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Usimov [2.4K]
3 years ago
7

Divide (2x^2+x-45) by (x+5)​

Mathematics
2 answers:
Sidana [21]3 years ago
6 0

Answer:

2x-9 is your answer

Step-by-step explanation:

Ugo [173]3 years ago
3 0

Answer

2x-9

Step-by-step explanation:

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Cordial is mixed with water in the ratio of 1 : 4. How much cordial is needed to make a mixture of 2 L?
Kitty [74]

Answer: If the ratio of 1:4 Cordial and water mixture is a total of 1 L, then you need a ration of 2:8 Cordial mixture two make 2 Liters mixture.

Explanation: In every 1 Cordial mixture, there is added 4 mixtures of water. (I suppose the 1:4 ratio is 1 L together). To make two Liters, we need twice as many proportions. That would mean we will need a ratio of 2:8 of cordial and water.

If I misunderstood the problem, please explain the 1:4 ratio. I need to know how many Liters is the 1:4 ratio. Is it 1/4 of a liter? 1:4 adding up to 1 Liter?

If we don't know how much Liters are in that ratio, we can't find how much Liters of mixture we need to add of both Cordial and Water to make a mixture of 2 Liters.

3 0
3 years ago
(a) Omar changed 800 rands into dollars when the rate was $1 = 6.25 rands.
fenix001 [56]

Answer:$128

Step-by-step explanation:

If $1=6.25 rands then we must divide 800 by 6.25

5 0
3 years ago
Some help please please
Tpy6a [65]

Answer:

8\sqrt{2}

Step-by-step explanation:

To find the length of an isosceles triangle, you know that the angles of the triangle are 45-45-90, so let's use that triangle theorem.

Therefore, the length of the hypotenuse (BD) is x\sqrt{2}, and x is equal to 8 (length of BC).

x\sqrt{2}

x=8

Therefore, 8\sqrt{2} would be the length of side BD.

5 0
3 years ago
Read 2 more answers
Can any one please do this for me I did not know how to do it can some one please help me
CaHeK987 [17]

Answer:

Length ≈ 31cm

Width ≈ 10cm

Step-by-step explanation:

Let -the-length-be : x\\Let-the-width-be :y\\\\According- to- the- question ; \\x = 3(y)\\x=3y ---------(1)\\2(l+w)=82\\2(x+y)=82\\2x+2y =82 --------(2)\\Substitute- the - given- value- for ; x -in - equation---(1) into -equation (2)\\2(3y)+2y =82\\6y+2y=82\\8y =82\\\frac{8y}{8} =\frac{82}{8} \\y = 10.25\\\\Substitute 10.25 -for ;y -in -eq 1\\x=3y ---------(1)\\x = 3(10.25)\\x = 30.75

CHECK

Length =31\\Width = 10\\P = ?\\P= 2(l+w)\\P = 2(31+10)\\P = 2(41)\\P= 82cm

3 0
3 years ago
Helo. wat 2 add 2...plz help me i ned help
egoroff_w [7]

Answer:

what

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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