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Viefleur [7K]
3 years ago
11

A ladder 3m leans against a wall. The foot of the ladder is 80cm from the wall. The distance the ladder reaches up the wall is:

Mathematics
2 answers:
Nostrana [21]3 years ago
6 0

Answer:

D

Step-by-step explanation:

Hope this helps. Have a great day

AnnZ [28]3 years ago
5 0

Answer:

d

Step-by-step explanation:

hope this helps :)

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Plz help me quick!!!!!!!!!!!!!!!
Sedbober [7]

Answer:

The answer is 1 over 5

Step-by-step explanation:

10 divided by 5 equals 2. That is your width. The same rule applies to your height. So you would get 10 over 50 which simplif equals 1 over 5.

6 0
3 years ago
Tell whether the following set is an empty set or not.
Liono4ka [1.6K]

Answer:

It is not an empty set

Step-by-step explanation:

A quadrilateral with 3 obtuse angles is possible.

A obtuse angle has a measure of more than 90 degrees and less than 180 degrees.

Let’s say three angles are measuring 91 degrees in a quadrilateral.

91 + 91 + 91 + x = 360

x = 87

The measure of the fourth angle is 87 degrees which is less than 360 degrees and is a positive integer, so it is possible.

7 0
3 years ago
Read 2 more answers
Drag the numbers to order them from greatest to least, with the greatest at the top.
astraxan [27]

Step-by-step explanation:

5.03709

4.923935

√17

√12

4 0
3 years ago
A staff gauge measures the height of the water level in a river compared to the average water level. At one gauge the river is 1
Juli2301 [7.4K]

The river will not reach a level of 7 ft. after 5 hours.

A linear equation is in the form:

y = mx + b

where y, x are variables, m is the rate of change and b is the initial value of y.

Let y represent the height of the water level after x hours.

Since the  river is 1 ft below its average water level and  begins to rise by a constant rate of 1.5 ft per hour. Hence:

b = -1, m = 1.5. The equation becomes:

y = 1.5x - 1

To reach a level of 7 ft. That is y = 7:

7 = 1.5x - 1

1.5x = 8

x = 5.3 hours

The river will not reach a level of 7 ft. after 5 hours.

Find out more at: brainly.com/question/13911928

5 0
2 years ago
Please please help me!!
podryga [215]
Answer: square root of three or 1.73205

Hope this helps :)
5 0
3 years ago
Read 2 more answers
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