Write the polynomial in standard form. –9x + x3

The graph shows the relationship between hours worked and total earnings for a store clerk. Let h represent hours worked and e r

Dovator [93]

Answer:

The answer is C.

Step-by-step explanation:

y = kx → e =

30

4

h → e = 7.5h

The independent variable is hours worked, h, and the dependent variable is total earnings, e. The independent variable is the input value of a function. The dependent variable is the output value of a function.

8 0

3 years ago

Which expression is equivalent to 3m + 1 - m?<br><br> 2 + m - 1 + - m<br> 1 + m<br> 3m - 1<br> 3m

Rasek [7]

Answer:

I believe it would be A) 2 + m - 1 + - m

5 0

3 years ago

3w + 6 - 4W + 3b + 2 + 2b =

stellarik [79]

Answer:

A) 5b - w + 8

Step-by-step explanation:

Hope it helps you :)

4 0

3 years ago

The relationship between women's whole

vovangra [49]

Using arithmetic sequence concepts, it is found that the common difference is of 0.25.

<h3>What is an arithmetic sequence?</h3>

In an arithmetic sequence, the difference between consecutive terms is always the same, called common difference d.

The nth term of an arithmetic sequence is given by:

$a_n = a_1 + (n - 1)d$

In which $a_1$ is the first term.

In this problem, we have that:

$a_3 = 8, a_7 = 9$

Hence:

$a_7 = a_3 + (7 - 3)d$

9 = 8 + 4d

4d = 1.

d = 0.25.

The common difference is of 0.25.

More can be learned about arithmetic sequence concepts at brainly.com/question/6561461

4 0

2 years ago

A group of transfer bound students wondered if they will spend the same mean amount on texts and supplies each year at their fou

Jet001 [13]

Answer:

We accept H₀. We don´t have enough evidence to support the difference between the two means

Step-by-step explanation:

Group 1 : Comunity College

Sample:

size : n₁ = 54

Sample mean x₁ = 947

Sample standard deviation s₁ = 254

Group 2 : Local University

Sample

size : n₂ = 66

Sample mean : x₂ = 1011

Sample standard deviation s₂ = 87

Significance level α = 0,05 α = 5 % CI = 95 %

Both samples are with n> 30 so we can use z table for the test

from z-table we find z(c) = 1,96

The problem statement establishes to run a hypothesis test to determine if the means are statistically the same ( or different) then we use two-tail-test

Hypothesis Test

Null Hypothesis H₀ x₁ - x₂ = 0 or x₁ = x₂

Alternative hypothesis Hₐ x₁ - x₂ ≠ 0 or x₁ ≠ x₂

To calculate

z(s) = ( x₁ - x₂ ) / √ s₁²/n₁ + s₂²/n₂ )

z(s) = 947 - 1011 / √ (254)²/54 + (87)² / 66

z(s) = - 64 /√ 1194,74 + 114,68

z(s) = - 64 / 36,185

z(s) = - 1,77

Comparing modules of |z(c)| and |z(s)|

z(s) < z(c)

Then z(s) is in the acceptance region we accept H₀ . There is not enough evidence to support differences in the means of the two groups

3 0

3 years ago

Write the polynomial in standard form. –9x + x3 – x4 + 3