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3 years ago

Solve the inequality 3 - 5(2x + 1) ≤ 10.

Mathematics

2 answers:

e-lub [12.9K]3 years ago

6 0

Answer:

The answer is A: x is greater than or equal to - 6/5, or x\ge \:-\frac{6}{5} .

Step-by-step explanation:

Rus_ich [418]3 years ago

5 0

3-5(2x+1) < 10
3-10x-5<10
-10x-2<10
-2<10+10x
-12<10x
-1.2x>-1.2

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6.79x10 to the second power written in standard form

seraphim [82]

The answer would be 679 :)

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3 years ago

It takes at 45 minutes to complete his science homework. It takes him 2/3 as long to complete his math homework. How long does i

Llana [10]

Answer:

30 minutes

Step-by-step explanation:

45 = 15 +15 +15 (3 parts of 15)

2 parts of 15 = 30

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3 years ago

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Suppose S and T are mutually exclusive events. Find P(S or T). P(S) = 20%, P(T) = 22%

Svetradugi [14.3K]

S and P are mutually exclusive events.
P ( S ) = 20% = 0.20
P ( T ) = 22 % = 0.22
The probability of mutually exclusive events:
P ( S or T ) = P ( S ) + P ( T )
P ( S or T ) = 0.20 +0.22 = 0.42
Answer: The probability of ( S or T ) is 0.42 or 42 %.

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3 years ago

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Evaluate √ 9.6230 * 2.340 / 5.3 10 * 3.721

adoni [48]

Answer:

$\sqrt{15.76}$

Step-by-step explanation:

$\sqrt{9.6230 \frac{2.340}{5.310}3.721 }$

Lets solve the fraction first

$\frac{2.340}{5.310} =0.44$

9.6230 x 0.44 = 4.23

4.23 x 3.721 = 15.76

$\sqrt{15.76}$

7 0

3 years ago

Part A: If the radius of the Earth is 3960 miles, then estimate the amount of surface area of

Bond [772]

Answer:

Surface area of Torrid Zone (cylinder shape) = 80,897,143 miles² (Approx)

Step-by-step explanation:

Given:

Radius of the Earth = 3,960 miles

Find:

Surface area of Torrid Zone (cylinder shape) = ?

Computation:

We know that, distance between two tropics is 3,250 miles.

So, Height = 3,250 miles

$Surface\ area\ of\ Torrid\ Zone=2\pi rh\\\\Surface\ area\ of\ Torrid\ Zone=2\times \frac{22}{7}\times 3,960 \times 3,250\\\\Surface\ area\ of\ Torrid\ Zone=80,897,142.9$

Surface area of Torrid Zone (cylinder shape) = 80,897,143 miles² (Approx)

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4 years ago