04.09.2021

Ania performs the elementary row operation represented by 2R2−R4 on matrix A.
A=⎡⎣⎢⎢⎢⎢−106−3243−4⎤⎦⎥⎥⎥⎥
What matrix results from this transformation?
Enter your answer by filling in the boxes.

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Mathematics

You can buy jars of the same jam in 2 sizes large jar:440g for £1.54 small jar:340g for £1.26 By considering the price per gram, work out which jar is the best value for money. Working must be shown

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P Answered by PhD

Answer: 440 grams for 1.54 is the better value
Explanation:
Take the price and divide by the number of grams
1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram

Mathematics

An ice cream shop offers 5 different flavors of ice cream and 9 different toppings. How many choices are possible for a single serving of ice cream with one topping?

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P Answered by PhD

For 1 flavor there are 9 topping

Therefore, for 5 different flavors there will be 5*9 choices

No of choices= 5*9

=45

Mathematics

A new school randomly assigns a six-character student code to every prospective student. The school uses the characters 1, 2, 3, 4, 5, X, Y, and Z. If none of the student codes contain a repeated character, what is the total number of codes that can be randomly assigned?

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The total nom of code that can be used is equal to 5+3 = 8

Mathematics

An online media service offers video and music downloads. Each download of a song costs $1. Each download of a video costs 5 times as much as the song download. You have a credit of $70. How many songs can you purchase after buying 12 videos?

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The answer is in the image

Mathematics

Stefania pure 2 liters of orange juice and 1.5 liters of pineapple juice into a punch bowl how many kiloliters are in the punch bowl

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The answer is in the image

Mathematics

the surface area of a box is 232 square inches. the box is 4 inches wide and 8 inches long. what is the hight?

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The solution is given in the image below

Mathematics

The volume of the cylinder is 235.6 cubic feet the radius is 5ft. Find the height. Round your answer to the nearest whole number.

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The answer is in the image

Mathematics

10 years ago a father was ten times as old as his son. The father is 40 now. How old is the son now?

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Let the father's age be x and son's be y

10 years before-

Father age=x-10

sons age=y-10

Given,

x-10=10(y-10)

x-10=10y-100

Given present age of father=40

therefore,

x=40

40-10=10y-100

10y-100=30

10y=130

y=130/10

y=13

Therefore present age of son=13years

Mathematics

The gymnasium at Audubon middle school is 5/6 the height of a 30-foot-tall building that is next to the gymnasium what is the height (h) in feet of the gymnasium

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Given height of gymnasium is 5/6 height of 30 foot ball

therefore height of gymnasium=5/6 * 30

=25 feet

Mathematics

What is StartFraction 5 pi Over 6 EndFraction radians converted to degrees? If necessary, round your answer to the nearest degree.

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The answer is in the image

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find an expression in terms of n. for the nth term of this series. give your answer in simplest form

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EVELYN HAD 9 DOLLS, BUT SHE LOST 1/3RD OF THEM AT DAYCARE. HOW MANY TOTAL DOLLS WOULD EVELYN HAVE HAD IF SHE HAD NOT LOST THEM?

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Solve the problem by multiplying first. Jamian bought a total of 35 bagels and donuts for a morning meeting. He paid a total of

$25.75. Each donut cost $0.55 and each bagel cost $1.20. The system of equations

b + d = 35

1.200 + 0.55d = 25.75 models this situation, where b is the number of bagels and d

is the number of donuts. How many of each did Jamian buy?

{ 1.200

Jamian bought

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Ania performs the elementary row operation represented by 2R2−R4 on matrix A. A=⎡⎣⎢⎢⎢⎢−106−3243−4⎤⎦⎥⎥⎥⎥ What matrix results from this transformation? Enter your answer by filling in the boxes.

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Ania performs the elementary row operation represented by 2R2−R4 on matrix A.
A=⎡⎣⎢⎢⎢⎢−106−3243−4⎤⎦⎥⎥⎥⎥
What matrix results from this transformation?
Enter your answer by filling in the boxes.