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Anit [1.1K]
3 years ago
12

If the product of 2 positive fractions a and bid 15/56 find3 pairs of possible values for a and b

Mathematics
1 answer:
Marizza181 [45]3 years ago
5 0
Factors of 15: 1, 3, 5
factors of 56: 2, 4, 7, 8,14, 28
3 pairs of possible values of a and b are
5/14 and 3/4; 1/2 and 15/28; 3/7 and 5/8
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Every round in a competition costs 30 diamonds and you get 10 shards. How many diamonds will it cost you to reach 1,024 shards?
Firdavs [7]

Answer:

3,090 diamonds

Step-by-step explanation:

To get 10 shards, you need to spend 30 diamonds.

First thing we need to find, how many rounds you need to play to get 1,024 shards if in each round you win 10 shards?

1,024/10 = 102,4

But you can not play 102.4 rounds, you only can play whole numbers, so we need to round it to the next whole number (not the previous one, because in that case, we would get less than 1,024 shards)

Then you need to play 103 rounds.

And each round costs 30 diamonds, then the total number of diamonds that you need is:

103*30 diamonds = 3,090 diamonds

3 0
3 years ago
The sides of a rectangle have length x+ 2 and width x -5. Which equation describes the area, A, of the rectangle in terms of x?​
Yakvenalex [24]

Answer:

The area in factored form is A=(x+2)(x-5).

The area in standard form is A=x^2-3x-10.

Step-by-step explanation:

The area of a rectangle is length times width.

So the area here is (x+2)(x-5).

They are probably not looking for A=(x+2)(x-5) because it requires too little work.

They probably want A in standard form instead of factored form.

Let's use foil:

First x(x)=x^2

Outer: x(-5)=-5x

Inner: 2(x)=2x

Last: 2(-5)=-10

---------------------Adding together:  x^2-3x-10.

The area in factored form is A=(x+2)(x-5).

The area in standard form is A=x^2-3x-10.

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3 years ago
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Snowcat [4.5K]
17/16 is the answer since 1/2 is equal to 8/16. 8+9 is 17
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8 0
3 years ago
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12a +5 identify the coefficient
ioda

Answer:

The coefficient is "12"

Step-by-step explanation:

Step 1: Encircle the variable along with its power whose coefficient we are finding.

Step 2: Leave that variable and consider all other numbers or variables written with it. That will be the coefficient.

4 0
3 years ago
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