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Stolb23 [73]
3 years ago
10

What is r squared+7r+6=0

Mathematics
1 answer:
Firlakuza [10]3 years ago
7 0

Answer:

r = -6, -1

Step-by-step explanation:

r^2 + 7r+6 =0

Factor

What 2 numbers multiply to 6 and add to 7

6*1 =6

6+1 =7

(r+6) (r+1) =0

Using the zero product property

r+6 =0        r+1 =0

r = -6            r=-1

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Answer:

82.5000001 Close to around this ( maybe .11 off)

Explanation:

27.5 ÷ .33333333 = 82.5000001

7 0
2 years ago
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Find the measure indicated
lesantik [10]

Answer:

B) 69°

Step-by-step explanation:

The missing measure is supplementary angle of 111° which means their sum is equal to 180°

180 - 111 = 69.

4 0
2 years ago
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Step-by-step explanation:

hope it helps

8 0
2 years ago
6.Identify the terms in the expression: 9 + 11y – y2 + y3 – 4y4
Maslowich
<span>6. 9 + 11y – y2 + y3 – 4y4 
This expression has 5 terms.

7. </span><span>(2a + 3b) + 4c = 2a + (3b + 4c) 
Associative property of addition, because you're moving the parentheses. 
</span><span>
8. </span><span>If m = 4 and n = 4, then m = n
Substitution property.

9. </span><span>-9 + 5 – (-2) + 17
-4 - (-2) + 17
-2 + 17
15

10. </span><span>- 35 - (- 13 )
-22

11. -40 + 23 - 19 + 31
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36 + 21
57

12.</span><span> (-2)³
-2 * -2 * -2
-8

13. - 925

14. </span><span>15(3y – 5)
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5 0
3 years ago
Help me answer this please
Marizza181 [45]

Answer:

77 feet below sea level.

Step-by-step explanation:

Since y is the time the submarine is ascending, we can plug it in for y and find our answer. We can create an equation where D is the depth and y is time ascending: D = -230 + 17y

Substitute 9 for y:

D = -230 + 17(9)

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The depth of the submarine after 9 minutes will be 77 feet below sea level. Hope this helps, and Brainly will be highly appreciated.

7 0
2 years ago
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