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2 years ago

how many deliveries at 6.00 a delivery, would need to be completed inorder to reach 5000 dollar goal?

Mathematics

2 answers:

vampirchik [111]2 years ago

6 0

834 complete deliveries

son4ous [18]2 years ago

3 0

You have to do 5000 divided by 6. You will get 833 (rounded). But 833 times 6 = 4,998. You cant do an 1/3 delivery. So round up to 1 more to get 834.

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Square root 7x+16 +4=x

gavmur [86]

1 Simplify 7x+16+47x+16+4 to 7x+207x+20 7x+20=x7x+20=x
2 Subtract 7x from both sides 20=x-7x20=x−7x
3 Simplify x-7xx−7x to -6x−6x
20=-6x20=−6x
4 Divide both sides by −6 -20/6=x
5 Simplify 20/6 to 10/3 -10/3=x
6 Switch sides
x=-10/3

6 0

2 years ago

What is 7÷23 including the remainder

Harlamova29_29 [7]

I hope this is helpful!

Answer: 3 R2

8 0

2 years ago

Read 2 more answers

Consider the following hypothesis test. : : The following results are for two independent samples taken from two populations. Ex

I am Lyosha [343]

Answer:

$z = -1.53$ --- test statistic

$p = 0.1260$ --- p value

Conclusion: Fail to reject the null hypothesis.

Step-by-step explanation:

Given

$n_1 = 80$ $\bar x_1= 104$ $\sigma_1 = 8.4$

$n_2 = 70$ $\bar x_2 = 106$ $\sigma_2 = 7.6$

$H_o: \mu_1 - \mu_2 = 0$ --- Null hypothesis

$H_a: \mu_1 - \mu_2 \ne 0$ ---- Alternate hypothesis

$\alpha = 0.05$

Solving (a): The test statistic

This is calculated as:

$z = \frac{\bar x_1 - \bar x_2}{\sqrt{\frac{\sigma_1^2}{n_1} + \frac{\sigma_2^2}{n_2} }}$

So, we have:

$z = \frac{104 - 106}{\sqrt{\frac{8.4^2}{80} + \frac{7.6^2}{70} }}$

$z = \frac{104 - 106}{\sqrt{\frac{70.56}{80} + \frac{57.76}{70}}}$

$z = \frac{-2}{\sqrt{0.8820 + 0.8251}}$

$z = \frac{-2}{\sqrt{1.7071}}$

$z = \frac{-2}{1.3066}$

$z = -1.53$

Solving (b): The p value

This is calculated as:

$p = 2 * P(Z < z)$

So, we have:

$p = 2 * P(Z < -1.53)$

Look up the z probability in the z score table. So, the expression becomes

$p = 2 * 0.0630$

$p = 0.1260$

Solving (c): With $\alpha = 0.05$ , what is the conclusion based on the p value

We have:

$\alpha = 0.05$

In (b), we have:

$p = 0.1260$

By comparison:

$p > \alpha$

i.e.

$0.1260 > 0.05$

So, we fail to reject the null hypothesis.

4 0

2 years ago

In order for the limit of F(X) to exist at x=a, which of the following must hold true

astra-53 [7]

Answer:

Step-by-step explanation:

Given: limit of f(x) exists at x = a

To choose: the correct option

Solution:

A limit is a value that a function approaches as the input approaches some value.

$\lim_{x\rightarrow a}f(x)=L$ means that as x approaches to value a then f(x) approaches to value L.

A limit of a function f(x) exists at x = a if $\lim_{x\rightarrow a^-}f(x)=\lim_{x\rightarrow a^+}f(x)=L$

So, option A. is correct.

7 0

2 years ago

This sliding board as shown is 15 feet long and meets the ground at a 40 degree angle. what is the height of the ladder to the n

Lera25 [3.4K]

Answer:the answer to your question is 6 feet Im pretty sure

Step-by-step explanation: so if it is a 15 foot board and it is at a 40 degree angle you have to multiply 4 by 1.5 to get your answer. Hope this helps.

5 0

2 years ago