MATHEMATICS HIGH SCHOOL

PLZ HAAAALPOne winter day, the temperature was -15°F. Later that day, the temperature rose 12°F to reach the high temperature for the day. If t represents the high temperature, what is t?

Answers

Answer 1
Answer:

Answer:

-3°F

Step-by-step explanation:

-15 + 12 = -3

Answer 2
Answer:

Answer:

-3

Step-by-step explanation:

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What figure has one endpoint and continues forever in one direction?

Answers

the figure that has one endpoint and continues forever in one directionn is: A ray Which why it is very common to describe Light as a ray because light could travel as far as it cuold assuming there is no black matter that came and became its hindrance

How do you create a system of inequalities with given restraints?The assignment says:
Julia is deciding how many batches of sugar cookies and how many loaves of banana bread to make. Construct a system of linear inequalities that shows how many batches of sugar cookies (x) and loaves of banana bread (y) she can make with the flour she has but also reflects the fact that she can’t produce negative goods. There are 36 cups of flour available; to make one batch of sugar cookies, Julia needs 2 3/4 cups of flour, and to make one loaf of bread she needs 2 1/2 cups of flour.

Answers

Given:
sugar cookies = x = 1 batch = 2 3/4 cups of flour
loaves of banana bread = y = 1 loaf = 2 1/2 cups of flour

2 3/4 x + 2 1/2 y < 36

the total number of cups of flour used per batch of sugar cookies and loaf of banana bread should not exceed 36 cups of flour.

Trina uses 1/2 of sugar and 3/4 cup of flour in a recipe. How many cups of sugar would she need if she uses 3 cups of flour?

Answers

Answer:

2\ cups\ of\ sugar

Step-by-step explanation:

we know that

Trina uses 1/2 cup of sugar and 3/4 cup of flour in a recipe

so

by proportion

Find how many cups of sugar would she need if she uses 3 cups of flour

((1/2))/((3/4))(cups\ of\ sugar)/(cups\ of\ flour)=(x)/(3)(cups\ of\ sugar)/(cups\ of\ flour)\n \n x=3*(1/2)/(3/4)\n \nx=2\ cups\ of\ sugar
2 cups. You have 4 servings of flour so you need 4 servings of sugar.

Please help. This is Linear systems. If anyone knows how to do it helppp

Answers

Answer:

The given system of linear equations has infinite many solutions.

Step-by-step explanation:

Given equations are

σ-2ζ=3       eqn 1

4σ-8ζ=12   eqn 2

We will use elimination method to solve the linear system

Multiplying equation 1 by 4

4(σ-2ζ) = 4(3)

4σ-8ζ=12

We can see that the both equations in the system are same i.e. we get the same equations by simplifying the equations. The graph of both equations will overlap completely.

This means that the system has infinite many solutions.

Hence,

The given system of linear equations has infinite many solutions.

Problem 1: Conditions for an experimental chemistry reaction require a temperature of 298 K. The temperature in the lab is 55°F. Which of the following must you do to meet the requirements? (°F= 9/5 (K - 273) + 32) A. increase the room temperature by 22°F
B. decrease the room temperature by 12°C
C. decrease the room temperature by 33°F
D. increase the room temperature by 18 K 2. Jim, Jane, Ann, and Bill measure an object’s length, density, mass, and volume, respectively. Which student’s measurement might be in liters?

A. Bill’s

B. Jim’s

C. Jane’s

D. Ann’s

Answers

The correct answer for question 1 is B. To arrive at this answer, use the equation given to convert 55F temperature to Kelvin. The answer will be 285.9K. If you subtract 285 from 298 the answer will be 12. The correct answer for question 2 is A. This is because the unit of volume is liter.

1)     Since 1°F= 9/5 (K - 273) + 32) after the calculus we find 1°F = 255.9 K

The answer is A. increase the room temperature by 22°F, because 55° F + 22° F = 77° and  77° F = 298.1K,

2)     The answer is A: Bill’s. Bill has measured the object’s volume, and the unit of volume is  the liter

can someone help me with this and maybe help answer my other questions bc literally nun of my questions being answered

Answers

Answer:

x-5+10 = 2x-7

the 2 lengths are equal

x+5 = 2x-7

x-2x=-7-5

-x=-12

x= 12
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