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kotegsom [21]
3 years ago
5

1. Write the solution set in interval notation: 3x-2 > x-4 or 7x-5 < 3x+3

Mathematics
2 answers:
chubhunter [2.5K]3 years ago
8 0
3x-2>x-4 \hbox{ or } 7x-5x-4 \\&#10;3x-x>-4+2 \\&#10;2x>-2 \\&#10;x>\frac{-2}{2} \\&#10;x>-1 \\ \\&#10;7x-5
Yakvenalex [24]3 years ago
5 0
3x-2>x-4\ \ | subtract\ x\ \ \ \ \textbf{or}\ \ \ \ 7x-5-4\ \ | add\ 2\ \ \ \ \ \textbf{or}\ \ \ \ 4x-5-2\ \ \ \ \  \textbf{or}\ \ \ \ \ 4x-1\ \ \ \ or\ \ \ \ x
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Two fair number cubes are rolled. What is the probability the numbers are equal or the sum is odd?
Marat540 [252]

Answer:

0.6667 = 66.67%

Step-by-step explanation:

If each number cube has 6 numbers, the two cubes have a total of 6 * 6 = 36 results.

To have equal numbers in each cube, the cases are:

(1,1), (2,2), (3,3), (4,4), (5,5), (6,6) -> 6 cases

To have a odd sum, the cases are:

(1,2), (1,4), (1,6),

(2,1), (2,3), (2,5),

(3,2), (3,4), (3,6),

(4,1), (4,3), (4,5),

(5,2), (5,4), (5,6),

(6,1), (6,3), (6,5). -> 18 cases

So we have a total of 18 + 6 = 24 cases, then the probability is:

P = 24 / 36 = 0.6667 = 66.67%

5 0
2 years ago
Simplify the expression: -3(4a-5b)
jok3333 [9.3K]
 −<span>3<span>(<span><span>4a</span>−<span>5b</span></span>)</span></span><span>=<span><span>(<span>−3</span>)</span><span>(<span><span>4a</span>+<span>−<span>5b</span></span></span>)</span></span></span><span>=<span><span><span>(<span>−3</span>)</span><span>(<span>4a</span>)</span></span>+<span><span>(<span>−3</span>)</span><span>(<span>−<span>5b</span></span>)</span></span></span></span><span>=<span><span>−<span>12a</span></span>+<span>15<span>b</span></span></span></span>
6 0
2 years ago
As an estimation we are told 5 miles is 8 km. <br> Convert 27.4 miles to km.
kicyunya [14]

Answer:

43.8 km to the nearest tenth.

Step-by-step explanation:

5 miles is 8 km

so 1 mile = 8/5 km

and 27.4 miles = 27.4 * 8/5

= 43.84 km

7 0
3 years ago
Read 2 more answers
Mr. Johns. is building a 5-sided fence. The Planks he is using are 5 In wide. The fence is 30 feet long on each side
ANTONII [103]
Answer is a have a good day
6 0
3 years ago
Read 2 more answers
5 x 10^-4 + 9.5 x 10^-4
Basile [38]

Answer:

290

Step-by-step explanation:

I ask google it says 290

4 0
3 years ago
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