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Murrr4er [49]
3 years ago
10

What is the slope and point

Mathematics
1 answer:
anygoal [31]3 years ago
8 0

Answer:

Step-by-step explanation:

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Change 45% to a decimal, then a fraction.
ratelena [41]
Decimal Form: 0.45

Fraction Form: 45/100 or 9/20
5 0
3 years ago
Read 2 more answers
A Simple random sample of 100 8th graders at a large suburban middle school indicated that 84% of them are involved with some ty
Setler [38]

Answer: a) (0.755, 0.925)

Step-by-step explanation:

Let p be the population proportion of 8th graders are involved with some type of after school activity.

As per given , we have

n= 100

sample proportion: \hat{p}=0.84

Significance level : \alpha= 1-0.98=0.02

Critical z-value : z_{\alpha/2}=2.33  (using z-value table)

Then, the 98% confidence interval that estimates the proportion of them that are involved in an after school activity will be :-

\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

i.e. 0.84\pm (2.33)\sqrt{\dfrac{0.84(1-0.84)}{100}}

i.e. \approx0.84\pm 0.085

i.e. (0.84- 0.085,\ 0.84+ 0.085)=(0.755,\ 0.925)

Hence, the 98% confidence interval that estimates the proportion of them that are involved in an after school activity : a) (0.755, 0.925)

3 0
3 years ago
Find the 7th term of the geometric sequence with the given terms.
ohaa [14]

Answer:

1. 1458

2. 500 or -500

Step-by-step explanation:

1. a4=54, a5=162

r = 162/54 = 3

a7 = a5 × r²

= 162 × 3² = 1458

2.a4=-4, a6=-100

r² = -100/-4 = 25

r = +/- 5

a7 = a6 × r

= -100 × +/- 5

= +/- 500

3 0
4 years ago
The cost for a company to produce a part for d days is represented by the function f(d)=325d + 8,795. What does the value 8,795
Anna007 [38]

Answer:

C

Step-by-step explanation:

A, B are wrong since 8,795 is a constant, it doesn’t change;

D is wrong since it is the starting cost, not total cost

4 0
3 years ago
Determine whether each set of ordered pairs shown below is from a geometric sequence or from an arithmetic sequence.
Drupady [299]
The answer is (150,1) (2,112.5) and the last is (3,84) that’s the answer
5 0
2 years ago
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