MATHEMATICS HIGH SCHOOL

4)The temperature dropped 3 degrees every hour for 3 hours. Write an expression and write an
integer to represent the total temperature change.

Answers

Answer 1
Answer:

Answer:

I think the integer that represents the change in temperature is -15.
Answer 2
Answer:

Final answer:

The expression representing the temperature change is 3 * -3, and the total temperature change, calculated from this, is -9 degrees.

Explanation:

In this problem, we are given that the temperature dropped 3 degrees every hour for a total of 3 hours. To find the total temperature change, we must multiply the number of hours by the change in temperature every hour. So, the expression to represent this situation is 3 * -3.

To find the total temperature change, we plug in the given numbers into the expression. This results in -9. The negative sign indicates a drop in temperature. So, the integer representing the total temperature change is -9 degrees.

Learn more about Temperature Change here:

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Write the word sentence as an inequality, a number m multiplied by 4 is greater than 12

Answers

The given word sentence is m > 3

What is inequality ?

inequality, In mathematics, a statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.

"A number m multiplied by 4 is greater than 12"

"A number m" ⇒ m

"multiplied by" ⇒ ×

"4" > 4

"is greater than"⇒ >

"12" ⇒ 12

put this together and we get

m × 4 > 12

or

4m > 12

it can be simplified to   m > 3 if you would like.

To learn more about inequality from here

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"A number m multiplied by 4 is greater than 12"

"A number m" \rightarrow m
"multiplied by" \rightarrow *
"4" --> 4
"is greater than" \rightarrow >
"12" \rightarrow 12

put this together and we get
m * 4 > 12
or
4m > 12


it can be simplified to m > 3 if you would like 

If one of the zeros of 3x^2+5x+γ=0 is 4 times the other, then find the zero and value of k

Answers

Answer:

Step-by-step explanation:

Let α be one of the zeros of the polynomial.

Other = 4α

α + 4α = - Coefficient of x / Coefficient of x² = -5/3

5α = -5/3

α = -5/3*5

α = -1/3

α * 4α = Constant term/Coefficient of x²

4α² = k / 3

4*((-1)/(3))^(2)=(k)/(3)\n\n4*(1)/(9)=(k)/(3)\n\n4*(1)/(9)*3=k\n\n4*(1)/(3)=k\n\nk=(4)/(3)

Benone would finish mower garden in 8 hours. Pandele would finish in 10 hours mowing same garden. How long would finish mower garden together?

Answers

Benone-(1)/(8)\ mower\ garden\ per\ hour\n\nPandele-(1)/(10)\ mower\ garden\ per\ hour\n\n(1)/(8)+(1)/(10)=(*)\n\nfind\ LCD((1)/(8);\ (1)/(10))\n\nList\ of\ the\ multiples\ of\ 8:0;\ 8;\ 16;\ 24;\ 32;\ \boxed{40};\ 48;...\nList\ of\ the\ multiples\ of\ 10:0;\ 10;\ 20;\ 30;\ \boxed{40};\ 50;\ ...\n\nLCD((1)/(8);\ (1)/(10))=40\n\n(1)/(8)=(1\cdot5)/(8\cdot5)=(5)/(40);\ (1)/(10)=(1\cdot4)/(10\cdot4)=(4)/(40)

(*)=(5)/(40)+(4)/(40)=(9)/(40)-together\ per\ hour

t-time\ when\ together\ finish\ the\ garden\n\n(9)/(40)\cdot t=1\ \ \ \ \ \ |multiply\ both\ sides\ by\ (40)/(9)\n\n\boxed{t=(40)/(9)\ (h)=4(4)/(9)\ h=4h+(4)/(9)h=4h+(4)/(9)h=4h+(4)/(9)\cdot60\ min\approx4h27min}
In 1 hour, Benone _ _ _ g / 8 ;
In 1 hour, Pandele _ _ _ g / 10 ;
= = = = = = = = = = = = = = = = =
In 1 hour, Benone and Pandele  _ _ _ g / 8 + g / 10 = 5g / 40 + 4g / 40 = 9g / 40;
Benone and Pandele would finish garden together in 40 / 9 hours = 4 hours 26 minutes 40 seconds;

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Plssss help im stuck on this and correct only please for brainliest

Answers

it B i took the pre test

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Answers

Amount of money Mina has : £3.20

Half of her money : ½ × 3.20 = £1.6

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Which of the following describes a rigid motion transformation?A. enlarging a photo
B. spinning a spinner
C. filling a tire with air
D. slicing a log into sections

Answers

Rigid motion transformation is also called isometry and is a term that describes moving the plane such that the relative position of the points and the distance between them stays the same.There are four types of rigid motion: translation, rotation, reflection and glide reflection. B. Spinning a spinner is a rigid motion, because all point of the spinner stay at the same point and the distance between is the same regardless the spinning.

Answer:

The answer is spinning a spinner
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