Mathematics High School

The temperature, y, of a pot of water is 45 °F. The temperature increases by 30 °F per minute, x, when being heated.

Answers

Answer 1

Answer:

y = 30x + 45

Step-by-step explanation:

The teapot starts of at 45 °F, and every minute, the temperature increases by 30 °F

Related Questions

I need help like fast plz ill give u extra points after this plz i have 10 min to answer this

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Answer:

y=19√3x=38confirm be sure

Help me plsss

And show identity. Thank you:)

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Answer:

see the formula in book

Step-by-step explanation:

change the first 2 brackets into cos sin like that

then after,change both into another formula

sin theta plus cos theta will come ans

On subtracting 8 from -4, we get

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Answer:

Step-by-step explanation:

Remember, when you add two same symbols, the outcome will be positive.

- + - = +

- + + = -

+ - + = +

+ - - = -

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Answers

Answer:

the answer is c

Step-by-step explanation:

if right pls give brainleist

Which shows 8 × 22 rewritten using the Distributive Property?

Answers

8*22 = 22*8

Hope this helps!

Find the greatest common factor of 12c^3 and 20n^4

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Answer:

Step-by-step explanation:

Find the prime factors of each term in order to find the greatest common factor.

Can someone explain this to me please will give brainliest
Bill's new porch is rectangular, with an area of 50 square feet. If the length of the porch is two times the width, what is the perimeter of the porch?
A.30
B.40
C.50
D.60

Answers

the answer is A. for this, you have to set up a system of equations. the first one will be the area equation. since you know area=length x width, your equation will be LxW=50. the next equation is L=2W, since the length is two times the width. then, plug in 2W for the L in the other equation and you get 2W^2=50. divide by 2 and get W^2=25. square root both sides and you get W=5. plug back into the other equation to find L=10. Then, add the sides of the rectangle for the perimeter. 10+5+10+5=30.

If 48% of the students in a certain college are female and there are 2,400 female students, how many students are male?

Answers

Answer:

2,600 male students

Step-by-step explanation:

[tex]\frac{2,400}{0.48} = 5,000[/tex]

There are 5,000 students in total.

Since 2,400 of them are female, the remaining students must be male.

5,000 - 2,400 = 2,600 male students

PLEAS HELP ASAP SOLVE BOTH PROBLEMS IM GIVING 80 POINTS! NO SPAM
answer format: just say a, b, c, or d for both questions; no explanation needed.

question 1:Which of the following is a pair of equivalent radical expressions?
A. √45 and 3√15
B. √75 and 3√5
C. √54 and 9√6
D. √180 and 3√20

Question 2: image attached.

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Answer:

Step-by-step explanation:

Answer: C for the first one and B for the second one

Step-by-step explanation:

hope it helps you

Tom drives 200 miles in 4 hours.
He drives the first 32 miles at an average speed of 64 mph
Work out his average speed for the rest of the journey, in mph.
Please help??

Answers

His average speed for the rest of the journey was of 48mph.

if tom is driving 200 miles in 4 hours... and drives the first 32 miles in half an hour... his speed for the rest of the trip would most likely be 48 mph because 3.5 hours are left and 168 miles are left and when you divide that it comes out to 48.

(50Pts) When using the vertical method to multiply polynomials, your like terms must be lined up in ____________.

descending order
ascending order
columns
rows

Answers

I think you line them up in columns

Answer:

C. Columns

Step-by-step explanation:

It's correct, I took the test and got it right.

Could someone please answer this question for me? (7x+1)+(−8x+2) This answer needs to be simplified. Thanks!

Answers

Answer:

-x + 3

Step-by-step explanation:

(7x+1)+(−8x+2)

7x + -8x + 1 + 2

-x + 3

HELP ME PLEASE!! I DON’T KNOW WHAT I’M DOING

Answers

41u+6

Sorry I don't really know anything about this subject.

Braden logged 3 2/3 hours last week in his reading journal and 2 3/6 hours last week how many fewer hours did Brayden log in his reading journal this week then last week

Answers

Answer:

1 1/6

Step-by-step explanation:

im guessing you need this fast so i wont explain it

Measure Math | Welcome, HAILEE KNOTT
What is another way to write 15 divided by 2?
15
O 15+2
O 15 x 2

Answers

Answer: [tex]15\times\frac{1}{2}[/tex]

Explanation:

Multiplying by 1/2 is the same as dividing by 2.

For example, if you have 10 slices of cake and 2 friends, then each friend gets 10/2 = 5 slices. We could also say [tex]10\times \frac{1}{2} = 5[/tex]

The fraction 1/2 converts to the decimal form 0.5, which means [tex]10 \times \frac{1}{2} = 10*0.5[/tex]

A gym charges an initial fee plus $25 per month. John paid $200 for six months. Assume the relationship is linear.

a.What is the rate of change and what does it mean in context to the situation?
b. What is the initial value and what does it mean and context to the situation?

i will give brainliest!!!!!

Answers

Step-by-step explanation:

a. The rate of change is $33.33 per month

200/6 = approximately $33.33 per month

This means that in addition to the initial fee, Josh has to pay $33.33 per month for the gym membership.

b. The initial value is $25. This is a constant value and a one time fee to open and attain a gym membership.

a NYC street vendor spends $75 a day on supplies it cost the vendor $0.50 to make a pretzel the vendor sells each 3 dollars

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Answer:

very unclear picture, and unclear question. is that really how it's worded?

Step-by-step explanation:

Monique bought 3 boxes of cereal at the grocery store. Each box of cereal costs c dollars. Which equation represents the total amount of money, t, Monique spent on cereal?

Answers

Answer:

3c = t

Step-by-step explanation:

3 cereal boxes is 3c and the total is t. so 3c = t

Answer:

3c = t

3 is the amount of boxes, c is the money, therefore, it is 3c=t, which means c times the number of boxes equals t

find the slope between points (3, 1) and 3, -2)

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Answer:

Step-by-step explanation:

Help pls I need it now

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Answer:

a). 4 + 9x + 17 + 15x

b) 21 + 24x

Step-by-step explanation:

Here, we want to write expressions for the perimeter

Mathematically, this is the sum of the length of the sides

We have this as

4 + 9x + 17 + 15x

b) = 4 + 17 + 9x + 15x = 21 + 24x

statistics is a numerical value summarizing the sample date

true or false

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True szzzzzzzzzzzzzzzzz

THE COFFICENT OF y in term -y /3 is

Answers

Answer:

-1/3

Step-by-step explanation:

hope it helps thanks

Answer:

-1/3

Step-by-step explanation:

how many inches are in 3 yards

Answers

Answer:

108

Step-by-step explanation:

36 inches in a yard

12 inches in 1 foot, 3 feet in 1 yard.

12 * 3 = 36, 36 * 3 = 108

108 inches in 3 yards

Hope this helps!

Which planet in the chart is most likely Earth? Yeah
Does somone no the answer

Answers

Answer:

Kepler-452b has a probable mass five times that of Earth, and its surface gravity is nearly twice as Earth's, though calculations of mass for exoplanets are only rough estimates. If it is a terrestrial planet, it is most likely a super-Earth with many active volcanoes due to its higher mass and density.Step-by-step explanation:

Look at the three dimensional solid below

Answers

Answer:

Step-by-step explanation:

Answer: A

Step-by-step explanation:

Harold is designing a patio with congruent square concrete tiles. He has 72 tiles. Use grid paper to model all the possible rectangular patios Harold could build. Label the dimensions in units. Which patio has the greatest perimeter? The least perimeter?

Answers

Answer:

(a) The possible dimensions are:

1 unit by 72 units; 2 units by 36 units; 3 units by 24 units; 4 units by 18 units; 6 units by 12 units; 8 units by 9 units

(b): Patio with greatest and the least perimeter

The dimension with the greatest perimeter is: 1 by 72

The dimension with the least perimeter is: 8 by 9

Step-by-step explanation:

Given

[tex]Tiles = 72[/tex]

Solving (a): Possible rectangular models

To do this, we simply list out the possible factor pairs of 72.

So, we have:

1 unit by 72 units; 2 units by 36 units; 3 units by 24 units; 4 units by 18 units; 6 units by 12 units; 8 units by 9 units

Solving (a): Models with the least and the greatest perimeter

Perimeter (P) is calculated using:

[tex]P = 2 * (L + W)[/tex]

So:

1 unit by 72 units;

[tex]P = 2 *(1 + 72) = 146 units[/tex]

2 units by 36 units;

[tex]P = 2 *(2 + 36) = 76 units[/tex]

3 units by 24 units;

[tex]P = 2 *(3 + 24) = 54 units[/tex]

4 units by 18 units;

[tex]P = 2 *(4 + 18) = 44 units[/tex]

6 units by 12 units;

[tex]P = 2 *(6 + 12) = 36 units[/tex]

8 units by 9 units

[tex]P = 2 *(8 + 9) = 34 units[/tex]

From the calculations above:

The dimension with the greatest perimeter is: 1 by 72

The dimension with the least perimeter is: 8 by 9

I need it please help

Answers

Answer:

Step-by-step explanation:

1600/800=2 hope it helps

Answer:

i can't see the picture!!!

Step-by-step explanation:

What value of y will make the equation true? The square root of 34 times the square root of y = 34

Answers

y=34 but i’m not sure i hope it’s right luv. N E WAYZ , GOOD DAY IN MY MIND SAFE TO TAKE A STEP OUT

Fill in the blanks. (With picture) 15 pts

(Simplify your answers. Use integers or fractions for any numbers in the expressions.

Answers

Given:

The expression is:

[tex]\left(\dfrac{11}{19}n-8\right)+\left(\dfrac{1}{19}n+10\right)=\left(\_\_\_+\dfrac{1}{19}n\right)+\left(-8+\_\_\_\right)[/tex]

[tex]=\_\_\_n+\_\_\_[/tex]

To find:

The missing values.

Solution:

We have,

[tex]\left(\dfrac{11}{19}n-8\right)+\left(\dfrac{1}{19}n+10\right)[/tex]

It can be written as

[tex]\left(\dfrac{11}{19}n-8\right)+\left(\dfrac{1}{19}n+10\right)=\left(\dfrac{11}{19}n+\dfrac{1}{19}n\right)+\left(-8+10\right)[/tex]

So, the values for the first two boxes are [tex]\dfrac{11}{19}n[/tex] and 10 respectively.

On simplification, we get

[tex]\left(\dfrac{11}{19}n-8\right)+\left(\dfrac{1}{19}n+10\right)=\left(\dfrac{11+1}{19}n\right)+\left(2\right)[/tex]

[tex]\left(\dfrac{11}{19}n-8\right)+\left(\dfrac{1}{19}n+10\right)=\dfrac{12}{19}n+2[/tex]

So, the values for third and fourth boxes are [tex]\dfrac{12}{19}[/tex] and 2 respectively.

Solve for x, rounding to the nearest hundredth.
2^4x = 36

Answers

Answer:

5/4

Step-by-step explanation:

36 is the 5tf power of 2 so we can rewrite the equation as

[tex] {2}^{4x} = {2}^{5} [/tex]

Since the expressions has same base the powers must be equal to

4x = 5 and x = 5/4

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