When solving for y, in which step did Ramon make a mistake?

a) step one,Ramona re-wrote the system incorrectly
b) step two,Ramona should have multiplied the first equation by -4 instead of -2
c) in step three Ramona simplify -28+10 as -18 instead of simplifying to 18
d) in step four, Ramona should have divided by -6 instead of dividing by 6

show work

Answer:

B) Fifth Grade Boys

Step-by-step explanation:

The far right green line represents the fifth grade boys, and you can see that this lines up right in the middle of 50 and 60.

Answer:

SA= 28 in^2

V= 14 in^3

Step-by-step explanation:

circumference= 2πr

9.4 = 2πr

r = 1.496

surface area of a ball = [tex]4\pi r^{2}[/tex]

= [tex]4\pi (1.496)^{2}[/tex]

=28 in^2

volume of a ball= [tex]\frac{4}{3} \pi r^{3}[/tex]

= [tex]\frac{4}{3} \pi (1.496)^{3}[/tex]

=14 in^3

Step-by-step explanation:

Integers : 26.00, 0.35, - 2

Not integers: 21/3, 1/4

Answer:

Interger: 0.35, -2, 1/4

Not an Interger: 26.00, 21/3

Step-by-step explanation:

Decimals, negatives, and fraction all fall into the category of integers along with others

0.35, -2, 1/4 fall into the category of either fractions, negatives, or decimals which makes them, in turn, fall into the category of integers

26.00 looks like a decimal but since the 0's don't need to be there, it's  actually 26, which is not a integer

21/3 is an improper fraction which, when simplified, is 7, which is not an integer

I may be wrong, but this is what I got

I hope this helps!

Answer:

Option A, there is not sufficient sample evidence to conclude that the full-time placement rate is now less than 87% because the p-value is greater than 0.05.

Step-by-step explanation:

Here the Null hypothesis would be

H0: 87% of the graduates find full-time employment in their field within the first year of graduation

H1: Less than 87% of the graduates find full-time employment in their field within the first year of graduation

Here the p values is 0.07.

Since the p value is greater than 0.05, there are not enough evidences to reject the hull hypothesis.

Hence, option A is correct

Since the p-value is greater than the significance level, the correct option is:

a. there is not sufficient sample evidence to conclude that the full-time placement rate is now less than 87% because the p-value is greater than 0.05.

At the null hypothesis, it is tested if the proportion is still of 0.87, that is:

[tex]H_0: p = 0.87[/tex]

At the alternative hypothesis, it is tested if it has decreased, that is:

[tex]H_1: p < 0.87[/tex]

Since the p-value is greater than the significance level, we do not reject the null hypothesis, and hence, the correct option is A.

A similar problem is given at https://brainly.com/question/25831511

Answer:

Step-by-step explanation

90,000 is 20,853 greater than 69,147

Answer:

What is the median amount of salt left

Step-by-step explanation:

Answer:

12x2-12x-144 thats the answer

Step-by-step explanation:

Answer:

$4.02

Step-by-step explanation:

Answer:

volume of the triangular prism

[tex] (\frac{1}{2} \times 10 \times 10) \times 25 \\ 1250 {cm}^{3} [/tex]

Answer:

Step-by-step explanation:

BY: [tex]ζBenjamin[/tex]

Answer:

p-value ≈ 0.05

Step-by-step explanation:

Answer:

x=64 degrees

Step-by-step explanation:

9514 1404 393

Answer:

  -25 dollars per month

Step-by-step explanation:

It is convenient to compute the rate of change using points where the graph crosses grid intersections. A couple of these are ...

  (months, dollars) = (1, 675)  and  (4, 600)

Using the slope formula, we have ...

  m = (y2 -y1)/(x2 -x1)

  m = (600 -675)/(4 -1) = -75/3 = -25 . . . . . dollars/month

Answer: i need points but i think its 4

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

please make me Brianlist please

Answer:

Length of base DE = 24 units

Step-by-step explanation:

Given:

In given triangle, right angle at D

SO,

Perpendicular of given triangle = 32 unit

Hypotenuse of given triangle = 40 unit

Find:

Length of base DE

Computation:

Using Pythagoras theorem

Base = √Hypotenuse² - Perpendicular²

Length of base DE = √Hypotenuse of given triangle² - Perpendicular of given triangle²

Length of base DE = √40² - 32²

Length of base DE = √1,600 - 1,024

Length of base DE = √576

Length of base DE = 24 units

Answer:

(-4,-3,-2,-1,0,1,2)

Step-by-step explanation:

..........i hope it is............

Answer: is it 25? i am bad at math but i am guessign

Step-by-step explanation:

Answer:

Choose ( A)

A. y =|x/2| – 5

An example would be the function f(x) = x^3

Note how f(-x) = (-x)^3 = -x^3 = -f(x)

In contrast, an even function is any function where f(-x) = f(x) for all x in the domain.

Answer:

Odd

Step-by-step explanation:

Answer:

1176 apples

Step-by-step explanation:

198 + 285 + 693 = 1176

Step-by-step explanation:

your answer will be 1,176 apples. Just add them up :)

Step-by-step explanation:

5  $

Answer:

B and D

Step-by-step explanation:

A ray is just the line so the rays are IH, and HI. It is not IH because that is a line segment. It is not GI because it goes across. Therefore, the answer is B and D.

Answer:

a d

Step-by-step explanation:

Answer:

I think it's either A or E sorry if I'm wrong

Using Central Limit Theorem, it is found that the option which best describes the sampling distribution of p, the sample proportion of people who voted in the 2014 elections is:

The Central Limit Theorem states that, for a normally distributed random variable X, with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].

In this problem:

Hence, the mean and standard error are given by:

[tex]\mu = p = 0.38[/tex]

[tex]s = \sqrt{\frac{p(1 - p)}{n}} = \sqrt{\frac{0.38(0.62)}{40}} = 0.076[/tex]

Also approximately normal, hence, option A is correct.

To learn more about the Central Limit Theorem, you can take a look at https://brainly.com/question/16695444

Answer:

you round the 48 so it's 50.

Answer:

∡'s are 172.5° and 7.5°

Step-by-step explanation:

x = 23(180-x)

x = 4140 - 23x

add 23x to each side

24x = 4140

x = 4140/24

x = 172.5

So, supplementary angles is an angle pair that adds up to 180 degrees.

If one of the angles is 23 times larger than the other angle, then the other angle would be 1 times larger, due to the reflexive prop.

So combined, the angle pair is 24 times larger than the small angle. And since we know that the supplementary angle is 180, it's something that easy math can solve.

For the small angle:

180 / 24 --> 7.5 degrees.

Now with the big angle that 23 times that:

7.5 * 23 -->  172.5 degrees.

Answer:

H0: p ≥ 0.70; HA: p < 0.70

Sample proportion = 0.625

Test statistic = -1.79

Pvalue = 0.0367

Older workers in Asia feel less fulfilled

B.)

H0: p ≤ 0.50; HA: p > 0.50

0.58

2.35

0.0094

younger workers in Asia feel more fulfilled

Step-by-step explanation:

1.)

H0: p ≥ 0.70;

HA: p < 0.70

The test statistic :

(Phat - p) /sqrt(p(1-p)/n)

Phat = x / n = 75/120 = 0.625

1 - p = 1 - 0.7 = 0.3

(0.625-0.70) / sqrt(0.7*0.3/120)

-0.075 / 0.0418330

= - 1.79

Pvalue FROM Zscore calculator :

Pvalue = 0.0367

α = 5% = 0.05

Pvalue < α ; Reject then Null and conclude older workers in Asia feel less fulfilled than their British counterparts.

B.)

H0: p ≤ 0.50; HA: p > 0.50

Sample proportion, phat = 58% = 0.58

The test statistic :

(Phat - p) /sqrt(p(1-p)/n)

(0.58 - 0.50) / sqrt(0.58*0.42)/210)

0.08 / 0.0340587

Test statistic = 2.35

Pvalue FROM Zscore calculator :

Pvalue = 0.0094

α = 5% = 0.05

Pvalue < α ; Reject then Null and conclude younger workers in Asia feel more fulfilled than their British counterparts

Answer:The zeros are 6, -5, 9

Step-by-step explanation:

The zeros of the polynomial function are x = 6, x = -5, and x = 9. The correct option is A.

In mathematics, a polynomial is an expression that solely uses the operations of multiplication, addition, subtraction, and non-negative integer exponentiation of variables. It is made up of coefficients and indeterminates.

The zeros of the polynomial function are the values of x that make f(x) equal to zero.

The polynomial f(x) is written in factored form as:

f(x) = (x - 6)(x + 5)(x - 9)

The zeros of the polynomial are the values of x that make any of the factors equal to zero. Therefore, the zeros are:

x - 6 = 0, which gives x = 6

x + 5 = 0, which gives x = -5

x - 9 = 0, which gives x = 9

Thus, the zeros of the polynomial function are x = 6, x = -5, and x = 9.

To know more about polynomials follow

https://brainly.com/question/30385780

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