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Svetlanka [38]
3 years ago
12

Given that g(y) = y2 - 1, find g(a - 1).Give your answer in its simplest form.​

Mathematics
1 answer:
AlekseyPX3 years ago
8 0

Answer:

a^2 - 2a.

Step-by-step explanation:

Replace the y in g(y) by a - 1 and simplify.

g(a-1) = (a - 1)^2 - 1

= a^2 - 2a + 1 - 1

= a^2 - 2a.

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65 points Of the 30 girls who tried out for the basketball team at SMS, 12 were
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Answer:

the ratio is the same

Step-by-step explanation:

Girls

12 out of 30

12/30

Divide top and bottom by 6

2/5

Boys

16 out of 40

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Divide top and bottom by 8

2/5

8 0
3 years ago
Write and solve a proportion to complete the statement. Round to the nearest hundredth if necessary.
wariber [46]

Answer:

Step-by-step explanation:

<h3>Convert kilometer to miles:</h3>

1 km = 0.62 mi

So, to convert 6 km to mi, multiply 6 by 0.62.

6km = 6* 0.62

        = 3.72 mi

<h3>Convert liter to gallon:</h3>

1 L = 0.26 gal

To convert 2.5 L to gallon, multiply 2.5 by 0.26.

2.5 L = 2.5 * 0.26

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<h3>Convert pound to kilogram:</h3>

1 lb = 0.45 Kg

To convert 90 lb to Kg, multiply 90 by 0.45.

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3 0
2 years ago
A seed company planted a floral mosaic of a national flag. The perimeter of the flag is 2,120 ft Determine the flag's width and
Nookie1986 [14]

Answer:

the width is 360 ft

Step-by-step explanation:

The computation of the width of the flag is shown below:

Let us assume the width be x

So the length would be x + 340

And, the perimeter is 2,120 ft

So the formula is

Perimeter = 2(length + width)

2,120 = 2(x + 340 + x)

2,120 = 2x + 680 +  2x

2,120 = 4x + 680

4x = 2,120 - 680

x = 360

hence, the width is 360 ft

7 0
3 years ago
The regular octagon shown is divided into 8 congruent triangles. Each triangle has an area of 21.7 square centimeters. The
neonofarm [45]
I believe the formula to find the height would be h= 2a/b and if you use that formula and plug in the area (21.7) of each triangle as well as the base (6) then you would get a height of 7.2 cm. I hope this is correct! :)
3 0
3 years ago
I also need help with this one
icang [17]
It is c.

explanation:

20+130+h =180

when you solve you get h=50

130+g = 180

g= 50

50+60+f = 180

f=70
7 0
3 years ago
Read 2 more answers
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