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Olin [163]
2 years ago
15

Amy and her brother get the same allowance. Amy saved 1/5 and her brother 4/5 of his allowance. How much more did her brother sa

ve?
Mathematics
1 answer:
Anon25 [30]2 years ago
6 0

Answer:

3/5

Step-by-step explanation:

Step one:

given data

Amy saved 1/5

her brother 4/5

Required

How much more did her brother save

Step two:

let us subtract Amy's savings from her brother's

4/5-1/5

=4-1/5

=3/5

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(3 + 2i) - (5 -7i) Write answer in standard form a +bi
Bess [88]

(3 + 2i) - (5 - 7i)

Distribute the - sign

3 + 2i - 5 + 7i

Combine like terms

-2 + 9i

4 0
3 years ago
Easy<br> a) -2,-5.-8.-11,...
aleksklad [387]

Step-by-step explanation:

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6 0
2 years ago
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At a particular restaurant, each pizza roll has 60 calories and each mini hotdog has 70 calories. A combination meal with pizza
PolarNik [594]

Answer:

There are 9 pizza rolls and 12 mini hotdogs in the meal.

Step-by-step explanation:

We are given the following in the question.

Let x be the number of pizza rolls sold and y be the number of mini hotdogs in the combination meal.

Total number of items in combination meal = 21

Thus, we can write the equation:

x + y = 21

Calorie in a pizza roll = 60

Calorie in a mini hotdog = 70

Total calories = 1380

Thus, we can write the equation:

60x + 70y = 1380

Solving the two equations, we get,

60x + 70y - (60x+60y) = 1380 - 60(21) \\10y = 120\\\Rightarrow y = 12\\\Rightarrow x = 21-12 = 9

Thus, there are 9 pizza rolls and 12 mini hotdogs in the meal.

4 0
3 years ago
I need help with 7-11 if u do help me u get a lot of points !!! Please help now!!
Ludmilka [50]

Answer:

#7 = 430

#9 = 16

#11 = 930

Step-by-step explanation:

7 to the power of 2 is 49 /  49+3 is 52  /  52-9 is 43  / 43x10 is 430

66 divided by 11 is 5 /  5 +3 is 8   /   8 X2 is 16

18 -3 is 15  /  15 + 3 is 18 /  18 to the power of 2 is 324  /   324 - 14 is 310

310x3 is 930

3 0
2 years ago
What is the value of x ?
4vir4ik [10]

Answer:

What is the value of x?

Whenever we have a problem to solve we assume the unknown quantity(or value to be identified) as x. This is just a convention followed in algebra by using a variable to denote the unknown quantity and then arrive at the solution.

What is the value of X?

What's the value of X?

X + X = X, what is the value of X?

What is the value of x ? How can I find it?

Do you know the value of x?

Value of X can be any numerical value or anything but depends solely on your question .But I find no question ok lets take an example .

If an equation is given ,

X+2=4

=> X=4–2

=>X=2

We X's value as 2 .

Now another ,

X + Y = 5 , 2X + 5Y = 10

Now taking first equation

X = 5-Y ………………………..(1)

Now taking second equation

X= 10–5Y/2…………………(2)

Now,

2(5-Y) = 10–5Y

=> 10–2Y = 10–5Y

=> 2Y = 5Y

Y has no value here because this equation not correctly represented .

Hence ,

We conclude the value of X varies with equation .

Thank You ,

4 0
2 years ago
Read 2 more answers
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