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valentina_108 [34]
3 years ago
9

Please help with this math

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
6 0

Answer:

jqajgabaNJabba

Step-by-step explanation:

bjHBabBJajabanaa

liq [111]3 years ago
3 0

x=2+½*\sqrt{10}

or

x=2-½*\sqrt{10}

Answer:

Solution given:

y=2x²-5x+6.....[1]

y=3x+3.........….[2]

solving equation 1&2

2x²-5x+6=3x+3

2x²-5x-3x+6-3=0

2x²-8x+3=0

comparing above equation with ax²+bx+c=0 we get

a=2

b=-8

c=3

by using quadratic equation

x=\frac{+8±\sqrt{(-8)²-4*2*3}}{2*2}

x=\frac{+8±2\sqrt{10}}{4}

taking positive

x=\frac{+8+2\sqrt{10}}{4}

x=2+½*\sqrt{10}

taking negative

x=2-½*\sqrt{10}

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If y varies directly with x and y=2 when x=15. Find x when y=8.
andreyandreev [35.5K]
Since the two numbers vary directly, if Y is quadrupled, X will do the same.  2 times 4 is 8, 15 times 4 is 60.

X = 60.

Hope that helps!! :)


8 0
3 years ago
Read 2 more answers
If a 750 ml bottle of juice costs £1.90 and a 1 litre bottle of the same juice costs £2.50 then the 750 ml bottle is better valu
frozen [14]

Answer:

The 1 liter bottle is better value

Step-by-step explanation:

Cost of 750 ml = £1.90

Cost of 1 liter = £2.50

1000 ml = 1 liter

Cost per 250 ml

750 ml / 3 = £1.90 / 3

250 ml = £0.6333333333333

Approximately,

£ 0.633

Cost per 250 ml

1 liter / 4 = £2.50 / 4

250 ml = £0.625

The 750 ml bottle is not a better value

The 1 liter bottle is better value

5 0
3 years ago
What is the volume of the prism that can be constructed from this net?<br><br><br> units3
kirza4 [7]
3×9=27
27×7=189 units³

I hope this helped!!!:)
4 0
3 years ago
Read 2 more answers
DONT IGNORE!!! I NEED HELP: NO LINKSS
tankabanditka [31]

Answer:

39 ft²

Step-by-step explanation:

11 ft × 3 ft = 33 ft²

2 ft × 3 ft = 6 ft²

33 ft² + 6 ft² = 39 ft²

4 0
3 years ago
4 + 3s + 2<br> Terms:<br> Coefficients:<br> Constants:<br> Answer
USPshnik [31]

▬▬▬▬▬▬▬▬▬▬▬▬

<h3>4 + 3s + 2 </h3>

→ Terms - <u>Three</u> (<u>Trinomial</u>)

→ Coefficient - <u>3</u>

→ Constants - <u>4</u> and <u>2</u>

▬▬▬▬▬▬▬▬▬▬▬▬

8 0
3 years ago
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