16+ 2x

Step-by-step explanation:

2(10) +2(x-4)

20 + 2x -8

16+ 2x

I need help
What are the dimensions of the rectangle shown below? Remember to use the axes on the coordinate grid to help you.

A coordinate grid is shown with scale from negative 14 to 0 to positive 14 on both x- and y-axes at increments of 2. A figure ABCD is shown with A at ordered pair negative 10, 2, B at ordered pair 2, 2, C at ordered pair 2, negative 6, and D at ordered pair negative 10, negative 6.

6 units × 4 units
8 units × 6 units
12 units × 8 units
18 units × 12 units

Answers

Answer:

Its C: 12 units × 8 units are the dimensions of the rectangle

Step-by-step explanation:

Please tell me. How you find 'two' from this equation?

Answers

Answer:

It's asking what 3^k+2 is in terms of m. That is where the 2 comes from.

Please let me know if this helped <3

Which of the following choices is not a reason that a truck is more expensive to maintain than a car.
the truck is less fuel efficient
the insurance on a car is more expensive
the tires are bigger on a truck
the car uses less oil

Answers

Answer:

it's a it's the first one

Step-by-step explanation:

because if the trick would use less oil then that would make it look like the truck is less expensive but it's not

The first one the truck is less fuel efficient

when a kitten is born it weighs 1.5 pounds. after 3 weeks it weighs 3 pounds. when the kitten is 6 weeks old it weighs 7.5 pounds. what percent weight gain did the kitten grow over from the first weight?

Answers

Answer:

It grew by 500% meaning it grew on average 83.333% per week

Step-by-step explanation:

To find the percent growth you divide the end weight by the starting weight:

[tex]7.5/1.5=5[/tex]

However, that is the percentage in decimal form. To convert that number to a percentage move the decimal place to the right 2 places. This results in 500%

To get the average weekly growth weight, simply divide the 500% by the amount of weeks (6). This then gives the 83.333% per week.

Note: I didn't know which answer you were looking for. That is why there are 2.

Evaluate: 13.5+14.5×3.1

Answers

Answer:

58.45

Step-by-step explanation:

Use BIDMAS

14.5 X 3.1 = 44.95

44.95 + 13.5 = 58.45

Answer:

58.45

Step-by-step explanation:

Graph a line with a slope of 2/5 that contains the point (-2, 4) I HAVE THE ANSWER ALREADY LOL, for anyone who needs it!!

put one point at (-7,2) and the other point at (-2,4)

Answers

Answer:

do you already have it answer.lol.

what is the solutuion for 8 = x +1?

Answers

Answer:

x = 7

Step-by-step explanation:

8 = x + 1

8 - 1 = x7 = x

prove that the value of x is 7

8 = x + 18 = 7 + 18 = 8

proven

the line plot shows the distances that athletes were able to run in five minutes. what is the average distances ran among all of runners?

Answers

Answer:

3/5 miles

Step-by-step explanation:

Average Distance = Total Distances / Total Number of Runners

Average Distance = [0.3+0.4+0.5+0.6+(4*0.7)+0.8] / 9 = 3/5

At Davidson’s bike rentals, it costs $10 to rent a bike for 3 hours. How many dollars does it cost per hour of bike use?

Answers

Answer:

10 = 3 hours

one hour = 3.33 dollars

Step-by-step explanation:

Answer $3.33

Explanation divide ten by three to get 3.33333 repeated

QUESTION ON PIC THANK YOU FOR ANSWERING

Answers

Answer:

- Parallelogram has two pairs of parallel sides.

- Square has four right angles, two pairs of parallel sides, and all sides congruent.

- Trapezoid has only one pair of parallel sides.

Step-by-step explanation:

7/8 multiplied by 4/9 equals

Answers

Answer:

( 7/18 )

Step-by-step explanation:

7           4            7 x 4            28 ÷ 4                 7

/    x     /      =        /         =          /              =      /

8          9             8 x 9           72 ÷ 4                18

I hope this helps!

a + b/c when a=16 b=64 c=8

Answers

Answer:

The answer should be 24

Step-by-step explanation:

All you need to do is replace the variables (a, b, and c) with the numbers given.

16 +64/8 would equal to 24

NAME
DATE

Dior uses 3/8
gallons of red paint and 5/8 gallons of blue paint to make purple paint for her
room. She needs 2 gallons of purple. How much red and blue paint does she need

Answers

Answer:

6/8 red paint

10/8 blue paint

4th grade savvas realize


What is the equation of the blue line?

Answers

Answer: (1,4) (2,7) (3,10)

HOpE iT hElpS

plS mArK As bRaiNlieSt -wiggly

Step-by-step explanation:

​A helicopter company offers tours of the city. They charge $100 dollars initially, and then $50 for each additional person. The graph below shows the charges for a tour (T) based on the number of people (p).Write the equation of the line that relates the tour charges (T) to the number of people (p).

Answers

Answer:

100 + 50p = t or t = 100 + 50p

Step-by-step explanation:

We know that they charge 100 initially and then an addition 50 for each person.

We add 100 to 50 but we do not know the amount of people, which leaves it unknown (p)

The total cost (t) is also unknown which stays unknown until we calculate the amount of people.

The point ( 9, y ) is on the line in the graph below. Find the correct value for y.

Answers

Answer:

the answer send me a 100dollar gift card

HELP!! I dont know which one is the correct answer. I'll give brainliest ​

Answers

Answer:

As it says approximate, the nearest value to 46.6° is 45.6°

Therefore, 45.6° is the approximate measure of angle A.

using SOH CAH TOA:

[tex]\sf cos(A) = \dfrac{b^2+c^2-a^2}{2bc}[/tex]

[tex]\hookrightarrow \sf cos(A) = \dfrac{4^2+8^2-6^2}{2(8)(4)}[/tex]

[tex]\hookrightarrow \sf cos(A) = 0.6875[/tex]

[tex]\hookrightarrow \sf A = cos^{-1}(0.6875)[/tex]

[tex]\hookrightarrow \sf A = 46.5675^{\circ \:}[/tex]

[tex]\hookrightarrow \sf A = 46.6^{\circ \:}[/tex]

Solve equation by using the quadratic formula.
6x² – 2x=8

Answers

x = 4/3 and x = -1
use quadratic formula to find the zeros
a= 6 b= -2 c= -8

Answer:

[tex]x = \frac{4}{3}- 1[/tex]

x=4/3 , -1

Solve for x. Please look at the picture and answer it. Thank you.

Answers

Answer:

[tex]\tt x=21[/tex]

Step-by-step explanation:

[tex]\tt 45+63+4x-12=180[/tex]

[tex]\tt \cfrac{4x}{4} =\cfrac{180-96}{4}[/tex]

[tex]\tt x=21[/tex]

~

I need help with this pls help!

Answers

14 I think? (Tbh i really don’t know my bad)

wn
igs are country songs?
26. Financial Literacy Ashton is saving money to
buy a new bike. He needs $120 but has only
saved 60% so far. How much more money
jas
does Ashton need to buy the scooter?

Answers

Step-by-step explanation:

he has 60%

so he needs 40%

40% of 120

of is ×

40% × 120

40% as a decimal is

put answer in comments

please answer this question​

Answers

[tex]\bold{\huge{\underline{ Solution }}}[/tex]

- I have used different colours for indicating different process

- I used brown colour to indicate steps

- I used green colour for explaining solution

- Pink colour for known properties of integration

- Purple colour for the middle steps that are optional.

[Note :- For solving such questions it is mandatory that you should know all the functions and it's derivatives ]

Required Answer for the given question

[tex]\sf{=}{\sf{\dfrac{ x^{2}}{2}}}{\sf{ + 7x + 67x .In| x - 4 | - 30.In| x - 3 | + c }}[/tex]

Answer:

[tex]\displaystyle \large{\frac{x^2}{2}+7x+67\ln |x-4|-30\ln |x-3| + C}[/tex]

Step-by-step explanation:

To find an integration of this function, first, you must know these integration methods and differences of them.

Partial Fraction Method - A method that separates the denominator into two brackets and solve the equation for two variables.Long Division Method - A method that uses long division to rewrite the fraction to make it easier to integrate.

These methods above are common when it comes to integrating fractional functions, except there are differences when to use these methods.

Partial Fraction technique has to be used when the degree of numerator is lower than the degree of denominator. Basically, proper fraction.

Examples (of these integrands that require partial fraction technique)

[tex]\displaystyle \large{\int \frac{3}{x^2-5x+6} \ dx}\\\displaystyle \large{\int \frac{x+2}{x^2-4} \ dx}[/tex]

Long Division technique has to be used when the degree of numerator is greater than the degree of denominator.

Examples (of these integrands that require long division)

[tex]\displaystyle \large{\int \frac{x^2+5x+6}{x+2} \ dx}\\\displaystyle \large{\int \frac{x^4+3}{x} \ dx }[/tex]

Therefore, from the given integral, the integrand requires long division method. (See attachment for long division.)

After long division, we should get:

[tex]\displaystyle \large{\int x+7+\frac{37x-81}{x^2-7x+12} \ dx}[/tex]

Recall important properties of integral such as:

[tex]\displaystyle \large{\int [f(x) \pm g(x)] \ dx = \int f(x) \ dx \pm \int g(x) \ dx}[/tex]

Hence:

[tex]\displaystyle \large{\int x \ dx + \int 7 \ dx + \int \frac{37x-81}{x^2-7x+12} \ dx}[/tex]

Recall important integration formula for polynomial and constant:

[tex]\displaystyle \large{\int x^n \ dx = \frac{x^{n+1}}{n+1} + C}\\\displaystyle \large{\int x \ dx = \frac{x^2}{2} + C}\\\displaystyle \large{\int k \ dx = kx + C \ \ \tt{(k \ \ is \ \ a \ \ constant.)}[/tex]

Therefore:

[tex]\displaystyle \large{\frac{x^2}{2}+7x+\boxed{\int \frac{37x-81}{x^2-7x+12} \ dx}}[/tex]

From the boxed integral above, we cannot evaluate it by default. From what I said, if the degree of numerator is less than the degree of denominator, we’ll use partial fraction technique.

Therefore, factor the denominator:

[tex]\displaystyle \large{\frac{37x-81}{(x-4)(x-3)}}[/tex]

Set to A/x-4 and B/x-3

[tex]\displaystyle \large{\frac{37x-81}{(x-4)(x-3)} = \frac{A}{x-4} + \frac{B}{x-3}}[/tex]

Multiply both sides by (x-4)(x-3).

[tex]\displaystyle \large{\frac{37x-81}{(x-4)(x-3)} \cdot (x-4)(x-3)= \frac{A}{x-4} \cdot (x-4)(x-3) + \frac{B}{x-3} \cdot (x-4)(x-3)}\\\displaystyle \large{37x-81= A(x-3) + B(x-4)}\\\displaystyle \large{37x-81= Ax-3A+Bx-4B}\\\displaystyle \large{37x-81= (A+B)x-(3A+4B)}[/tex]

Then compare the coefficients:

[tex]\displaystyle \large{\left \{ {{A+B=37} \atop {3A+4B=81}} \right}[/tex]

Solve the simultaneous equation for A and B.

[tex]\displaystyle \large{\left \{ {{A=37-B} \atop {3A+4B=81}} \right}\\\displaystyle \large{\left \{ {{A=37-B} \atop {3(37-B)+4B=81}} \right}\\\displaystyle \large{\left \{ {{A=37-B} \atop {111-3B+4B=81}} \right}\\\displaystyle \large{\left \{ {{A=37-B} \atop {111+B=81}} \right}\\\displaystyle \large{\left \{ {{A=37-B} \atop {B=81-111}} \right}\\\displaystyle \large{\left \{ {{A=37-B} \atop {B=-30}} \right}\\\displaystyle \large{\left \{ {{A=67} \atop {B=-30}} \right}\\[/tex]

Therefore, A = 67 and B = -30. Substitute the values in:

[tex]\displaystyle \large{\int \frac{67}{x-4}-\frac{30}{x-3} \ dx}\\\displaystyle \large{\int \frac{67}{x-4} \ dx -\int \frac{30}{x-3} \ dx}[/tex]

Recall the integration formula for above:

[tex]\displaystyle \large{\int \frac{k}{x-a} \ dx = \int k \cdot \frac{1}{x-a} \ dx = k\ln |x-a| + C}[/tex]

Therefore:

[tex]\displaystyle \large{\int \frac{37x-81}{x^2-7x+12} \ dx = \int \frac{67}{x-4}-\frac{30}{x-3} \ dx = 67\ln |x-4| - 30\ln |x-3|}[/tex]

Back from this:

[tex]\displaystyle \large{\frac{x^2}{2}+7x+\boxed{\int \frac{37x-81}{x^2-7x+12} \ dx}}[/tex]

Substitute in:

[tex]\displaystyle \large{\frac{x^2}{2}+7x+67\ln |x-4|-30\ln |x-3| + C}[/tex]

Therefore the solution is:

[tex]\displaystyle \large \boxed{\frac{x^2}{2}+7x+67\ln |x-4|-30\ln |x-3| + C}[/tex]

What is the greatest common factor GCF of 45 and 81?

Answers

Answer:

GCF = 9

for the values 45, 81

Solution by Factorization:

The factors of 45 are: 1, 3, 5, 9, 15, 45

The factors of 81 are: 1, 3, 9, 27, 81

Then the greatest common factor is 9.

Answer:

9

Step-by-step explanation:

Factor of 45: → 1, 3, 5, 9, 15, 45

Factor of 81: →  1, 3, 9, 27,81

Therefore, GCF of 45 and 81 is 9

~

please help! will give brainliest if correct

Answers

Answer:

[tex] - 4 \: \: \: \: \: 2 \ \\ - 3 \: \: \: 0[/tex]

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