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Serga [27]
2 years ago
15

2 4.2.3 Quiz: Slope Intercept Equation of a Line

Mathematics
1 answer:
lions [1.4K]2 years ago
7 0
Substitute 2 into x in the equation so f(x)= 5x2 -12 = -2 so it’s C = -2
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the temperature in an experiment is increased at a constant rate over a period of time until the temperature reaches 0 degrees c
dsp73

Answer:

x = 28 (So it takes 28 hours for the temperature to reach 0°C.)

y = -70 (So the temperature when the experiment begins is −70°C.)

Step-by-step explanation:

To find the the x value, you remove the y value or replace it with 0.

0 = 5/2x - 70

Next you move the variable.

70 (2/5) = x           (multiply 70 by 2 to get 140 and divide that by 5)

And now you simplify to get:

28

To find the y value, you remove the x value or replace it with 0.

y =  0 - 70

And now you simplify to get:

-70

x = 28

y = -70

7 0
2 years ago
Read 2 more answers
Where y=5x-7 and -3x-2y=-12 Write your answer as x,y
Mariulka [41]

Answer:

(x,y) = (2,3)

Step-by-step explanation:

y=5x-7                  (i)

-3x-2y= -12          

-(3x+2y)= -12

3x+2y= 12            (ii)

By putting the value of y from (i) in (ii)

3x+2(5x-7)=12

3x+10x-14=12

13x=12+14

13x= 26

x = \frac{26}{13}

x= 2

By putting the value of x in (i)

y= 5(2)-7

y= 10-7

y= 3

(x,y) = (2,3)

5 0
2 years ago
Betty bucket has 49000 clovers and Clover has 569000 clover how many do they have in all?
Lilit [14]

Answer:

618000

Step-by-step explanation:

just add

5 0
2 years ago
Read 2 more answers
What are co primes and primes Hrishiiiii pls help me​
Anon25 [30]

Answer:

SEE BELOW

Step-by-step explanation:

Coprime numbers:

A Co-prime number is a set of numbers or integers which have only 1 as their common factor.

For eg: (2,3), (11,12), (99,100) and so on; they have 1 as their HCF. The sum of any two coprime numbers is always coprime with the product of the same two coprime numbers. For eg: The sum of 2 and 3 is 5 and the product of 2 and 3 is 6. Hence, 5 and 6 are coprime numbers.

Prime number

A number that can be divided exactly only by itself and 1, for example 7, 17 and 41

8 0
2 years ago
Solve for the value of p.<br> (6p-2)<br> न<br> (3p-7)|
Westkost [7]

Answer:

The sum of angles on a straight line is 180 degrees.

Therefore,

(6p-2)+(3p-7)=180

6p-2+3p-7=180

9p-9=180

9p=189

p=21

7 0
2 years ago
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