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2 years ago

Please i need your hep

Mathematics

1 answer:

Svetlanka [38]2 years ago

3 0

Answer:

a. 3

b. 12

c. In. and "

d. ft. and '

Step-by-step explanation:

c. 13in. or 13"

d. 13ft. or 13'

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A house hunter on Long Island estimates that 20% of the available houses in her price range are in acceptable condition. Further

Otrada [13]

Answer:

36% probability that she will find an acceptable house in the first two weeks that she looks.

Step-by-step explanation:

For each house, there is a 20% probability of it being acceptable. And a 100-20 = 80% of not being acceptable

What is the probability that she will find an acceptable house in the first two weeks that she looks (round off to second decimal place)?

She only looks one house a week.

So this is the same as the probability of taking two or less weeks to find a house.

The are two outcomes

Finding an acceptable house in the first week, with 20% probability

Not finding an acceptable house in the first week, with 80% probability, and then finding an acceptable house in the second week, with 20% probability.

Probability:

$P = 0.2 + 0.8*0.2 = 0.36$

36% probability that she will find an acceptable house in the first two weeks that she looks.

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3 years ago

PLEASE HELP. A rainwater collection tank contained 40 inches of water. After 4 days of rain, the level had risen to 52 inches. L

Zigmanuir [339]

40 + y = 52 is the answer and the answer to y is 12

7 0

3 years ago

When point B (5, -1) is rotated 180º about the origin, its coordinate becomes (-5, 1).

Shtirlitz [24]

When a point (x,y) rotated 180⁰ about origin, the new point will be (-x, -y).

So,

if we have (5, -1), it should become (-5, 1).

So,

answer is true.

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3 years ago

Identify the vertex and the y-intercept of the graph of the function y--(x+3 +4

Daniel [21]

The vertex is at (-3, 4)

This can be found by looking at the basic form of vertex form:

y = (x - h)^2 + k

In this basic form the vertex is (h, k). By looking at what is plugged into the equation, it is clear that h = -3 and k = 4. This means the vertex is at (-3, 4).

The y-intercept is at 13. To find this we must first square the parenthesis and get the equation into standard form.

y = (x + 3)^2 + 4

y = x^2 + 6x + 9 + 4

y = x^2 + 6x + 13

Now we know that the y-intercept is equal to the constant, which is the last number in the equation.

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4 years ago

Mary lost 30 lbs. Before her diet she weighed 180 pounds. What is the percent of change?

Anestetic [448]

Answer:

The percent change is 16.67

Step-by-step explanation:

7 0

4 years ago

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