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natita [175]
2 years ago
13

Which point is located on the x-axis?

Mathematics
2 answers:
Rama09 [41]2 years ago
7 0

Answer:

A

Step-by-step explanation:

Fiesta28 [93]2 years ago
5 0

Answer:

C

Step-by-step explanation:

its obvious.... i literally says which axis is X

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Can someone help me with this question?
NikAS [45]
D is correct. Hope this helped.
4 0
3 years ago
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Which situation could be represented by an exponential function select each correct answer
ANTONII [103]

Answer:

The first and third options are the examples of exponential functions.

Step-by-step explanation:

When a quantity is compounded after a certain interval of time at a certain rate, then we can assume that the situation can be represented by an exponential function.

In the first option:  An event organizer finds each year's attendance for the past five years is about \frac{4}{5} of previous year's attendance.

So, here the total attendance is compounding every year by a factor \frac{4}{5} of previous year's attendance.

Again, in the third case: The total population is increasing by about 7.5% each year.

Hence, the population is compounded every year by 7.5% of the previous year's population.

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2 years ago
A random sample of 64 second-graders in a certain school district are given a standardized mathematics skills test. The sample m
svet-max [94.6K]

Answer:

Given : The sample mean score is 51.48 .

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             The nationwide average score on this test is 50.

To Find :  Perform the hypothesis test and compute the P-value?

Solution:

Sample size = n = 64

Since n > 30

So, we will use z test over here

We are supposed to find The school superintendent wants to know whether the second-graders in her school district have greater math skills than the nationwide average.

Hypothesis : H_0:\mu \leq 50\\H_a:\mu>50

Formula of z test : z =\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}

x = 51.48\\\mu = 50\\\sigma = 15\\ n = 64

Substitute the values

z =\frac{51.48-50}{\frac{15}{\sqrt{64}}}

z =0.789

Find the value of P(z) from z table

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Since we are given that we are supposed to find The school superintendent wants to know whether the second-graders in her school district have greater math skills than the nationwide average.

So, p value = 1-P(z)  = 1-0.7823=0.2177

In general , Level of significance is 0.05

So, p value is greater than alpha.

So, we accept the null hypothesis.

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3 years ago
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5 times what is 1590!?
levacccp [35]
To solve this all you need to do is do the opposite of multipulcation:

1590/5

Which equal 318. To check you answer do 318×5
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2 years ago
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The sum of 4 consecutive odd numbers is 1040. Find the numbers.
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Answer:

257+259+261+263 = 1040

Step-by-step explanation:

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