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3 years ago

15

Which graph shows the solution set of -2 + H - -4 -3 -2. -1 0 1 2. 3 4 5 o

r> 1
-1
H
+
H
-3
-2
0
1
2
3
4
5
O
-4
-3
- 1
1
2
3
4
5
o
1
-3
-
-1
1
2
3
4
5

2 answers:

natulia [17]3 years ago

6 0

Answer:

Where is the graph?

navik [9.2K]3 years ago

4 0

2nd one hope this helps

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A researcher who was conducting a study caught, tagged, and released 95 opossums. Weeks later, the researcher caught a total of

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Answer:

Your answer would be 850

Step-by-step explanation:

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2 years ago

gabby's piggy bank contains dimes and nickels worth $6.40. If she has 84 coins in all, how many of each does she have?

Sergeu [11.5K]

If we let Q be the number of quarters and N be number of nickels, this is the formula we would use:
[1] 25Q + 5N = 635 (using cents instead of dollars)

We also know something about Q and N.

[2] Q + N = 51

So multiply both sides of the second equation by 5. The reason we do this is because we're going to need to cancel out one of the variables (either Q or N) to solve for the other one. If we multiply times 5, we'll have 5N in both equations.
5Q + 5N = 255

Now we have two equations, and the second one can be subtracted from the first.

25Q + 5N = 635
-(5Q + 5N) = -255
---------------------
20Q = 380
so
Q = 19

There are 19 quarters.

And since there are 51 coins in all, 51-19 = 32 nickels.

5 0

3 years ago

Solve for x in the given interval.

Nat2105 [25]

Answer:

7pi/2

Step-by-step explanation:

Given the expression cosec x = -1

I'm trigonometry csecx = 1/sinx

The equation becomes

1/sin(x) = -1

Sinx = -1

x = arcsin(-1)

x = -90°

x is negative in the third and 4th interval

Third interval;

x = 180+90

x = 270°

x = 3pi/2

Since the angle should be within 3pi < x < 4pi

Add 2pi to the angle

x = 2pi+ 3pi/2

x = 7pi/2

Hence the required angle is 7pi/2

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A deep-sea diver explores fish at an elevation of -20.5 feet. Then the diver descends 60.5 feet the elevation of the top of the

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If he descends 60.5 feet from the top of the reef, then the elevation to the top of the reef is 60.5 feet

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3 years ago

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Round 9,526,789 to the nearest hundred thousand

tino4ka555 [31]

Answer:

9,500,000. the ten thousands place has a two, which is one less than 3, rendering the 6 in the thousand's place ineffective

Step-by-step explanation:

4 or less let it rest, 5 or more let it score

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3 years ago