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neonofarm [45]
3 years ago
8

What is -2 and 1/2 as a decimal​

Mathematics
2 answers:
disa [49]3 years ago
8 0
(-2.5) i think thats what ur looking for. if not, sorry!
olganol [36]3 years ago
5 0

Answer:

-2.5

Step-by-step explanation:

Just change 1/2 to .5 and there you have it. Negative two isn't a fraction or percentage so it doesn't need to be changed.

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2 years ago
Area of a parallelogram of base 10cm and height4cm
LekaFEV [45]
The formula for finding the area of a parallelogram is-
A=b*h   Where A=Area b=base length h=height
A=10*4
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8 0
3 years ago
A triangle has side lengths of 3 m, 5 m and 4 m. The triangle is enlarged so that the larger
kow [346]

Answer:

48 meters

Step-by-step explanation:

3*4 = 12

5*4 = 20

4*4 = 16

These are the sizes when the triangle enlarges with a scale factor of 4.

To find perimeter, you add the sides together

12+20+16 = 48

The perimeter is 48 meters

6 0
3 years ago
Read 2 more answers
If the tree cast a shadow of 40 feet, how tall is the tree? A. 30 feet. B.35 ft. C.40 ft. D.45 ft.
Juliette [100K]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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Given the following: P(A) =0.3 P(B) = 0.2 P(A OR B) = 0.5 P(A AND B) = 0 Which of the following is true?a. A and B are disjoint.
erastova [34]

Answer:

a. A and B are disjoint

Step-by-step explanation:

We know that P(A and B)=0, It means that event A and event B have nothing in common and it means that event A and event B are disjoints events.

The event A and event B are independent if

P( A and B)= P(A)*P(B)

P(A)*P(B)=0.3*0.2=0.06

So, P(A and B)≠P(A)*P(B)

Hence events A and B are not independent.

Option a is A and B are disjoints which is correct

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Option d states that A and B are disjoints and independent which is partially false as A and B are not independent.

Hence the correct option is option A.

5 0
3 years ago
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