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2 years ago

What must you do if the base is not a triangle or rectangle?

Mathematics

1 answer:

nikklg [1K]2 years ago

7 0

Answer:

please write complete question

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Wilda can do a job in 4 hours that karla needs 5 hours to do. If wilda works 1 hour before karla joins her, how long will it tak

mezya [45]

Wilda can do the job in 4 hours ... she does 1/4 (or 0.25) of it each hour.
Karla can do it in 5 hours ... she does 1/5 (or 0.2) of it each hour.

Wilda worked alone for 1 hour ... 0.25 of the job was done before her helper
arrived. So only 0.75 of the job remained to be done together.

Working together, they accomplish (0.25 + 0.2) = 0.45 of the job in 1 hour.

How many times do they need to do 0.45 of the job in order to finish
the 0.75 of it that remains ? That's the number of hours it will take them,
working together.

0.75 / 0.45 = 1 and 2/3

After Wilda worked alone for 1 hour and Karla came along to join her, it will
take them another 1 hour and 40 minutes to finish the job and go for a swim.

8 0

2 years ago

Convert 88% to a fraction. a 1/8 b 22/25 c 23/50 d 22/55

Elena L [17]

Answer:

The correct answer is B 22/25

Step-by-step explanation:

hope this helps u ;)

7 0

2 years ago

Actually thats wrong bc my teacher did it with us but i really dont know the answer

Dvinal [7]

Answer:

???

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

A ball is thrown into the air. The height h, in feet, of the ball after x seconds is given by the function h = −16(x − 2)2 + 72.

Anon25 [30]

Answer:

A. -16x²+64x+8

B. 72 ft.

Step-by-step explanation: A. Expand the perfect square binomial -16(x²-4x+4)+72, dist. -16 (-16x²+64x-64+72), then combine like terms (-16x²+64x+8)

B. Find the abs. max. by looking back at the vertex form. The max is (2,72). Use the y-value for the height.

3 0

2 years ago

I need the answer quick I have a time limit ( I only get an hour to complete the assignment heh )

Sedaia [141]

Answer:

C (the third table, from the second picture).

Step-by-step explanation:

First, we need to find the slope of the graph.

Two conspicuous points are (0, -3) and (2, 1).

The slope is: (1 - -3) / (2 - 0) = (1 + 3) / 2 = 4 / 2 = 2.

A: In the table, the y-values increase by 2, while the x-values increase by 4. 2 / 4 = 1 / 2 = 0.5. The slope is not the same as the graph.

B: In the table, the y-values decrease by 2, while the x-values increase by 4. -2 / 4 = -1 / 2 = -0.5. The slope is not the same as the graph.

C: In the table, the y-values increase by 4, while the x-values increase by 2. 4 / 2 = 2 / 1 = 2. The slope is the same as the graph, so C is your answer.

D: In the table, the y-values decrease by 4, while the x-values increase by 2. -4 / 2 = -2 / 1 = -2. The slope is not the same as the graph.

Hope this helps!

4 0

2 years ago