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WINSTONCH [101]
3 years ago
14

Someone please help!!!!​

Mathematics
1 answer:
Ber [7]3 years ago
3 0

Answer:

60

Step-by-step explanation:

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8(19-17) number- number
STatiana [176]

Answer:

16

Step-by-step explanation:

8(19-17)=8(2)=16

7 0
3 years ago
Make a frequency distribution and find the relative frequencies for the following number set. Round the relative frequency to th
Mandarinka [93]
Number......frequency.....relative frequency
10                  2                    2/24 = 8.3%
20                  2                    2/24 = 8.3%
30                  4                    4/24 = 16.7%
40                  2                    2/24 = 8.3%
50                  3                    3/24 = 12.5%
60                  5                    5/24 = 20.8%
70                  3                    3/24 = 12.5%
80                  1                    1/24 = 4.2%
90                  2                    2/24 = 8.3%
total :           24
7 0
3 years ago
The cost of hiring a taxi consists of a fixed cost of $3 plus $0.5 per kilometer distance travelled. Write an expression in term
irinina [24]

Answer:

The required expression is:

  • y = 0.5x + 3

Please check the attached graph too.

Step-by-step explanation:

The slope-intercept form of the linear or line function

y = mx+b

where

  • m is the rate of change or slope
  • b is the y-intercept

In our case,

The cost of hiring a taxi consists of a fixed cost of $3. It means the fixed cost of $3 is the initial condition.

Thus, the y-intercept b = 3

It is stated that the cost of per kilometer distance = $0.5

Thus, the rate of change or slope m = 0.5

As y represents the cost and x represents the number of kilometers.

so substituting m = 0.5 and b = 3 in the slope-intercept form of the linear or line function

y = mx+b

y = 0.5x + 3

Thus, the required expression is:

  • y = 0.5x + 3

Please check the attached graph too.

5 0
3 years ago
Max installed a motion detector on the shed that illuminates a semicircle with a radius of 12 ft. What is the area of the yard t
Jobisdone [24]
You didn't give enough information. We don't know the yard size.
5 0
3 years ago
For the expression: ( a+b/b − a/a+b )÷( a+/a − b/a+b ) Find the domain. AND Prove that for all admissible values of a, the value
olya-2409 [2.1K]

Step-by-step explanation:

((a+b)/b − a/(a+b)) ÷ ((a+b)/a − b/(a+b))

To find the domain, remember that any denominators can't be 0.

b ≠ 0

a + b ≠ 0

a ≠ 0

(5/(a+1) − 3/(a−1) + 6/(a²−1)) × (a+1)/2

Distribute the a+1.

(5 − 3(a+1)/(a−1) + 6/(a−1)) / 2

Factor out 1/(a−1).

(5(a−1) − 3(a+1) + 6) / (2(a−1))

Simplify.

(5a − 5 − 3a − 3 + 6) / (2a−2)

(2a−2) / (2a−2)

1

8 0
3 years ago
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