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lorasvet [3.4K]
2 years ago
12

Raelyn used the inequality 40x < 320 to find the maximum number of shoes she could purchase to fit her budget. What is the gr

eatest number of shoes Raelyn can buy
Mathematics
1 answer:
yuradex [85]2 years ago
4 0

Answer:

320???

Step-by-step explanation:

You already have it answered

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HELP WILL GIVE BRAINLY PL. What is the sign of f3•(-g)^3?
Nastasia [14]

Answer:

Negitive

Step-by-step explanation:

6 0
2 years ago
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For every 5 minutes of jogging, I ran 500 yards. <br> What is the unit rate for this ratio?
maksim [4K]

Answer:

100/1

Step-by-step explanation:

Unit rate = over 1

____

500/5 = 100/1 (WE DIVIDED BY 5)

7 0
3 years ago
The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the e
I am Lyosha [343]

Answer:

(a) The proportion of tenth graders reading at or below the eighth grade level is 0.1673.

(b) The 95% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level is (0.198, 0.260).

Step-by-step explanation:

Let <em>X</em> = number of students who read above the eighth grade level.

(a)

A sample of <em>n</em> = 269 students are selected. Of these 269 students, <em>X</em> = 224 students who can read above the eighth grade level.

Compute the proportion of students who can read above the eighth grade level as follows:

\hat p=\frac{X}{n}=\frac{224}{269}=0.8327

The proportion of students who can read above the eighth grade level is 0.8327.

Compute the proportion of tenth graders reading at or below the eighth grade level as follows:

1-\hat p=1-0.8327

        =0.1673

Thus, the proportion of tenth graders reading at or below the eighth grade level is 0.1673.

(b)

the information provided is:

<em>n</em> = 709

<em>X</em> = 546

Compute the sample proportion of tenth graders reading at or below the eighth grade level as follows:

\hat q=1-\hat p

  =1-\frac{X}{n}

  =1-\frac{546}{709}

  =0.2299\\\approx 0.229

The critical value of <em>z</em> for 95% confidence interval is:

z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96

Compute the 95% confidence interval for the population proportion as follows:

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

     =0.229\pm 1.96\times \sqrt{\frac{0.229(1-0.229)}{709}}\\=0.229\pm 0.03136\\=(0.19764, 0.26036)\\\approx (0.198, 0.260)

Thus, the 95% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level is (0.198, 0.260).

5 0
3 years ago
1. What is the transformed quadratic equation of 3x2 + 5x = 6 in the form of ax2 + bx + c = 0?
Murljashka [212]

Answer:

That will be;

3x^2 + 5x -6 = 0

Step-by-step explanation:

Here, we want to write 3x^2 + 5x = 6 in the form

ax^2 + bx + c = 0

That will be;

3x^2 + 5x -6 = 0

We can simply get it by bringing the value 6 from the right hand side of the equation to the left hand side of the equation

6 0
3 years ago
Rhonda was organzing photos in a photo album. She took 60 photos and divided them evenly among p pages. Which algebraic expressi
Katen [24]
P=number of pages
we have to divide the number of photos by p

algebreaic expression represents the number of photosn on each page=60/p

60/p
4 0
3 years ago
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