MATHEMATICS HIGH SCHOOL

Wren recorded an outside temperature of –2°F at 8 a.m. When she checked the temperature again, it was 4°F at 12:00 p.m. If x represents the time and y represents the temperature in degrees Fahrenheit, what is the slope of the line through these two data points?a.–1.5

b.–0.5

c.0.5

d.1.5

Answers

Answer 1
Answer:

Let consider time on x-axis and temperature ony-axis.

The x-axis starts from “0” corresponds to “8 a.m”.Thus after 4 hours, the time will be “12pm”. So we have two values on x-axis,one is “0” and another “4”.

For x = 0, or time value = 8am, the temperature value= y-axis value = -2

For x = 4, or time value = 12pm, the temperaturevalue = y-axis value = 4

Thus we got two points (0,-2) and (4,4).

Now using slope formula = (y2 –y1) / (x2 –x1)

Slope = (4-(-2)) / (4 -0) = 6/4 = 1.5
Answer 2
Answer:

Answer:

1.5 or D on degenuityy

Step-by-step explanation:

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A hot air balloon can hold 90,000 cubic feet of air. It is being inflated at a rate of 6,000 cubic feet per minute. The total cubic feet of air a(t) is a function of the in minutes t. a. Identify the independent and dependent variables. b. What values of the domain and range make sense for this situation? Explain. c. Write a function to represent the total amount of air. Then determine the total amount of air in 6 minutes.
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Hurryyyyy Which point lies on the graph of y = |x - 1|

Modrater give me answer

if 2x- 35273 = 5361925 than find the value of 1x

​

Answers

Answer:

2x - 35273 = 5361925 \n 2x = 5361925 + 35273 \n 2x = 5397198 \n x = (5397198)/(2) \n x = 2698599

\displaystyle\ 2x-35273=5361925\n\n2x=53\underline{61925}+\underline{35273} \n\n2x=5397198\n\n\nx=(5397198)/(2) =2698599\n\n\underline{x=2698599\qquad }\n\n2\cdot 2698599-35273=5361925\n\n5397198-35273=5361925\n\n5361925=5361925

Reduce to lowest term18/24

Answers

a common number is 6 so divide 18 and 24 by 6. you get the total of 3/4 
18/24

Find the HCF of the numerator and denominator and divide them by it.

In this case, its 6


18/24 ÷ 6/6 = 3/4

In one day, Joe consumes 530 calories by drinking 1 serving of juice, 2 servings of milk, and 1 soda. Darius consumes 370 calories by drinking 2 servings of juice and 1 serving of milk. Marian consumes 510 calories by drinking 3 servings of milk and 1 soda. Using matrices to solve, how many calories are in 1 serving of milk?A. 90
B. 110
C. 130
D. 180​

Answers

Using matrices to solve, the number of calories that are in 1 serving of milk is; 110 Calories

How to solve Linear Programming problems?

Let the calories in one serving of milk be x

Let the calories in one serving of juice be y

Let the calories in one serving of soda be z

Thus, for Joe, equation to show amount of calories is;;

2x + y + z = 530    -----(1)

For Darius, equation to show amount of calories is; ;

x + 2y = 370     ------(2)

For Marian, equation to show amount of calories is;

3x + z = 510    ------(3)

Using matrix calculator online to calculate this 3 equations, we have;

x = 110 calories.

Read more about Linear Programming at; brainly.com/question/23414950

#SPJ2

Answer:

the answer is B on ed2020

Step-by-step explanation:

for answer b, if you subtract 330 from 510 you get soda = 180 cal. then if you subtract 110 from 370 you get 260, and 260 divided by two (he consumed 2 juice) equals 130.

so you have soda = 180 cal and juice = 130 cal

if you plug it into joe's calorie intake you do 130 (1 serving of juice) + 180 (1 serving of soda) and + 220 (two servings of milk) you get 530 which is joe's total calorie intake in liquids, so B (110) is correct

Could some one please help with question 9b and 11

Answers

9b. a^4 +2a^2-8=0
factorise
(a^2 + 4)(a^2 - 2)=0
we then get two answers from the brackets
a^2=-4
a= sqrt(-4) or 2j
and the second bracket gives us a^2=2
a= sqrt(2)

11. First expand the brackets.
Ax^3 + Bx^2 - x^2 + Bx +Cx + D
then equate the coefficients, this basically means put all the x^3, x^2 etc values together.
so Ax^3=3x^3 so we know that A=3Then put the x^2 together, so Bx^2-x^2=-x^2 and rearranging this gives B=0
Next we do Bx+Cx = 2x and we know that B is 0 so we can get rid of it and know that C = 2.
finally we can see that D = -7

Help Please ASAP thanks

Answers

your answer would definitely be the 3rd answer choice.
The answer(I hope) is the first one because it is 1/d divided by 1/-1 and that comes out to, 1! Hope this helped!

If 0.00005893 is expressed in the form 5.893 × 10n, what is the value of n ?Can anyone explain this one?

Answers

In the scientific value of 5.893 x 10n. The standard value is 0.00005893 what is n? To better illustrate this phenomenon, we can explain it further under the rules of scientific notation.
For example.
1.  3 x 10^3 = 3 x 100 = 300
2.  3 x 10^-3 = 3 x 0.001 = 0.003

Solution:
0.00005893 = 5.893 x 0.00001 = 5.893 x 10^-5  
n= ^-5
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