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nikdorinn [45]
3 years ago
8

Please help quickly, will give brainliest to the correct answers for these problems :)

Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
7 0

Answer:

Step-by-step explanation:

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Please help!!! Answer needed fast<3
zhannawk [14.2K]

Answer:

-5 + 6 = 1

Step-by-step explanation:

The model number may be used to simplify -5 + 6 = 1

3 0
2 years ago
Write the numbers in the blanks that make this equation true.<br><br> ( 2 + 1 ) + 3 = 2 + ( _ + _ )
Marta_Voda [28]
(2+1)+3=2+(2+2)

Any two numbers that add to 4.
7 0
1 year ago
a trapezoide has an area of 150 square meters. If the bases are 14 meters and 16 meters, what is the height of the trapezoid​
SIZIF [17.4K]

Answer:

h = 10 m

Step-by-step explanation:

The formula for area of a trapezoid is  

A = (1/2)(B + b)h   where B is the bottom base, b is the top base, and h is the height.  

We are given B = 16, b = 14, and A = 15, plug those values in and simplify

150 = (1/2)(16 + 14)(h)

      150 = (1/2)(30)(h)

          150 = (15)h             (half of 30 is 15)

                10 m =  h       (divide both sides by 15 to isolate h)

6 0
3 years ago
Find ????⋅ ???? if |????|=3 , |????|=9 , and the angle between ???? and ???? is π2 radians.
mrs_skeptik [129]

Answer:

a{\cdot}b=0

Step-by-step explanation:

It is given that,

Magnitude of a A, |A|=3

magnitude of B, |B|=9

The angle betwern a and b is \dfrac{\pi}{2}\ rad=90^{\circ}

Dot product,

a{\cdot} b=|a||b|\ \cos\theta\\\\a{\cdot} b=3\times 9\times \ \cos(90)\\\\a{\cdot} b=0

So, a.b is equal to 0.

5 0
3 years ago
1/4 of women have a disability. If there are 56 women in a
slavikrds [6]

Answer:

14

Step-by-step explanation:

Because 1/4 of women have a disability, you would expect 1/4 * 56 = 14 women to have a disability out of 56 women.

6 0
3 years ago
Read 2 more answers
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