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Katena32 [7]
3 years ago
12

I need help please it’s a test

Mathematics
2 answers:
Elden [556K]3 years ago
8 0

Answer:

Set b

Step-by-step explanation:

IRISSAK [1]3 years ago
8 0
The answer is B for that question
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Two angles in a triangle have measures of 25° and 55°.
rosijanka [135]

Answer:

B) 100

Step-by-step explanation:

All 3 interior angles of a triangle add up to 180 so:

x + 25 + 55 = 180

x + 80 = 180

x = 180 - 80

x = 100

4 0
3 years ago
The cost of pool service includes labor and supplies. labor is 80% of the total cost. the cost of labor for a certain pool servi
laila [671]

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I know im late but the answer is 275 I just took the test on k-12

Step-by-step explanation:

3 0
2 years ago
70 points
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Answer:

500

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3 0
3 years ago
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Find the interval(s) over which the function is decreasing
son4ous [18]

Answer : (0,3) U  (3, ∞)

We need to find  the interval(s) over which the function is decreasing

We look at the intervals of x  where the graph is decreasing

Decreasing interval of the graph is the part where the graph goes down

We look at the part where the graph changes direction

In the middle  inverted U shaped graph , the graph changes direction and start decreasing at x=0

the graph is decreasing till x=3

so first decreasing interval is x=0  to 3. we write it as (0,3)

After x=3 the graph starts decreasing and it goes to infinity

So the second decreasing interval is 3  to infinity . We write it as (3, ∞)

Now combine both intervals by a 'U' union

(0,3) U  (3, ∞)

7 0
3 years ago
Review the diagram of a locket in the shape of an ellipse.
Helen [10]

Answer:

B

Step-by-step explanation:

If you graph y^2/361 + x^2/169=1 you will get the same graph depicted in the equation.

8 0
3 years ago
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