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kirza4 [7]
3 years ago
13

Solve the inverse for k 2(k-12)-5(k+2)<-9k+4k

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
6 0
Answer: K< 17
_____________
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The Price family and the Jenkins family each used their sprinklers last summer. The water output rate for the Price family's spr
PIT_PIT [208]

Set up two equations:

1st:  P (for Price family) + J (for Jenkins family) = 45 hours

2nd: 20P + 35J = 1200 liters

Rewrite the first equation as P = 45 – J

Replace P in the second equation:

20(45-J) + 35J = 1200

Simplify:

900 -20J + 35J = 1200

900 +15J = 1200

Subtract 900 from both sides:

15J = 300

Divide both sides by 15:

J = 300/15

J = 20

Jenkins used theirs for 20 hours

Price used theirs for 45-20 = 25 hours.

7 0
3 years ago
Please solve this question <br>the answer is 45 degree ​
malfutka [58]

Answer:

∠ABC= 45°

Step-by-step explanation:

∠ABC= ∠BCD (alt. ∠s, AB//CD)

(2x +15)°= (3x)°

2x +15= 3x

3x-2x= 15 <em>(</em><em>-2x </em><em>on </em><em>both </em><em>sides)</em>

x= 15

Substituting the value of x:

∠ABC

= ∠BCD

= [3(15)]°

= 45°

7 0
2 years ago
256 to the nearest 100
Nesterboy [21]

Answer:

300.

Step-by-step explanation:

256 is closer to 300 than it is to 200 so it rounds to 300.

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3 years ago
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3: Find the slope:<br> (2, 18), (4, 28)<br> What’s the slope ?
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Answer:

5

Step-by-step explanation:

use the formula y2-y1/x2-x1 = 28-18/4-2=10/2=5

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Please find attached photograph.

The answers are:

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