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Ymorist [56]
2 years ago
14

WILL MARK BRAINLIEST HELP ASAP ASAP

Mathematics
1 answer:
Alina [70]2 years ago
5 0

Answer:

B

Step-by-step explanation:

I got this answer correct on a test

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Maria created a graph of B(t), the temperature over time. For the interval between t = 3 and t = 7, the average rate of change i
Andrew [12]

Answer:

C. The temperature was 32 degrees higher when t = 7 than when t = 3

Step-by-step explanation:

cause i big brain

4 0
3 years ago
Jynessa wants to order these fractions: 4/9, 2/3, 1/6, -2 1/2 What should she use as her common denominator?
IceJOKER [234]
4/9 , 2/3, 1/6, ....-2 1/2 = - 5/2

common denominator is 18
8 0
3 years ago
Read 2 more answers
Your beginning balance on your lunch account is $42. You buy lunch for $1.80 every day and sometimes buy a snack for $0.85. Afte
tangare [24]

Answer:

The answer to your question is: I bought 7 snacks

Step-by-step explanation:

Data

beginning balance = $42 = b

lunch = $1.80  = l

snack = $ 0.85  = s

final balance = $0.05 = f

                        f = b - 1.8l - 0.05s

                     0.05 = 42 - 1.8l - 0.85s

After 20 days I spent = 1.8(20) in lunches = $36

                    0.05 = 42 - 36 - 0.85s

                   0.05 = 6 - 0.85s

                  0.05 - 6 = -0.85s

                  -5.95 = -0.85s

                  s = -5.95/-0.85

                  s = 7

         

4 0
3 years ago
Writeanequationforthelinethatpassesthrough(4,-3)and has a slope of 3.
djyliett [7]

Answer:

x+y=1 (if x=4 )

4+y=1

y=1-4

y=-3

7 0
2 years ago
Read 2 more answers
18) If the straight line y=m X touches the circle (x - 2)^2 + (y - 6)^2 = 4, then m= ......
fenix001 [56]

Answer:

(8) d. 4/3    (9) a. (X - 4)^2 + (y-4)^2= 25

Step-by-step explanation:

8. CENTER OF CIRCLE: O (2,6)

     radius of circle : r = √4 = 2

if m = 4/3 line: y = 4/3 x

perpendicular distance (d) from center of circle to line y = 4/3 x is

d = |((4/3 x 2) + (-1) x 6)| / √((4/3)² + (-1)²) = |(-10/3)| / √(25/9) = (10/3) / (5/3) = 2

d = r means line touch with circle

9. center of circle is the intersection of the diagonals of rectangle (4,4) and its radius is 5 (illustrated)

the equation of circle: (X - 4)^2 + (y-4)^2= 25

8 0
3 years ago
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