90 < x < 180 is my range and my answer is 0.6 for it to be correct is it positive or negative?

Answers

Answer 1

Answer: It doesn't matter. It can't be correct either way.

The range says that 'x' is a number between 90 and 180.

Neither -0.6 nor +0.6 is between 90 and 180.

Answer 2

Answer:

do you mean like are the numbers positive or negative?

It is more than 90 and less than 180 so the two numbers could be 96 x 0.00625

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Factor this expression completely. 8r6 + 27s12

Evaluate and solve for the variable and show your work please. x – 7 = 4 + 10

12 – c = 8

–4 – 10 = 4y + 3y

–42 + 20 = –2x + 13x

Answers

x – 7 = 4 + 10 (x=21)

x−7=4+10

x+−7=4+10

x−7=(4+10)(Combine Like Terms)

x−7=14

Step 2: Add 7 to both sides.

x−7+7=14+7

x=21

---------------------------------------------------

12−c=8 (c=4)

12+−c=8

−c+12=8

Step 2: Subtract 12 from both sides.

−c+12−12=8−12

−c=−4

Step 3: Divide both sides by -1.

−c

−1

−4

−1

c=4

----------------------------------

−4−10=4y+3y (y=−2)

−4+−10=4y+3y

(−4+−10)=(4y+3y)(Combine Like Terms)

−14=7y

Step 2: Flip the equation.

7y=−14

Step 3: Divide both sides by 7.

−14

y=−2

------------------------------------

-42=20=-2=13x (x=−2

Simplifying

-42 + 20 = 2x + 13x

Combine like terms: -42 + 20 = -22

-22 = 2x + 13x

Combine like terms: 2x + 13x = 15x

-22 = 15x

Solving

-22 = 15x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-15x' to each side of the equation.

-22 + -15x = 15x + -15x

Combine like terms: 15x + -15x = 0

-22 + -15x = 0

Add '22' to each side of the equation.

-22 + 22 + -15x = 0 + 22

Combine like terms: -22 + 22 = 0

0 + -15x = 0 + 22

-15x = 0 + 22

Combine like terms: 0 + 22 = 22

-15x = 22

Divide each side by '-15'.

x = -1.466666667

Simplifying

x = -1.466666667

x=21
c=4
x=-2
I have attached the worked out problems as well hope it helps!

F (x + 3)2 = 42, what is the approximate positive value of x? 0.48
3.48
5.48
6.48

Answers

Answer:

3.48

Step-by-step explanation:

I took the test.

A savings account accrues interest at a rate of 3.0% yearly. If someone opens an account with $2,500, how much money would the account have after 5 years?

Answers

$3\%=(3)/(100)=0,03\n\n First\ year:2500+2500*0,03=2500+75=2575\n\nSecond\ year:\ 2575+2575*0,03=2575+77,25=2652,25\n\nThird\ year:\ \ 2652,25+2652,25*0,03=2652,25+79,5675=\n\n2731,8175\n\n Fourth\ year: 2731,8175+2731,8175*0,03=2731,8175+81,954525\n\n=2813,772025\n\nFifth\ year:\ 2813,772025+2813,772025*0,03=\n\n2813,772025+84,41316075=2898,18518575\$$

The amount of a 500 g sample of a radioactive substance that remains over time is given by the equation , where d is the number of days since the sample weight was 500 g.A or B?
A.
linear model
B.
nonlinear model

Answers

Non-linear

The line should be an exponential function, as it halves in mass every time a certain amount of time has passed.

Which key features of the function representing the nail’s travel can be used to determine the amount of time it takes for the nail to reach the same orientation it had when it entered the tire?

Answers

Answer:

the function's period

Step-by-step explanation:

A periodic function has the same values in the same sequence for each period of the function. The nail will return to the same orientation after any integer number of full periods of the function.

A school club is raising money for a trip, and needs to reach $10,000. Their fundraising progress is modeled by the function f(x) = 435 + 1200x, where x is measured in weeks. What is the meaning of the coefficient 1200?

Answers

f ( x ) = 435 + 1200 x
They had $435 to start with ( b = 435 ) and 1200 is the slope ( m ) in the formula:
y = m x + b
The coefficient 1200 means the money they get per one week ( $1,200 ).
We can also solve the equation:
10,000 = 435 + 1,200 x
1,200 x = 9,565
x = 9,565 : 1,200 = 7.97 ≈ 8 weeks

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