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3 years ago

What's the correct answer to this? Please help..

Mathematics

2 answers:

Zepler [3.9K]3 years ago

8 0

Answer: C

Step-by-step explanation:

Simplify(Subtract 2)

x > 0

Greater than is represented by a open circle with an arrow pointing right. Because x is greater than <u>0</u>, the point must be on 0.

Hope it helps <3

Troyanec [42]3 years ago

8 0

Answer:

Step-by-step explanation:

The inequality is x+2 > 2

x+2 >2 substract 2 from each side
x+2-2 > 2-2
x > 0

x > 0 means that x is positive

so the graph must start from 0 and then should grow towrd the positive value

since we have x > 0 then 0 should be excluded

the graph that fits our solution is c where 0 is excluded

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konstantin123 [22]

Answer:

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Step-by-step explanation:

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2 years ago

The altitude of a triangle is 2 m longer than its base. What are the dimensions of the altitude and the base if thearea of the t

HACTEHA [7]

Step-by-step explanation:

Let base of triangle be x m.

Therefore, altitude =( x + 2)m

$area \: of \: \triangle = \frac{1}{2} \times base \times altitude \\ \\ 40 = \frac{1}{2} \times x \times (x + 2) \\ \\ 80 = {x }^{2} +2x \\ \\ {x}^{2} + 2x - 80 = 0 \\ {x}^{2} + 10x - 8x - 80 \\ x(x + 10) - 8(x + 10) = 0\\ (x + 10)(x - 8) = 0 \\ x + 10 = 0 \: \: or \: \: x - 8 = 0 \\ x = - 10 \: \: or \: \: x = 8 \\ base \: can \: not \: be \: - ve \\ x \neq - 10 \\ x = 8 \\ x + 2 = 8 + 2 = 10 \\$

Therefore

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3 years ago

How do you know what fraction is bigger

nordsb [41]

Find a common denominator. Typically, the greater the denominator, the smaller the piece.

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3 years ago

Read 2 more answers

Please help ASAP!!

Ugo [173]

Answer:

Turtle = 11 m / min

Snail = 1 m / min

Total approach speed = 12 m/min

360 m / (12 m/min) = 30 min

Separation is 30 min at assumed speed of 1 m/min

But we know the separation is 40 min

So turtle moves at 3/4 * 11 m / min = 33 m/ 4 min

Snail moves at 3/4 * 1 m /min = 3/4 m / mi

Total approach speed = (33 + 3) / 4 = 9 m / min

So in 40 min

9 m / min * 40 min = 360 m

(Leaving out those units, they approach at 12 * unit of speed)

So the unit of speed has to be 360 m / 40 min = 9 m / min

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2 years ago

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OLEGan [10]

1 up and 5 to left :)

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3 years ago