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Liula [17]
3 years ago
6

The mean life of a tire is 30,000 km. The standard deviation is 2000 km. 95% of all tires will have a life between___ km and ___

km.
Mathematics
2 answers:
Llana [10]3 years ago
7 0

Answer:Need more infromation

omeli [17]3 years ago
7 0

Answer:

Between 26,000 and 34,000 km.

Step-by-step explanation:

95% of a data set will be within 2 standard deviations of the mean.

Therefore, the range will be from "μ - 2σ" to "μ + 2σ".

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Select the statement that best justifies the conclusion based on the given information.
CaHeK987 [17]

9514 1404 393

Answer:

  c. If a plane contains a line, it contains the points on the line.

Step-by-step explanation:

The only statement relating a point on a line to the plane containing the line is the one shown above.

_____

<em>Additional comment</em>

Identifying true statements is a reasonable strategy for many multiple-choice questions. Another strategy that can be employed is finding the one true statement that is <em>relevant to the question being asked</em>.

8 0
2 years ago
Which ordered pair is a solution of the equation?<br> Y-4=7(x-6)
deff fn [24]

Answer:

(6,4)

Step-by-step explanation:

The equation is in 'point-slope' form.

y-y_1=m(x-x_1)\\\rule{150}{0.5}\\(x_1,y_1) \rightarrow \text{a point that's given}\\\\m \rightarrow \text{slope}

This means we can identify the point that was used in the equation.

y-\boxed{y_1} =m(x-\boxed{x_1}) | y-\boxed{4}=7(x-\boxed{6})\\\rule{210}{0.5}\\y_1 = 4\\\\x_1 =6\\\rule{210}{0.5}\\(x_1,y_1) \rightarrow \boxed{(6,4)}

(6,4) would be a solution to the equation given.

Hope this helps.

4 0
2 years ago
Ms. Jackson is planning a class party for her 25 students. She will be serving apple juice. If she serves 250ml of juice to each
AnnyKZ [126]

Answer:

us 25 divided by 250 i guess

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
If f(x) = x + 6, g(x) = 3x and h(x) = 10/x , find the value of f^-1(g(h(5))).
NNADVOKAT [17]
Start from inside to the out side of the function;
h(5)=10/5=2
g(h)=g(2)=3*2=6
now, get the f inverse of x;
f(x)=y=x+6
x=y-6
replace x with y and y with x
y=x-6
so f^-1= x-6
so f^-1(g)=f^-1(6)=6-6=0
I am not sure only of the last value, but pretty sure of the rest.
3 0
3 years ago
Simplify 4/8 divided by 3/-8 A: -32/21 B: -3/14 C: 3/14 D: 32/21
IRINA_888 [86]

Answer:

- 1 1/3 which is none of the answers loll

3 0
2 years ago
Read 2 more answers
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