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snow_lady [41]
3 years ago
7

5. Which of the following is a solution to x2 – X – 6 = 0?

Mathematics
2 answers:
Andreas93 [3]3 years ago
8 0

Answer:

The answers are x=3;x= -2.Good luck!

frez [133]3 years ago
8 0

Answer:

x² - x - 6 = 0

x²- (3 - 2)x - 6 = 0

x² - 3x + 2x - 6 =0

x(x - 3) + 2(x - 3) = 0

(x - 3) (x + 2) = 0

x - 3 = 0

x = 3

x + 2 = 0

x = -2

x= 3 and x = -2

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7 0
3 years ago
The heights of two similar cylinders are 3cm and 4cm respectively. The total area of the bigger cylinder is 400cm².Calculate the
shusha [124]

Answer:

Step-by-step explanation:

Total surface area = 2πr(r+h)

If the total area of the bigger cylinder is 400cm² and radius is 4cm, then;

400=2(3.14)(r)(r+4)

400= 6.26r(r+4)

400=100.48 + 25.12h

299.52 = 25.12h

H = 299.52/25.12

H = 11.92cm

For the smaller cylinder

The height is calculated as;

H/h = R/r

11/92/

8 0
2 years ago
3 l = _____ dl<br><br> A. 0.3<br> B. 0.03<br> C. 300<br> D. 30
Andru [333]

Answer: The correct option is D, i.e.,30.

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We know that,

1 liter = 10 deciliter

It means,

1 l = 10 dl

Multiply both sides by 3,

1\times 3 l = 10\times 3 dl

3 l = 30 dl

Therefore, the correct option is D and 3 l = 30 dl.

6 0
3 years ago
The length of the hypotenuse of a 30°-60°-90° triangle is 16. What is the perimeter?
Tresset [83]

Answer:

-126

Step-by-step explanation:

I used a calculator:3

5 0
2 years ago
Find the area of a room that is 28 feet long and 46 feet wide?
Oxana [17]

Answer:

A =1288 ft^2

Step-by-step explanation:

A = l*w

A = 28*46

A =1288 ft^2

8 0
3 years ago
Read 2 more answers
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