Mathematics College

A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.

Which one is it??

A Variable Needs To Be Eliminated To Solve The System Of Equations Below. Choose The Correct First Step.

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Answer 1
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Related Questions

Anyone know the answer?

Answers

It’s the one with the yellow

a bag contains 8 blue chips, 7green chips and 2 white chips. if two chips are drawn without replacement, what is the probability of drawing a blue chip and a green chip​

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b=8, g=7, w=2, total=17

(8/17)(7/16)=56/272=7/34

Answer:

7/34

Step-by-step explanation:

Use the following bond listing for Pacific Bell to answer the following:
A 5-column table with 1 row. Column 1 is labeled Bonds with entry PacBell 6 and StartFraction 5 Over 8 EndFraction 34. Column 2 is labeled current yield with entry 6.55. Column 3 is labeled Volume with entry 5. Column 4 is labeled Close with entry 99 and one-fourth. Column 5 is labeled net change with entry + StartFraction 1 Over 8 EndFraction.



What was the closing price of the bond? What was the dollar amount?
a. 106 5/8; $966
b. 6 5/8; $6625
c. 99 1/4; $993.45
d. 99 1/4; $992.50

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Answer:

b.

$66.25

Step-by-step explanation:

just did the test

Find the value of 2425÷45. Show your reasoning. fractions

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Answer:

Step-by-step explanation:

53.8

Answer:53.8

Hope this helps you

I need help please answer

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Answer:

√130

Step-by-step explanation:

_______________________

Michelle has fifteen more than two times as many pieces of candy as her sister. Which expression represents the number of pieces of candy that Michelle has if the variable c represents the number of pieces of candy that her sister has?

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Fifteen more means somewhere we’ll add 15. Two times as many as c = 2c. So,

2c + 15 = how much candy Michelle has
2c + 15 is the answer

Answer:

b

Step-by-step explanation:

Which number is an integer?

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Answer:

there is no question for me to tell you what it is

5x-(x-18)=6-2(x+15) Help!

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Answer:

Step-by-step explanation:

5x-(x-18)=6-2(x+15)

5x-x+18=6-2x-30

6x=-42

x=-7

The equivalent value of the expression is x = -7

Given data ,

Let the equation be represented as A

Now , the value of A is

5x - ( x - 18 ) = 6 - 2 ( x + 15 )

On simplifying the equation , we get

5x - ( x - 18 ) = 6 - 2 ( x + 15 )

So , the left hand side of the equation is equated to the right hand side by the value of 6 - 2 ( x + 15 )

Opening the parenthesis on both sides , we get

5x - x + 18 = 6 - 2x - 30

From the distributive property , we get

5x - x + 18 = 6 - 2x - 30

On further simplification , we get

4x + 18 = -2x - 24

Adding 2x on both sides , we get

6x + 18 = -24

Subtracting 18 on both sides , we get

6x = -24 - 18

6x = -42

Divide by 6 on both sides , we get

x = -42/6

x = -7

Therefore , the value of x = -7

Hence , the expression is x = -7

To learn more about equations click :

https://brainly.com/question/19297665

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Farmer Hernandez planted 804 rows of corn on her successful farm. Each row contained 26 individual plants. How many corn plants did Ms. Hernandez plant on her farm

Answers

Answer:30.92

Step-by-step explanation:divide 26 from 804 and you will get your answer

hope this helps

A store manager designs a new accounting system that will be cost effective if the mean monthly charge account balance is more than $50. A sample of 100 accounts is randomly selected. The sample mean balance is $56 and the sample standard deviation is $25.a.Find the t-statistic for a hypothesis test that is designed to answer the question.

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Answer:

The t-statistic for a hypothesis test that is designed to answer the question is 2.4.

Step-by-step explanation:

Our test statistic is:

[tex]t = \frac{X - \mu}{\frac{s}{\sqrt{n}}[/tex]

In which X is the sample mean, [tex]\mu[/tex] is the value tested at the null hypothesis, s is the standard deviation of the saple and n is the size of the sample.

A store manager designs a new accounting system that will be cost effective if the mean monthly charge account balance is more than $50.

This means that [tex]\mu = 50[/tex]

A sample of 100 accounts is randomly selected. The sample mean balance is $56 and the sample standard deviation is $25.

This means that [tex]X = 56, s = 25, n = 100[/tex]. So

[tex]t = \frac{X - \mu}{\frac{s}{\sqrt{n}}[/tex]

[tex]t = \frac{56 - 50}{\frac{25}{\sqrt{10}}[/tex]

[tex]t = \frac{6}{2.5}[/tex]

[tex]t = 2.4[/tex]

The t-statistic for a hypothesis test that is designed to answer the question is 2.4.

I'll mark brainly pls do this​

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Step-by-step explanation:

Verbs are read, complete, checked, work, invite. Pronouns are their, your, and them. Nouns are Classroom, Zeroes, Friday, February, friends, assignment, students, trimester. Adjectives are simple, missing.

Hope this helps! If I missed some or got some wrong, please tell me! Goodbye!

You have to divid then Milton

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PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!

Answers

Answer:

i cant see the question

Step-by-step explanation:

Answer:

Point Form:

(

−

4

11

,

−

19

11

)

Equation Form:

x

=

−

4

11

,

y

=

−

19

11

Step-by-step explanation:

Given: In Triangle ABC, DB congruent FC, FG⊥BC, DE⊥BC, and AB congruent AC. Prove: DE congruent FG.

Answers

For statements you would put the theorem or other thing that justifies that gg is congruent to de. You should have a list

On a large college campus, the students are able to get free copies of the school newspaper,the local newspaper, and a national paper. Ninety percent of the students read at least one of thepapers, 40% read only the school newspaper, 20% read only the local paper, 5% read only thenational paper, and 2% read all three papers. Fifty percent read the school newspaper, and 5%read the school and national newspapers. A randomly selected student is asked whether he orshe reads the school, local, or national paper. Express each of the following events in setnotation and find the percentage of students represented by each.a The student does not read any paper.b. The student reads the local paper.c. The student reads exactly two papers.d. The student reads at least two papers.

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Answer:

a) The percentage that the student does not read any paper is  10%  

b) The percentage that the student reads the local paper is 40%

c) the percentage that the student reads exactly two papers is 23%

d) the percentage that the student reads at least two papers is 25%

Step-by-step explanation:

Given the data in the question;

as illustrated in the Venn diagram below,

a)The student does not read any paper;

The percentage that the student does not read any paper will be;

100% - 90% = 10%

Therefore, The percentage that the student does not read any paper is  10%  

 

b) The percentage that the student reads the local paper;

from the Venn diagram below;

⇒ ( 20 + 15 + 3 + 2 )%    

= 40%

Therefore, The percentage that the student reads the local paper is 40%

c) The percentage that the student reads exactly two papers

⇒ ( 15 + 5 + 3 )%

= 23%

Therefore, the percentage that the student reads exactly two papers is 23%

d) The percentage that the student reads at least two papers;

⇒( 15 + 5 + 3 + 2 )%      

= 25%

Therefore, the percentage that the student reads at least two papers is 25%

move the dot -(-E) on the number line. E=3.5

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the correct answer is n the un

PLEASE HELP THIS IS DUE TODAY

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Answer:

do u want the answers to the whole book? I can give u a link...

Step-by-step explanation:

its 0.125

convert 4307 rads / 1 second into inches/sec

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Answer:1 inch per minute in/min = 0.017 inches per second in/sec

Step-by-step explanation:

how can equations help you model the relationship between two quantities

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Answer:

I dosent show anything that I should solve

Step-by-step explanation:

   

An automobile manufacturer claims that its jeep has a 59.8 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the MPG for this jeep since it is believed that the jeep has an incorrect manufacturer's MPG rating. After testing 160 jeeps, they found a mean MPG of 59.7. Assume the standard deviation is known to be 1.3. A level of significance of 0.02 will be used. Find the value of the test statistic. Round your answer to 2 decimal places. Enter the value of the test statistic.

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Answer:

The value of the test statistic is -0.97

Step-by-step explanation:

This test is two tailed test.

Null and Alternative hypothesis is as follow

Null Hypothesis is used when it is assumed that there is no significant difference between the values.

Null Hypothesis = [tex]H_{0}[/tex] = [tex]\mu =[/tex] 59.8

The Alternative hypothesis is the alternative of the Null Hypothesis. It is an experimental technique that is used when it is assumed that there is some difference

Alternative Hypothesis = [tex]H_{a}[/tex] = [tex]\mu \neq[/tex] 59.8

Test statistcs is z

The value of test statistics can be calculated using the following formula

Test Statistics [tex]= (\bar x - \mu ) / \sigma / \sqrt n[/tex]

Test Statistics [tex]= (59.7-59.8) / 1.3 / \sqrt 160[/tex]

Test Statistics = -0.97

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Describe the histogram using the SUCS acronym

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Can you define the SUCS acronym and maybe I’ll be able to help. I’ve never heard of it

A fundraiser agrees to donate an extra $75 for every $100 the school raises through selling cookies what is the constant of the proportionality

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Answer:

3/4 or 0.75

Step-by-step explanation:

PLEASE ANSWER ASASP FOR BRAINLEST!!!!!!!!!!!!!!

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Answer: 10

Step-by-step explanation:

2+4+4= 10

How do you simplify (5g^4h^3)^3? Simplify using exponent rules, please do not completely answer

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Answer:

5^3·g^12·h^9  or 125g^12·h^9

Step-by-step explanation:

Dev is ordering a black bean burrito. He has 12
different ingredients to put with his black beans. How many different combinations of ingredients can he have in his burrito if he chooses exactly 4
different ingredients?

Answers

The answer is 3 combinations of ingredients.

Since he has 12 different options of ingredients and if he chooses 4 it’d mean to divide both numbers which equals 3.

an online photo service charges 20 to make a standard photo book with 16 pages. each extra page costs 1.75 write an exspression to determine the total cost of in dollars to make a standyard photo book with p extra pages

Answers

Answer:

$20 + (1.75 * p)

Step-by-step explanation:

This is just a guess hope this is correct.

Hope this helps! :)

What is the value of the digit 8 in the number 14.812?

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Answer:

the tenth or 0.1

The 8 is in the Tenth place value

Help ASAP! I’m confused! Thanks!!

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Answer:

Angles 2 and 4 are congruent

Pls help I’ll brainlest ASAP

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Answer:

-9

Step-by-step explanation:

-6 Divided By 2/3 = -9

2/3 multiplied by -9 = -6

Your  answer will be z = -6/3 or -9

If its wrong I tried-

pleaseee helpppppppp

Answers

If I remember correctly, you have to divide each coordinate point by 1/2.

A student loan needs to be paid off beginning the first year after graduation. Beginning at Year 1, there is $52,000 remaining to be paid. The graduate makes regular payments of $8,000 each year. The graph shows the sequence. f(x)=?​

Answers

Answer:

The equation is: [tex]f(x) = 52000 - 8000x[/tex]

Step-by-step explanation:

Given

Initial = 52000

Rate = 8000 each year

Required

Determine the equation of the graph

The equation can be determined using.

[tex]Amount = Initial - Rate* Years[/tex]

We used minus (-) because, the amount reduces as the student pays.

Let

[tex]y = Amount[/tex]

[tex]x = Years[/tex]

So, we have:

[tex]y = Initial - Rate * x[/tex]

Substitute values for Initial and Rate

[tex]y = 52000 - 8000 * x[/tex]

[tex]y = 52000 - 8000x[/tex]

Express as a function:

[tex]f(x) = 52000 - 8000x[/tex]

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