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vredina [299]
3 years ago
9

What is 8x-3y=-9 5x+4y=12

Mathematics
1 answer:
Andrews [41]3 years ago
3 0
I hope this helps you

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Write a complete sentence that describes the meaning of h(8)=48
dusya [7]
If h(8)=48 that means that h=6 because 6 multiplied by 8 equals 48.
4 0
4 years ago
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X:y=5:3 and x+y=56 work out the value of x-y
Vladimir79 [104]

x - y = 14

given the ratio x : y = 5 : 3

then let x = 5x and y = 3x, hence equation can be expressed as

5x + 3x = 56

8x = 56 ( divide both sides by 8 )

x = 7

Hence x = 5 × 7 = 35 and y = 3 × 7 = 21

Thus x - y = 35 - 21 = 14


6 0
3 years ago
<img src="https://tex.z-dn.net/?f=y%20%7B%7D%5E%7B2%7D%20%20%2B%205y%20-%2024" id="TexFormula1" title="y {}^{2} + 5y - 24" alt=
Nastasia [14]

Factor the trinomial

y^2+5y-24

by the box method.

The multiplication gives -24y^2. Now we need to find two factor that gives 5x. It should be creal that this factor are 8y and -3y. Then:

Now we find the common factor for each column and row:

Therefore:

y^2+5y-24=(y-3)(y+8)

8 0
1 year ago
Which expression is a perfect cube? <br> A)x^8<br> B)y^24<br> C)m^28<br> D)s^64
Sholpan [36]
The answer is B
Y^24
6 0
3 years ago
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How to find the volume of a sphere that has a radius of 17
zalisa [80]
V= 4/3 π R^3 
17 x 17 x 17 = 4913 x 4 = 19652 / 3 = 6550.66667
or 6550.7
6550.7 x 3.14 = <span>20569.198
V = 20569.2</span>
6 0
4 years ago
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