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Softa [21]
4 years ago
11

Write an equivalent expression for -(3b+2)+4

Mathematics
1 answer:
Lerok [7]4 years ago
4 0

Answer:

-3b+2

Step-by-step explanation:

-3b-2+4

-3b+2

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Arthur is putting a tile floor in this room. The tiles are 1 foot on each side. Half of the tiles will be dark brown tiles that
TEA [102]
Hey. Let me help you on this one.

As the question says, the area of the floor surface is 17 feet by 9 feet. Each floor tile is 1 foot in length, and 1 foot in width. We know that the area of one tile is 1^{2}ft squared if we substitute numbers into the square area formula and solve it.

S=a*b
S=1*1
S=1

We understand that each tile costs a different amount of money, so that's why we need to set up an equation we can later solve. For this; however, we will need to know the complete area of the floor since this is going to be our total.

In order for us to solve for the total area, we have to use the same area formula we used a step ago.

Length of the floor is 17 feet, while the width is 8 feet. Let's multiply them together.

S=a*b
S=17*8
S=136

Awesome! We know the complete area of the floor as the whole, which is 136 feet squared, and area of the individual tile is 1 foot squared.

If we divide 136 by 1, we will determine the amount of square tiles within the floor. 136 divided by 1 is 136, meaning that there are 136 tiles in the floor.

Now, let's form the solution that will show both prices and amounts of the tiles. Our first initial step is to find out how much one half of 136 is. We can do it by finding 50% of 136.

0.5*136=68

One half of 136 is 68, meaning that 68 tiles will cost 58 cents each, and that other 68 tiles will cost 49 cents each. Let's form the solution which we can then solve.

(68*58)+(68*49)
3944+3332=7276

Answer: 7276 cents, or $72.76 is the price of the floor.


7 0
3 years ago
Read 2 more answers
PLEASE HELPP ME IT"s DUE TODAY!!!!!
pishuonlain [190]

Answer:

since -5 and -5 are the same number, they are on the same y axis so the only distance we need to calculate is between the X coordinates

so when looking for distance you can not have a negative what |-3|+|9| is looking for is the distance from 0 on the X axis since distance can't be negative, (you go 3 miles away from your house in one direction, vs 3 miles in the opposite both ways is positive, even with opposite directions same with axis, it doesnt matter which way, only the number.) you need the absolute value of -3 to get the distance from the 0 on the x axis

short version: distance is positive and its adding the distances from the x axis to get distance from each other

Step-by-step explanation:

5 0
2 years ago
PLEASE HELPPPP THIS IS DUE ASAP I WILL GIVE BRAINLIEST!!’n
Neko [114]

Answer:

1/3

Step-by-step explanation:

i/3 chance

4 0
3 years ago
Read 2 more answers
Pyramid A is a square pyramid with a base side length of 9 inches and a height of 10 inches. Pyramid B has a volume of 1,350 cub
Jet001 [13]

Answer:

500%

Step-by-step explanation:

We find the volume of pyramid A

Pyramid A is a square pyramid with a base side length of 9 inches and a height of 10 inches.

Volume = a² h/3

Where a = 9 in

h = 10 in

Volume = 9² × 10/3

Volume = 270 cubic inches

Pyramid B has a volume of 1,350 cubic inches.

Step 2

We compare both volumes

Pyramid A : Pyramid B

270: 1350

= 270/ 1350

= 1 /5

Hence, Pyramid B is 5 times bigthan ger pyramid A

In percent, it is the volume of Pyramid B 500% bigger than Pyramid A

8 0
3 years ago
Give me a correct answer, My answer probably wrong.
Georgia [21]

Hello!

This is a problem about the general solution of a differential equation.

What we can first do here is separate the variables so that we have the same variable for each side (ex. dy with the y term and dx with the x term).

\frac{dy}{dx}=\frac{x-1}{3y^2}

3y^2dy=x-1dx

Then, we can integrate using the power rule to get rid of the differentiating terms, remember to add the constant of integration, C, to at least one side of the resulting equation.

y^3=\frac{1}{2}x^2-x+C

Then here, we just solve for y and we have our general solution.

y=\sqrt[3]{\frac{1}{2}x^2-x+C}

We can see that answer choice D has an equivalent equation, so answer choice D is the correct answer.

Hope this helps!

3 0
3 years ago
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