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Dmitriy789 [7]
3 years ago
14

What is the opposite of 6.9?*help :)

Mathematics
1 answer:
yaroslaw [1]3 years ago
4 0

Answer:

-6.9

Step-by-step explanation:

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The dimensions of a rectangular garden is 3 m by 10 m. When both dimensions are increased by equal amounts, the area of the gard
Ksju [112]

Answer:

5 by 12 m

Step-by-step explanation:

The area for rectangle is LxW

The original area is 3*10, or 30 meters.

When both dimensions are increased, now the area is 60.

We can now inch up slowly to see what works:

3.5 and 10.5=36.75 X

4 and 11=40 X

5 and 12=60 YES!

The new dimensions of the garden are 5 m by 12 m, increased by 2, and the new area is 60 meters^2.

5 0
3 years ago
Given: f(a)= a³ +a and g(a) = a -1 Find: (fog)(a)​
Anvisha [2.4K]

Answer:

(fog)(a)​ = a³ - 3a² + 4a - 2

           = (a - 1)×(a² - 2a + 2)

Step-by-step explanation:

<u><em>Given</em></u> :

g(a) = a -1 

f(a)= a³ +a

…………………………

(fog)(a)​ = f(g(a)​))

           = g(a)³ + g(a)

           = (a - 1)³ + (a - 1)

           = (a³ - 3a² + 3a - 1) + (a - 1)

           = a³ - 3a² + 3a - 1 + a - 1

           = a³ - 3a² + 3a + a - 1 - 1

           = a³ - 3a² + 4a - 2

<u><em>Second method</em></u> :

(fog)(a)​ = f(g(a)​))

           = f(a - 1)

           = (a - 1)³ + (a - 1)

           = (a - 1)×[(a - 1)² + 1]

           = (a - 1)×[a² - 2a + 1 + 1]

           = (a - 1)×(a² - 2a + 2)

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3 years ago
Name the types of angles shown. Check all that apply.
m_a_m_a [10]

Answer:

a c d

Step-by-step explanation:

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stan needs a mime.Mime a is offering his services for an intial 75 in addition to 25 per hour.Mime b is offering her services fo
AleksAgata [21]
75 + 25 x = 30 + 40 x
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If you rent them for 3 hours they have the same payment of 150
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3 years ago
The quotient of 13 ÷ 24 is a decimal number. Which digit in the quotient is overlined?
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The 6 is going to be underlined.
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