|r|=-2 solve the equation and graph the solution if possible

Answers

Answer 1

Answer: That bracket symbol, with an r in it, means "the absolute value of r".
So r's absolute value is -2 meaning r is two units from zero
r= 2

Answer 2

Answer:

Final answer:

The equation |r| = -2 has no solution, and the graph does not exist.

Explanation:

To solve the equation |r| = -2, we need to consider the absolute value. The absolute value of any number is always positive or zero, so it can never be negative. Since there is no number whose absolute value is -2, the equation |r| = -2 has no solution.

Graphically, the equation represents the absolute value function, which is always positive or zero. Therefore, the graph of |r| = -2 does not exist on the coordinate plane.

Learn more about Absolute Value here:

brainly.com/question/18731489

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What is the value of the expression 6 mutipled{[(14-9)mutipled 3] +[(17-9)mutipled by 2]}

Answers

Answer:

106

Step-by-step explanation:

6*(5*3)+(8*2)=6*(15)+(16)=90+16=106

Answer:

Step-by-step explanation:

6 times 3 is 18??

The total rainfall in forks , washington, october was 8 3/8 in. in september ,60% less rainfall fell in October how much rain fell in spetember in forks, washington?

express your awnswer in simplest form

Answers

Rainfall in October in Forks, Washington = 8 3/8 inches
= 67/8 inches
Percentage of rainfall that has fallen less in September in Forks, Washington = 60%
Let us assume the amount of rainfall in September in Forks, Washington = x
Then
100x/60 = 67/8
10x/6 = 67/8
5x/3 = 67/8
5x * 8 = 67 * 3
40x = 201
x = 201/40
= 5 1/40 inches
So the amount of rainfall in September in Washinton is 5 1/40 inches.

boris currently has $1200 in his saving account.. he saves$25 per month.he saves the same amount each month and does no take any money out of the account.in how many months will boris have $1450

Answers

10 months. First you subtract what is already in possession from what they need: $1450-$1200= $250 Then you would divide how much money is left to earn by how much money is gained every year: $250 divided by $25= 10 months Hope this helps!!

Answer:

Step-by-step explanation:

10 months hope this helps

SOMEBODY PLS HELP ME
URGENT!!!!!!!!!!

Answers

1. The dimensions of the tank should be 20 by 20 by 20. The hint is telling you that a tank that is 2 by 2 by 2 has a volume of 8, so, if you increase the size of the dimensions, you can reach 8,000 with the same digit of 2. Don't forget that the formula for the volume of a rectangular prism is lwh.

2. Since our aquarium is a square tank that is 20 by 20 by 20, each side on the top is 20 inches long. We have 4 sides, so the perimeter is 4 x 20, or 80. The perimeter of the top of our tank is 80 in². As for the base, we already know that each side is 20, so, in order to find the area of the base, we just multiply 20 x 20 to get 400. The area of the base of the tank is 400 in².

3. Another rectangular prism with a volume of 8,000 might have dimensions of 40 by 20 by 10. These, multiplied together, equal 8,000, using the formula for the volume of a rectangular prism.

To find the dimensions of the rectangular prism that equal 8,000, I mostly just use trial and error. It helps if you think about it as 8, as shown in the first problem, or if you list the factors of 8. For instance, for number 3, I just used the factors of 8 to find some possible dimensions.

8 - 1, 2, 4, 8
For number 3, I used the factors 1, 2, and 4. To change it from 8 to 8,000, I just changed 1 to 10, 2 to 20, and 4 to 40.

Hope this helps!

InstructionsSearch your home for a rectangular prism. Some examples are a cereal box, a CD case, or a coffee table. Measure your prism using appropriate units, such as inches, centimeters, or feet. Complete the following. Show all work for calculations.1. List the dimensions of your box. Be sure to include the units (in, cm, ft, etc.).2. Describe the shape of the cross section when the box is cut parallel to the base.3. What is the surface area of the box? 4. What is the surface area of the box if it is scaled up by a factor of 10?5. What is the volume of the box?6. What is the volume of the box if it is scaled down by a factor of $1/10$?Can I get Help Please

Answers

So far, you've requested an activity, a description, and seven numerical answers, all in return for five points. Suppose you come back and tell us a little bit about which parts you're having some trouble with, and we can focus on those.

Answer:

Rectangular prism

I chose a box of cereal.

Part 1)List the dimensions of your box. Be sure to include the units (in, cm, ft, etc.).

Length: 20 cm

Width: 8 cm

Height: 32 cm

Part 2).

Describe the shape of the cross-section when the box is cut parallel to the base.

The shape of the cross-section would be a rectangle in dimensions.

20 cm x 8 cm

Part 3)

What is the surface area of the box?

surface area=2*area of the base + perimeter of the base*height

area of the base=20*8=160 cm²

perimeter of the base=2*[20+8]-----> 56 cm

height=32 cm

surface area=2*160+56*32------> 2,112 cm²

the answer part 3) is

2,112 cm²

Part 4)

What is the surface area of the box if it is scaled up by a factor of 10?

we know that

surface area of the larger box =[scale factor]²*surface area original box

scale factor=10

surface area original box=2,112 cm²

surface area of the larger box=10²*2,112-----> 211,200 cm²

the answer part 4) is

211,200 cm²

Part 5)

What is the volume of the box?

volume of the box = L*W*H 20*8*32-5,120 cm³

the answer Part 5) is

5,120 cm³

Part 6)

What is the volume of the box if it is scaled down by a factor of 1/10?

we know that

the volume of the smaller box =[scale factor]³volume original box

scale factor=1/10

volume original box=5,120 cm³

volume of the smaller box =[1/10]³*5,120 5.12 cm³

the answer part 6) is

5.12 cm³

The length is 6 in., the width is 2 in., and the height is 16 in.

What is the answer to nx6=72

Answers

$n*6=72$
$6n=72$
$(6n)/(6)=(72)/(6)$
$n=12$

Answer:

Step-by-step explanation:

72/6=12

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