Mathematics College

A system of linear equations is graphed below

Which coordinate point represents the solution?

A : (2, 2)
B : (0 , 40)
C : (40 , 0)
D : (20 , 20)

Answers

Answer 1

Answer: D

Step-by-step explanation: 20,20

Related Questions

ILL GIVE BRAINLESS DUE SOON

Answers

the answer is the square root of 464. D

Answer:

Its C

Step-by-step explanation:

help me out yall pleaseeee

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opens downward. x-intercept=(-10,0),(6,0). axis of symmetry=x=-2. maximum=(-2,128)

Triangle RST has vertices R(-3,2), S(0,-5),and T(4,5).When translated R’ has coordinates (4, 1). Find the coordinates of S’ and T’.

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C bc I just did dis text

convert the following equation into standard form Y equals negative 7X over 8 +4

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9514 1404 393

Answer:

7x +8y = 32

Step-by-step explanation:

Clear fractions and add the opposite of the x-term.

y = -7x/8 +4

8y = -7x +32 . . . . . multiply by 8

7x +8y = 32 . . . . . .add 7x

How many 1/6 pieces are there in 3/6

Answers

Answer:

there are 3 1/6 pieces

Step-by-step explanation:

since 3 x 1/6=3/6.

another explanation:

(3/6)/(1/6)=(3/6) x (6/1) since you multiply by inverse when dividing fractions. Then, (3/6) x (6/1) = 18/6, which equals 3.

The first grade class has 36 students. The second
grade class has 7 more students than the first grade class. The third grade
class has 25 more students than the first grade class. The fourth grade
class has the same number of students as the first grade class and the fifth
grade class has 9 fewer students than the first grade class. How many
students are there altogether in the five grades? *

Answers

Answer:

36+41+59+36+27=199

Step-by-step explanation:

Answer:

203

Step-by-step explanation:

first grade 36

Second grade 36+7=43

third grade 36+25=61

forth grade 36

fifth grade 36-9=27

36+43+61+36+27=203

pls help me:(!!!!!!!!!!

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Answer:

A.........................

Find the Area of this Figure

Answers

Answer:

Area = 60 ft ^2

Step-by-step explanation:

first you would have to split the spape given by making a triangle at the top and a rectangle under it, then you find the area of the triangle and rectangle and add those together to find the area.

Triangle:

6 * 4 = 24 / 2 = 12

Rectangle:

12 * 4 = 48

Area:

48 + 12 = 60

Find the slope, I don't know how though.

Answers

Answer:

slope is -2

Step-by-step explanation:

HOW DO I DO THIS HELP

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Answer:

I am pretty sure that you would divide 247 by 19 and whatever that answer is would be the answer

Step-by-step explanation:

Find the slope between the two points (-6, 3) and (12, 19)

Answers

Answer:

8/9

Step-by-step explanation:

(19-3)/(12-[-6])

16/18

8/9

Answer:

1/3

Step-by-step explanation:

Find the measure of angle2

A. 90
B. 50
C. 60
D. 30

Answers

I think it is C. 60.
You can eliminate A because it is not a right angle, and D because the angle is bigger than the given angle. So it is between 50 and 60, and I hope this is right and the picture makes sense

How much should you invest at 5% annual interest rate to have the annual interest of $150?

Answers

Answer:

it is 7.5

Step-by-step explanation:

Answer:

It is 7.5

Step-by-step explanation:

The University of South Texas is interested in determining if there is a difference in the average weight gain between male students (group 2) and female students (group 1) during their freshman year. They take a random sample of 10 male students and 10 female students. Find the confidence interval with 95% confidence. The 95% confidence interval is (2.4, 20.4). A. We are 95% confident that the population mean weight gain for male University of South Texas students is 2.4 more to 20,4 more than female University of South Texas students. B. We are 95% confident that the population mean weight gain for female University of South Texas students is 2.4 more to 20.4 more than male University of South Texas students. C. We are 95% confident that the sample mean weight gain for female University of South Texas students is 2.4 more to 20.4 more than male University of South Texas students. D. We are 95% confident that the sample mean weight gain for male University of South Texas students is 2.4 less to 20.4 more than female University of South Texas students.

Answers

Answer: A. We are 95% confident that the population mean weight gain for male University of South Texas students is 2.4 more to 20,4 more than female University of South Texas students.

Step-by-step explanation:

Given a 95% confidence interval of : (2.4, 20.4)

The lower boundary of the interval = 2.4

The upper boundary of the interval = 20.4

Male = group 2, Female = group 1

P2 - P1 is between lower boundary more and upper boundary more ;

Hence

Population mean weight for male is 2.4 more to 20.4 more than female

square root of -20

someone please help

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Answer:

I think its either 5 or 4 one of the 2

which is the closest to the quotient 4367/0.004

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Answer:

1091750

Step-by-step explanation:

if your dividing

what is 13x25+3÷
15 please help im bad at math

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Answer:

325.2

Step-by-step explanation:

Candidate B recieved 5 times as many votes as Candidate A. Whats the ratio of votes for Candidate B to votes for Candidate A?

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B:A=5:1 because B is 5 times A. for every one vote A has, B has 5

Does anyone know the answer? If so how did you get the answer.

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So if I remember correctly, so it tells you that the area is 96 ft and we have to find X. We already have two of the measurements and if 96 ft is the area (total) then we have to figure out the missing measurement that will add up with the other two to equal 96 ft. So what I did was that I added up 20 ft and 16 ft= 36 ft. So then you just minus 36 ft from 96 ft to get your answer (X) so X= 60 ft

so uh it’s x=60. Why? the person above said so

Can somebody help me, I'm being timed!

Answers

Answer:

I think its -- linear postulate

Step-by-step explanation:

If you guys can help me out i would rly love that

Answers

1. One solution
2. Infinite many solutions
3. No solution
4. One solution

PLS HELP EASY ALGEBRA LOTS OF POINTSSS AND BRAINLIEST

Answers

Answer:

Boy that's CAAAPPPPP.

Step-by-step explanation:

Answer:

The answer is a = 12 and b = 9.

Step-by-step explanation:

For starters 12 + 9 equals 21 and when you multiply 3/4 by 12 it gets you nine so both those statements are accurate if you choose this answer.

Write an expression, using an exponent that is equivalent to 6 x 6 x 6 x 6 x 6.

Answers

Answer:

6^4 = 1296

Step-by-step explanation:

6 to the power of 4

Look at the picture I have included. Sry if it is wrong

Calculate a point estimate of the mean oxide thickness for all wafers in the population. (Round your answer to 3 decimal places.) (b) Calculate a point estimate of the standard deviation of oxide thickness for all wafers in the population. (Round your answer to 2 decimal places.) (c) Calculate the standard error of the point estimate from part (a). (Round your answer to 2 decimal places.)

Answers

This question is incomplete, the complete question is;

Data on oxide thickness of semiconductors are as follows: 425, 430, 414, 419, 421, 436, 418, 412, 430, 434, 423, 426, 408, 437, 435, 428, 412, 426, 409, 439, 422, 426, 414, 416

(a) Calculate a point estimate of the mean oxide thickness for all wafers in the population. (Round your answer to 3 decimal places.)

(b) Calculate a point estimate of the standard deviation of oxide thickness for all wafers in the population. (Round your answer to 2 decimal places.)

Answer:

a) point estimate of the mean oxide thickness for all wafers in the population is 423.333

b) point estimate of the standard deviation of oxide thickness for all wafers in the population is 9.23

c) the standard error of the point estimate from part (a) is 1.88

Step-by-step explanation:

Given the data in the question;

x = 425, 430, 414, 419, 421, 436, 418, 412, 430, 434, 423, 426, 408, 437, 435, 428, 412, 426, 409, 439, 422, 426, 414, 416.

To determine the mean;

we sum the total value divided by the sample size.

mean x" = (425 + 430 + 414 + 419 + ............... + 414 + 416) / 24

mean x'' = 10160/ 24

mean x" = 423.3333 ≈ 423.333

Therefore; point estimate of the mean oxide thickness for all wafers in the population is 423.333

b) standard deviation

we can determine the population standard deviation us the formula;

S.D(X) = √[ (ⁿ∑_[tex]_{i=1}[/tex] ([tex]X_{i}[/tex] - X")²) / n ]

= √[ {(425-423.3333)² + (430-423.3333)² +......+ (416-423.3333)² } / 24 ]

= √[ 1957.333 / 24 )

S.D(X) = 9.03

Note, the point of estimate of the variance population is biased estimate.

The unbiased point estimate of oxide thickness for all wafers in the population will be;

S.D(X) = √[ (ⁿ∑_[tex]_{i=1}[/tex] ([tex]X_{i}[/tex] - X")²) / (n-1) ]

= √[ {(425-423.3333)² + (430-423.3333)² +......+ (416-423.3333)² } / (24-1) ]

= √[ 1957.333 / 23 )

S.D(X) = 9.225 ≈ 9.23

Therefore, point estimate of the standard deviation of oxide thickness for all wafers in the population is 9.23

c) the standard error

SE (X") = S.D / √n

since the standard deviation is the unbiased estimate for the population, so;

SE (X") = 9.23 / √24

SE (X") = 1.884 ≈ 1.88

Therefore, the standard error of the point estimate from part (a) is 1.88

In 2009, Anna paid $3,060 in federal income tax. In 2010, she paid 70% more than in 2009. How much did Anna pay in 2010?

Answers

Answer:

$5,202

Step-by-step explanation:

70% more of $3,060 is 2,142.

$2,142 + $3,060 = $5,202

Please give me genuine answers for this! It’s Math!

Answers

number seven is a right angle

Let the graph of g be a horizontal shrink by a factor of 1/2 and a reflection in the x-axis, followed by a translation 1 unit down of the graph of f(x)=x^2 . Write a rule for g .

plz help very urgent

Answers

Answer:

Fooddddddddingggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggkygygygyygygygghgghhghghghgjkjkjkjkjkjkkjkjkjkjkjkjkjlllololololololololllololooloololololololololooololololololoolololololololoollololollololololololololoollol0olol0olololo0lo0l0ol00ol10000000000000000l00l00l00l000l0l0l0l0l0l00l0l0l0loolololoolol0olllolol0oooololo00l00l0l0lloololol0lololol0oololol0loloolol000llolo

Step-by-step explanation:

Gianna uses 100 stamps each day for her business. If she begins each day with 100 stamps, and after each package that is shipped has 4 less stamps, how many stamps would Gianna have left after 6 packages? Which of the following choices is the correct pattern?
a. 100, 104, 108, 112, 116, 120, 124
b. 100, 90, 80, 70, 60, 50, 40
c. 100, 96, 92, 88, 84, 80, 76
d. None of these choices are correct.

Answers

Answer:

Step-by-step explanation:

The pattern is supposed to be -4.

Gianna has 76 stamps left after 6 packages and pattern of decreasing stamps can be calculated as 100, 96, 92, 88, 84, 80, 76. Hence option c is correct

Gianna uses 100 stamps each day for her business. If she begins each day with 100 stamps, and after each package that is shipped has 4 less stamps,

What is arithmetic?

In mathematics it deals with numbers of operations according to the statements.

As per question, after each package that is shipped has 4 less stamps.
Now, for nth term of an arithmetic progression.
nth term = a + nd
Here, we have a = 100, d = -4 and n = 6
So after 6th package shipped the number of stamps left.
= 100 - 6 x 4
= 76
And pattern of decreasing stamps can be calculated as 100, 96,92,88,84,80,76.

Thus, Gianna has 76 stamps left after 6 packages and pattern of decreasing stamps can be calculated as 100, 96,92,88,84,80,76.

Learn more about arithmetic here:

brainly.com/question/14753192

#SPJ2

Anna bought 27 bananas. She used some for a recipe and had 17 left. Select all the
equations that represent this situation.

Answers

Answer:

Step-by-step explanation:

27-x=17

Answer:

um how can we help you when there's no equations...

Step-by-step explanation:

Yeah- I need help please
-3r - 13

r = 2

Answers

Answer:

The answer should be -19

Step-by-step explanation:

-3r - 13 = ?

-3(2) - 13 = ?

-6 - 13 = ?

-19 = ?

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A system of linear equations is graphed below Which coordinate point represents the solution? A : (2, 2) B : (0 , 40) C : (40 , 0) D : (20 , 20)

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A system of linear equations is graphed below

Which coordinate point represents the solution?

A : (2, 2)
B : (0 , 40)
C : (40 , 0)
D : (20 , 20)