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m_a_m_a [10]
3 years ago
13

In a race, the mean time for three runners was 12.4 seconds and the mean

Mathematics
1 answer:
Ne4ueva [31]3 years ago
4 0

Answer:

11.8

Step-by-step explanation:

3(12.4) + 6(11.5) =  37.2 + 69 = 106.2

106.2/9 = 11.8

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Find the x-intercept:
egoroff_w [7]

Answer:

64

Step-by-step explanation:

3 0
3 years ago
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I need help with these please
notsponge [240]

Answer:

1a - no

1b - yes

1c - no

2 - 1.5 grams of protein

3 - a solution to this equation tells us how many grams of protein/fat there could be depending on how many grams of the other there are. a solution to this is 6 grams of protein and 4 grams of fat.

Step-by-step explanation:

1a

4(5)+9(2)=60

20+18=60

38=60

the equation is false

1b

4(10.5)+9(2)=60

42+18=60

60=60

the equation is true

1c

4(8)+9(4)=60

32+36=60

68=60

the equation is not true

2

plug in 6 for the f value

4p+9(6)=60

4p+54=60

subtract 54 from both sides

4p=6

divide both sides by 4 to get p alone

p=1.5

3

a possible solution can be seen by graphing the equation using the intercepts. the intercepts for this equation are (15,0) and (0,6.6). attached is an image of the graph. the points where the line crosses are possible solutions. the line crosses the point (6,4) on the graph, which represents 6 grams of protein and 4 grams of fat. you can also check this by plugging these values into the equation.

4 0
3 years ago
What is 30 / 3what is 30 / 3 ​
mojhsa [17]

30/3 = 10

hope that helps^^

6 0
3 years ago
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The school that Willie goes to is selling tickets to the annual talent show. On the first day of
Alexeev081 [22]

Answer:

11

Step-by-step explanation:

all you need to do is divide 156 dollars by 14 citizen

3 0
3 years ago
The length of a room is 10 and 1/2 feet what is the length of the room in inches
yulyashka [42]
First, 10 1/2 is the same as 21/2

If there are 12 inches in a foot then
21/2*12=126 inches


3 0
3 years ago
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