-3(4x+5) please help

Answers

Answer 1

Answer:
-12x-15
explanation:
you multiply -3 by 4x, gives u -12x and then you multiply -3 by 15 which gives you -15
then you put it in an equation
-12x-15

Related Questions

How do you solve this?

Answers

Answer:

54 ft*2.

Step-by-step explanation:

Area of a triangle = 1/2 * base * perpendicular height.

This is a right angles triangle so its perpendicular height is 9 ft.

So the area = 1/2 * 12 * 9

= 6 * 9

= 54 ft*2.

Answer:

54 cm^2

Step-by-step explanation:

FORMULA FOR AREA OF TRIANGLE: Bh/2

(9x12)/2=

108/2

=54 cm^2

i would be great if you could explain it!!!

Answers

Multiply 8.4 x 10.9 x 8.4 x 10.9 .. sorry if I’m wrong

Pls help! Will give brainliest!!

Answers

Considering area (A) of garden as 30 square feet:

30 = x(2x+7)

Now we need to expand it:

x(2x+7) = 2x^2 + 7x

2x^2 + 7x = 30

Adding this into an Algebra calculator gives us 5/2 or 2.5

So x = 2.5

To prove this:

2(2.5) + 7 = 12

14 * 2.5 = 30

Since the area is equal to length times width, and you know your area has to be 30, you can plug in your values like this:

(2x+7) x = 30

you can distribute to make this easier

2x^2 + 7x = 30

you can plug this into quadratic formula by setting the equation =0, so:

2x^2 +7x -30 = 0

where 2x^2 = a
7x = b
and -30 = c

you can plug this into your calculator and get an answer of

X = 2.5

Help me help me please

Answers

length 3 and width 12

Answer. Length 3 cm and width 12 cm

Step-by-step explanation:

12 divided by 3 is 4 and 48 divided by 4 is 12

okay so- im really stuck (help is well appreciated)

Answers

Answer:

Step-by-step explanation:

The equation is x<= 5.

So 5 and all the numbers less than 5 would be an answer for x.

So you would put a closed dot on 5, because x can equal 5. Then put a line pointing right to all the numbers less than 5.

Put the dot between the 4 and 5 then extend it to the negative size

-
Since x is equal and less then 5 you put the dot on 5 and extend it back to the negative size since x is less then 5 :)

write the expression as a monomial in standard form (-2x^3)^2 * (-1/4x^4)

Answers

Answer:

Squaring the first monomial: 4x^6

Multiplying that by the second monomial:

-1*x^10

So -x^10

Answer:

Step-by-step explanation:

Squaring the first monomial: 4x^6

Multiplying that by the second monomial:

-1*x^10

So -x^10

PLS HELP 40 POINTS ASAP!!!

Answers

Answer:

y=5x

Step-by-step explanation:

you need to type 5 in the blank space

I do give brainliest

Answers

Answer:

Step-by-step explanation:

Slope of the line = y2 - y1 ÷ x2 - x1

====> 8 - (-6) / (-1) - 5

= 14 / -6 = -7 / 3

Robin wants to buy a membership at a carwash this summer so that she can keep her car clean. She compared deals from Speedy Clean Carwash and Sudsy Bubbles Carwash to decide which membership to get. Robin arranged the information in the tables below.
How many times will Robin need to wash her car to spend the same amount at both carwashes?
P.S.: I attached the table below:)

Answers

Robin will need to wash her car 4 times to have spent the same amount at both car washes. I hope this helps!

It will be 35 dollars

someone help me please im very stuck

Answers

Answer:

(0,2)

Step-by-step explanation:

from y=mx+b to find the y intercept b

Answer:

y = -7

Step-by-step explanation:

It's a horizontal line so y is constant, it would be y = b because the slope is 0.

Since it passes through the point (5, -7) we can assume the line is at y = -7

A fruit juice recipe calls for 2 parts orange juice and 8 parts pineapple juice. Which proportion can be used to find the amount of orange juice, j, that is needed to add to 18 L of pineapple juice?

2 over 8 equals j over 18
8 over 2 equals j over 18
8 over j equals 2 over 18
16 over 18 equals j over 100

Answers

The correct proportion to use to find the amount of orange juice, j, needed to add to 18 L of pineapple juice is:

2/8 = j/18

This proportion relates the ratio of orange juice to pineapple juice in the recipe (2:8) to the amount of orange juice needed to add to 18 L of pineapple juice. By cross-multiplying, we can solve for j as follows:

2/8 = j/18

218 = 8j

36 = 8*j

j = 36/8

j = 4.5

Therefore, you would need to add 4.5 L of orange juice to 18 L of pineapple juice to create the fruit juice recipe that calls for a ratio of 2 parts orange juice to 8 parts pineapple juice.

Answer:

2 over 8 equals j over 18

Step-by-step explanation
2 over 8 equals j over 18

This proportion represents the ratio of orange juice to pineapple juice in the recipe. By setting up the proportion, we can solve for the value of 'j,' which represents the amount of orange juice needed.

So, the correct proportion is:

2 over 8 equals j over 18

please help I will appreciate it

Answers

Answer:

c. no solution

Step-by-step explanation:

i hope this helps :)

Answer:

Step-by-step explanation:

they are parallel so they won't intercept. therefore they won't have a solution

math pls help me....

Answers

Answer:

1 is 72%

2 is 0.85

3 is 0.26 and 26%

4 is 31/50 an 62%

4 is 0.45 and 9/20

Step-by-step explanation:

Answer:

(in order of blanks)

percents : 72, 26, 62

decimals : 0.85, 0.26, 0.45

fractions : 31/50, 45/100

Step-by-step explanation:

try those

PLSSS HELP PLSSSSSSSS MARKING BRAINLIST QUESTION BELOW

Answers

Answer:

Hey there!

CarMart's rate of sales is 11 cars per day.

Winston's rate of sales is 10 cars per day.

Compared with CarMart, Winston is selling fewer cars per day.

Compared with CarMart, Winston started with 2 fewer cars.

Let me know if this helps :)

Answer:

CarMart's rate of sales is 11 cars in a day.

Winston's rate of sales is 10 cars in a day.

Compared with CarMart, Winston is selling less cars in a day.

Compared with CarMart, Winston started with two fewer cars.

Step-by-step explanation:

Which linear equation shows a proportional relationship?

y = −2
y = 3x + 1
y equals three halves times x
y equals one half times x minus 3

Answers

Answer:

The correct answer:

y equals three halves times x (y = (3/2)x)

A triangle has vertices at (3,2), (3,6), and (7,2). Find the area of the triangle.
8 square units
12 square units
36 square units
24 square units

Answers

Answer:

8 square units

Step-by-step explanation:

I made a graph and plotted the points.

Area of a triangle= bh/2

b= 4, h=4

4x4=16

16/2=8 square units

The first option. 9 square units

Which of expressions illustrates the associative property?

ab + bc

a ( b + c ) = ab + bc

a ( b + c ) = (a + b ) + c

a + b + c = c + b + a

Answers

Answer:

c) a ( b + c ) = (a + b ) + c

Step-by-step explanation:

The associative property is a property of some binary operations, which means that rearranging the parentheses in an expression will not change the result. In propositional logic, associativity is a valid rule of replacement for expressions in logical proofs.

please help me i will give brainliest to first person to anwser.

Answers

A. 1607.7

First we start with the formula for cylinders v=(pi)r(squared)h filled in Thats v=(3.14)(8 squared) (8) which brings us to the answer 1607.68 but you must round to the nearest tenth aka 1607.7

Answer:

The first option, V ≈ 1607.7 in²

Step-by-step explanation:

Find the volume of the given cylinder.

$\begin{center}\framebox{\parbox{4cm}{\textbf{Volume of a Cylinder:}\\[2ex]The volume of a cylinder with radius $r$ and height $h$ is given by the formula:\\[2ex]\center{$V = \pi r^2 h$} \\ \\}}\end{center}$

Given:

r = 8 in

h = 8 in

π = 3.14

Find:

V = ?? in³

$\hrulefill$

Now solving,

Substitute the given values into the formula:

=> V = (3.14)(8)²(8)

Using a calculator to simplify:

=> V = 1607.68 in²

Rounded to the nearest tenth:

∴ V ≈ 1607.7 in²

Thus, the first option is correct.

There are 11 students in our Science class left to give their presentations. Today we will have time for 6 presentations. How many different ways can the teacher choose the presenters?

A. 120
B. 240
C. 462
D. 924

Answers

I believe it’s C I don’t really know

Answer:

C is correct.

Step-by-step explanation:

There are 11 students in our Science class left to give their presentations. Today we will have time

MATHEMATICS 8th pleace

Answers

Just do 2000 divided by 4 and whenever u get that just divide again by 3

Find the real solution(s) of the following equation. t3 = 343

Answers

i don't really understand your question, maybe there is more too it, than just that, i don't think i answered it completely, but i hope this help!

Answer:

T = 340 3 = 3 / T + 3 = 340

Step-by-step explanation:

"T" will be used as a variable, and to find out what "T" equals, we need to take the answer of the problem and take away "3", 343 - 3 = 340

"T" = "340"

T + 3 = 340

Not Verified!

If you mean T^3 than t=7. Otherwise t=114.333333

Which solution is best represented by the inequality? please help

25x + 15 ≥ 395

A Susan needs to save up enough money to repair her car. She has already saved $25 and can save another $15 per week. How many weeks will it take for Susan to save enough for auto repairs?

B James has his eye on a new stereo. The one he really wants is $395. James has already saved $15 and can save an additional $25 per week. How many weeks (x) will it take for him to save enough to purchase the stereo?

C Susan needs to save up enough money to repair her car. She has already saved $15 and can save another $25 per week. How many weeks will it take for Susan to save enough for auto repairs?

D James has his eye on a new stereo. The one he really wants is $395. James has already saved $25 and can save an additional $15 per week. How many weeks (x) will it take for him to save enough to purchase the stereo

Answers

Answer: B

Step-by-step explanation: James needs $395 or more, so it can't be A or D because those problems don't mention 395$. B is saying that he already has $15, and can save 25$ per week, (x represents the number of weeks) while D is saying he already has 25$ and can save 15$ per week.

It’s B because James already had 395 and he needs less then or equal to 395 and he already has 15 saved but he gets and additional 25 because it 25x meaning that’s him getting $25 more already having $15 saved up

What is the VARIABLE in this expression: 4b + 8 *

Answers

Answer:

b is the variable!!

Step-by-step explanation:

Answer:

im 99% sure b is the variable

Multiply the pairs of numbers and match them with their products. Tiles (-5)(4.2) (-7)(-3) (4) (5) (2.5)(-9) Pairs 22.5 21 -22.5 -21 111

Answers

Here are the pairs matched with their products:

- (-5)(4.2) matches with -21

- (-7)(-3) matches with 21

- (2.5)(-9) matches with -22.5

Pairs (4) and (5) do not have corresponding products in the given options.

The products of the given pairs of numbers are:

(-5)(4.2) = -21

(-7)(-3) = 21

(4)(5) = 20

(2.5)(-9) = -22.5

So, the pairs of numbers and their products are as follows:

(-5)(4.2) = -21 matches with -21.

(-7)(-3) = 21 matches with 21.

(4)(5) = 20 matches with 20.

(2.5)(-9) = -22.5 matches with -22.5.

I hope this helps!

what is 7 is ... of 12 ?

Answers

Answer:

calculate the percentage of 7: divide 7 by 1% value (0.12), and you get 58.33% - it's your percentage grade.

Step-by-step explanation:

the answer to this question is 58.33

PLZ PLZ PLZ PLZ PLZ PLZ HELP ME I DONT UNDERSTAANDDDD I NEED ANSWERS SOME OF THEM I ACCIDENTLY CLICKED ON WHEN I TOOK THE PICTURE PLZZZZZZZZZZZZZZZ X

Answers

Answer:

3rd option

Step-by-step explanation:

Answer:

answer: 706.5

Hope that helps!

The square root of 72 is between which two whole numbers?
A.5 and 6
B.6 and 7
C.7 and 8
D.8 and 9

Answers

Answer:

The answer is D

Step-by-step explanation:

D- sqrt72 is between two perfect squares: sqrt64 and sqrt81 which equal 8 and 9 respectively. This allows us to assume that sqrt72 is between 8 and 9 becuz 72 is between 64 and 81. Hope this helps!

Charlotte bought 1/3 of a kilogram of clay for the students in her pottery class. She then divided the clay evenly into pieces that were 1/6 of a kilogram. Into how many pieces did Charlotte divide the clay?

Write your answer as a fraction or as a whole or mixed number.

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Answer:

Step-by-step explanation:

A man buys a washing machine at 10000 after few years he sells it at 6500n find his loss or gain percentage?

Answers

Answer: The man has lost 35% on his investment.

Answer: he lost 35%

Step-by-step explanation:

2 divided by 3 converted into a decimal and percent. (Show your work)

Answers

2/3 converted to a decimal makes 0.67(when rounding up) ans in percentage you just multiply your decimal number by 100% making your answer 67%

Answer:

2/3=0.67

2/3x100=67%

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-3(4x+5) please help​

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-3(4x+5) please help