All categories

3 years ago

PLEASE HELPPP! ILL GIVE 50 POINTS ACTUALLY PUT THE ANSWER PLEASE ..

Mathematics

2 answers:

alexandr1967 [171]3 years ago

5 0

Answer:

Part a), Part b) and Part c) see the explanation

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form or

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

Let

x -----> the amount of vinegar in tablespoons

y ----> the amount of oil in tablespoons

In this problem

The relationship between the variables x and y represent a proportional variation

The constant of proportionality k is equal to the ratio of the recipe

substitute

The linear equation is equal to

Explain the meaning of the point (1.1.5)

we have

x=1, y=1.5

In the context of the situation

This means ----->The amount of oil needed is 1 (tablespoon) if the amount of vinegar used is 1.5 (tablespoons) to make the salad dressing according to this recipe.

see the attached figure to better understand the problem

frosja888 [35]3 years ago

3 0

Answer:

how do i know you are not point scammer?????

Step-by-step explanation:

You might be interested in

How can you write 82.75 in word form

Illusion [34]

Answer:

eighty-two point seventy five

Step-by-step explanation:

Are you sure that you really dont know this? This is like 2nd grade stuff..... and its really easy....

7 0

3 years ago

Read 2 more answers

Yoshi needs to find the inverse of f(x) = 5x – 2. What is the first step?

AveGali [126]

Answer: It will be (B)

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Can yall help me please?

eduard

Answer:

5/6 - 2/5 = 13/30

Step-by-step explanation:

6 0

3 years ago

If np>5 and nq>5, estimate P (at least 10) with n=13 and p=0.5 by using the normal distribution as approximation for the b

xenn [34]

Using the normal distribution, the probability is given as follows:

$P(X \geq 10) = 0.0485$ .

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean $\mu$ and standard deviation $\sigma$ is given by:

$Z = \frac{X - \mu}{\sigma}$

The z-score measures how many standard deviations the measure is above or below the mean.

Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The binomial distribution is the probability of x successes on n trials, with p probability of a success on each trial. It can be approximated to the normal distribution with $\mu = np, \sigma = \sqrt{np(1-p)}$ .

The parameters for the binomial distribution are:

p = 0.5, n = 13.

Hence the mean and the standard deviation are:

$\mu = np = 13 \times 0.5 = 6.5$ .

$\sigma = \sqrt{np(1-p)} = \sqrt{13 \times 0.5 \times 0.5} = 1.8028$

Using continuity correction, the desired probability is P(X > 9.5), which is <u>one subtracted by the p-value of Z when X = 9.5</u>, hence:

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{9.5 - 6.5}{1.8028}$

Z = 1.66

Z = 1.66 has a p-value of 0.9515.

1 - 0.9515 = 0.0485, then:

$P(X \geq 10) = 0.0485$ .

More can be learned about the normal distribution at brainly.com/question/4079902

#SPJ1

4 0

2 years ago

Find the volume of a pyramid with a square base, where the perimeter of the base is 18.5 ft and the height of the pyramid is 7.6

emmasim [6.3K]

Answer:

28.4in³

Step-by-step explanation:

Volume of the square based pyramid = L²H/3 where;

L is the length of a side of the square base

H is the height of the prism

Given

Perimeter of the base = 13.4 in

Height of the pyramid = 7.6in

First we need to get the length of the square base

Perimeter of a square = 4L

13.4 = 4L

L = 13.4/4

L = 3.35 in

Next is to find the required volume of the pyramid

V = L²H/3

V = 3.35²(7.6)/3

V = 85.291/3

V = 28.4 in³

Hence the volume of the pyramid to nearest tenth is 28.4in³

4 0

3 years ago

Read 2 more answers