Two oranges and five lemons cost $2.75. Two oranges and nine lemons cost $4.15. PART A) Write a system of equations and solve it using the elimination technique. PART B) Using your solutions from part A, how much would five oranges and three lemons cost?

Answers

Answer 1
A) 2o+5l=2.75
-2o-9l = -4.15
———————-
-4l=-1.4
l= 0.35

2o+5(0.35)=2.75
2o+ 1.75= 2.75
2o=1
O= 1/2

B) 5(0.5) + 3(0.35) = 2.5+1.05= 3.55

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Three girls and four boys went to an
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Answer:

The admission for each person costs 27 dollars.

Step-by-step explanation:

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Solve the equations 4× + 4 = 20. Write the problem on the sketch pad then solve the problem algebraically. I need shown work.

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Answer:

x = 4

Step-by-step explanation:

I don't know what you mean by sketch pad but here is the working out

4x + 4 = 20

-4            -4

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÷4           ÷4

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Maria has a pay rise. Her pay was £8 an hour. It is now £9.60 per hour. Calculate the percentage increase in Maria's pay. *Maria has a pay rise. Her pay was £8 an hour. It is now £9.60 per hour. Calculate the percentage increase in Maria's pay.

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£1.80 increase so about 15%

The circle below has a radius of 3 units . Find the area of the circle. Use 3.14 for π.

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i well give u 10 points

Answers

Answer:

28.26 units

Step-by-step explanation:

We know the radius of the circle is 3 units, so we'll end up plugging that into the formula.

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When you substitute pi for 3.14, you'll end up getting 28.26 units.

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12p + 18>84
Solve the following inequality

Answers

Answer:

p > 5.5

Step-by-step explanation:

Still waiting for the server? How does your web browser get a file from the
Internet? Your computer sends a request for the file to a web server, and the web
400 server sends back a response. Let Y = the amount of time (in seconds) after the
start of an hour at which a randomly selected request is received by a particular
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curve on the interval from 0 to 3600 seconds. Find the probability that the request
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Answers

Answer:

Your computer sends a request for the file to a Web server, and the Web server sends back a response.

Step-by-step explanation:

Using the uniform distribution, it is found that there is a 0.0833 = 8.33% probability that the request is received by this server within the first 5 minutes (300 seconds) after the hour.

----------------------------------

An uniform distribution has two bounds, a and b.

The probability of finding a value of at lower than x is:

[tex]P(X < x) = \frac{x - a}{b - a}[/tex]

The probability distribution of Y can be modeled by a uniform density  curve on the interval from 0 to 3600 seconds, thus [tex]a = 0, b = 3600[/tex].

Probability in the first 5 minutes(300 seconds) is:

[tex]P(X < 300) = \frac{300 - 0}{3600 - 0} = 0.0833[/tex]

0.0833 = 8.33% probability that the request is received by this server within the first 5 minutes (300 seconds) after the hour.

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=
£
6.
(a)
3333 p.
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Can you take a picture please

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1/6 likely to roll 8 with the two dice.

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It’s not clear honey

Round 341,611
to the nearest
thousand.

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Answer:

Step-by-step explanation:

341,611 rounded to the nearest thousand is 342,000

(6 is higher than5)

Marco invested $100 in a savings account and did not add to it again. Interest is added every month and his balance for several months is shown in the table.

Denise bought a car for $15,000 and sees that the rate that the amount owed is decreasing at 3 times the amount that Marco is saving. How much will she have left to pay after 36 months?

A) $0.00
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D) $510.41

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The answer is c because I got big Brian’s

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Answer:

b,c,d

Step-by-step explanation:

Answer:

D and B i'm pretty sure

Step-by-step explanation:

i would try a place called calculator soup really helps.

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2x3 + 10x2 − 4x2y − 20xy

Rewrite the expression by factoring out the greatest common factor. (4 points)

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x3+5x2-2xy-10xy because the GCF is 2

x3+5x2-2xy-10xy because the GCF is 52

2 x 3 + 10 x 2 - 4 x 2y - 20 x y

2 x 3 + 10 x 2 - 4 x 20 - 2y x y

6     +    20   -      80   -    2

26 -  78

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What is an example of factoring the expression?

Example: factor 2y+6

Both 2y and 6 have a common factor of 2: 2y is 2 × y. 6 is 2 × 3.

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The area of the backyard is 1470 feet squared. If the width is 35 ft then what is the length of the backyard?

Answers

Answer:

42

Step-by-step explanation:

to find area, we use the formula length times width. in this given question the area is already given. the inverse operation of multiplication is division, so you divide 1470 by 35 and end up with 42

Find the greatest common factor of 7 and 21.

Answers

Answer: 7

Step-by-step explanation:

Factors of 7 are, 1, and 7. The factors of 21 are, 1, 3, 7, and 21, making 7 the gcf.

An item with an original price p dollars is on sale at 30% discount. Which expression is not equivalent to the price of the item with the discount?

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Answer:

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Step-by-step explanation:

finished

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Answers

2x-y= 4 !!!!!!!!!!’n

Determine how much you would receive in return for a 8 month, $500 loan to a friend if you charged the 3% annual interest. Show your work.

Answers

i think its $4,120

I hope this helps

Answer:

$15 dollars

Step-by-step explanation:

use the whole part percent to work out answer

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it looks like this kinda its hard to put on here

  x   =  3    

500     100

so thats where u cross multiply the 500*3=1500 then divide 1500/100= 15

Give the least common multiple: 3a, 15 _____

Answers

Answer:

Answer: LCM of 3 and 15 is 15. 2.

Step-by-step explanation:

Hope this helps

The least common multiple would be 15 because 3 can be multiplied by 5 to get 15 and 15x1 is 15. Hope that helped (the smallest number they both have in common that they multiply to is 15).

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need a answer i got two different ones but dont understand​

Answers

Answer:

x= .5 (not 100% sure but I think that's right)

Step-by-step explanation:

2x = 1

x= .5

Answer:

x=1.5

Step-by-step explanation:

5x + 2 = 3x + 3

subtract 2 from both sides

5x + 2 - 2 = 3x + 3 - 2

simplify

5x = 3x + 1

subtract 3x from both sides

5x - 3x = 3x + 1 - 3x

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divide both sides by 2

[tex]\frac{2x}{2}[/tex]=[tex]\frac{1}{2}[/tex]

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x=[tex]\frac{1}{2}[/tex]

[tex]\frac{1}{2}[/tex]/1.5

sorry for the lengthy explanation hope this helps :) have a nice day !!

Simple Math!! 2581 ÷ 21

Answers

Answer:

[tex]122\frac{19}{21}[/tex] or [tex]122.904[/tex]

Step-by-step explanation:

2581 ÷ 21 = 122.9

Use a calculator

I have to turn it in by tonight​

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Answer: (x,y) -> (x,-y)

Step-by-step explanation:

If you take any point, for example (-1,1) from the blue shape, you have to multiply the y value by -1 to get to (-1,-1) for the red shape. You can test it out with any point on the two figures.

Also, by looking at it, you can see that it is a reflection over the x axis and a reflection over the x axis always just multiplies the y value by -1.

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The property that justifies Step 3 is the addition property of equation

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Rob's solution to simplifying the expression are given as

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Answer:

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Step-by-step explanation:

The y-intercept is just where one of the lines of the graph crosses the y-axis, which in the picture shows it crosses at (0,4)

Which system of equations has no solution?
5x+ 5y = 10 and 2x+2y = 4
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Answers

Answer:B

Step-by-step explanation:

An online shopping club has 13000 members when it charges ​$7 per month for membership. For each ​$ monthly increase in membership​ fee, the club loses approximately 500 of its existing members. Write and simplify a function R to represent the monthly revenue received by the club when x represents the price increase.

Hint: Monthly revenue​ = # members•monthly fee

Just a answer with work will do, ill brainliest the best one.

Answers

Answer:

The function is: [tex]R(x)=(13000-500x)[/tex] × [tex](7 + x)[/tex]

Step-by-step explanation:

Total members=13000

Membership charge per month=$7

Increase in Membership charge per month=$1

For each $1 monthly increase in membership fee, the club loses approximately=500 members

For 1 month, 1 dollar decrease is 500 × 1

For x months, the decrease in the members is 500 × [tex]x[/tex] =[tex]500x[/tex]

The increase in membership fee is 7 + [tex]x[/tex]

After that,

Monthly revenue = Number of members × Monthly fee

Monthly revenue = [tex](13000-500x)[/tex] × [tex](7 + x)[/tex]

[tex]R(x)=(13000-500x)[/tex] × [tex](7 + x)[/tex]

Hope this helps and have a nice day!

Describe the transformations for the given expressions
9. f(x - 1) + 2
10. 2g(x -1) - 9
11. 2/3h(x + 4) + 5
12. -k( x – 4) + 7
13. g(x) =13|x − 5|
14. h(x) = 2√x + 6 − 7
15. k(x) = −(x)3 − 4
16. n(x) =75(x − 4)2 − 2

Answers

Answer:

wow thats a lot let me write this down

Which triangle is similar to △ABC if sin(A) = One-fourth, cos(A) = StartFraction StartRoot 15 EndRoot Over 4 EndFraction, and tan(A) = StartFraction 1 Over StartRoot 15 EndRoot EndFraction?

Answers

Answer:

ΔXYZ

Step-by-step explanation:

Trigonometric identities are equations which are true for right angled triangles. They are:

sin(A) = opposite / hypotenuse, cos(A) = adjacent / hypotenuse, tan(A) = opposite / adjacent.

Given triangle ABC with ∠A with side BC opposite to the angle, ∠B with side AC opposite to the angle, ∠C with side AB opposite to the angle.

sin(A) = opposite / hypotenuse = BC / AC = 1/4

BC = 1, AC = 4

cos(A) = adjacent / hypotenuse = AB / AC = √15 / 4

AB = √15

tan(A) = opposite / adjacent = BC / AB = 1 / √15

Two triangles are said to be similar if the ratio of their corresponding sides are in the same proportion.

ΔXYZ and ΔABC are similar because the ratio of their corresponding sides are in the same proportion.

For adjacent side; XZ / AB = 6√15 / √15 = 6

For opposite side; YZ / BC = 6/1 = 6

For hypotenuse side; XY / AC = 24 / 4 = 6

Answer:

D. ΔXYZ

Step-by-step explanation:

PLEASE HELP ME ASAP GEOMETRY; check picture

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Answer:

since the sum of measure of adjacent angles of parallelogram are supplementry therefore the correct answer should be y=8

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