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Sophie [7]
3 years ago
11

Distributive property of the product of 127 and 32

Mathematics
1 answer:
NISA [10]3 years ago
7 0
127(32) could be re-written as (130-3)(30+2).  To evaluate this, we'd use the distributive property of multiplication:  130(30) + 130(2) - 3(30) -3(2).

That comes out to 3900 + 260 - 90 - 6.  Combine the positive terms.  Then combine the negative terms.  Last, combine the single positive term with the single negative one:  4160 - 96 = ?
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Help please I need to find the area I don’t know how thanks
otez555 [7]

Answer:

49.62

Step-by-step explanation:

You can start by dividing the shape into 2 separate rectangles to make calculating the area easier.

9.3 x 2.4 = 22.32

10.5 x 2.6 = 27.3

Then, add the areas of the two separate rectangles to find the total area of the shape.

22.32 + 27.3 = 49.62. Hope that helped

4 0
3 years ago
A quadratic function passes through the points ( − 5 , − 8 ) and ( 8 , − 8 ) . Find the equation for the line (axis) of symmetry
ra1l [238]

Answer:

The equation for the axis of symmetry is x=1.5.

Step-by-step explanation:

It is given that a quadratic function passes through the points ( − 5 , − 8 ) and ( 8 , − 8 ) .

In the given points y-coordinates are same, i.e., -8. It means both the points lie on the horizontal line y=-8.

If a quadratic function passes through two points (a,c) and (b,c), then the equation for the axis of symmetry is

x=\frac{a+b}{2}

According to the given points a=-5, b=8 and c=-8. Put these value in the above formula.

x=\frac{-5+8}{2}

x=\frac{3}{2}

x=1.5

Therefore the equation for the axis of symmetry is x=1.5.

8 0
3 years ago
Felicia drew a triangle with side lengths that measured 15 cm, 18 cm and 27 cm. To determine if Felicia drew a right triangle, s
Charra [1.4K]

Answer:

The equation should be h²=P²+b²

27²=15²+18²

729=225+324

729=549

thus, it is not right angle triangle

3 0
3 years ago
Which of the following is a correctly written algebraic equation?
Neko [114]
C. a-3x=0

Equations are like a balance scale. There needs to be an “=“
3 0
3 years ago
2
NikAS [45]

Answer:

x=9

Step-by-step explanation:

7x-11 = 4x-2

7x-4x=11-2

3x=9

x=9

3 0
3 years ago
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