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shutvik [7]
2 years ago
14

Evaluate : X + 2 ( x -20) (4) for x = 10

Mathematics
1 answer:
Oxana [17]2 years ago
6 0

Answer:

x + 2 ( x - 20 )( 4 ) = -70

Step-by-step explanation:

hope this helps. . .<3

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What is the solution set of this inequality? -8x-1&gt;3x+14​
Nezavi [6.7K]

Answer:

5 the guy above is right

Step-by-step explanation:

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3 years ago
In a large marathon, runners start the race in stages. Leanna started in group E and ran at a rate of 4.8 miles per hour. During
grandymaker [24]

Answer: Leanna ran 39.96 miles before she was passed by Irina.

Step-by-step explanation:

When Irina would pass Leanna, they would have ran the same distance.

Let t represent the time that Leanna ran before she was passed by Irina.

Distance = speed × time

Leanna started in group E and ran at a rate of 4.8 miles per hour. The distance ran by Leanna before she was passed by Irina is

4.8 × t = 4.8t

During the race she was passed by Irina who ran at a rate of 5 miles per hour and started in group H, 20 minutes(20/60 = 0.333 hour) after Leanna started. The time spent by Irina in running this distance is

t - 0.333

Distance ran by Irina is

5(t - 0.333) = 5t - 1.665

Since they ran the same distance, then

4.8t = 5t - 1.665

5t - 4.8t = 1.665

0.2t = 1.665

t = 1.665/0.2 = 8.325 hours

Therefore, the distance that Leanna ran before she was passed by Irina is

4.8 × 8.325 = 39.96 miles

6 0
3 years ago
Help me!!!! Pls ASAP
ehidna [41]

Answer:

-\frac{1}{2}

Step-by-step explanation:

To get the slope you have to find the difference in Y and put it over the difference in X.  (x2-x1)/(y2-y1). You plug in the points and you get -1/2

8 0
2 years ago
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What is the value of 1 in the number 153732991
dimulka [17.4K]
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7 0
3 years ago
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Write the number another way. 9 tens 5 ones
galina1969 [7]
Its 95
 
Tens = 90
Ones = 5

90 + 5 = 95
5 0
3 years ago
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