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Eduardwww [97]
3 years ago
15

2{[11(a-2)+12]-[2(5a-3)+a)}. Help me solve this please

Mathematics
1 answer:
jonny [76]3 years ago
8 0

Let's simplify step-by-step.

2(11(a−2)+12)−(2(5a−3)+a)

Distribute the Negative Sign:

=2(11(a−2)+12)+−1(2(5a−3)+a)

=2(11(a−2)+12)+−1(2(5a−3))+−1a

=2(11(a−2)+12)+−10a+6+−a

Distribute:

=(2)(11(a−2))+(2)(12)+−10a+6+−a

=22a+−44+24+−10a+6+−a

Combine Like Terms:

=22a+−44+24+−10a+6+−a

=(22a+−10a+−a)+(−44+24+6)

=11a+−14

Answer:

=11a−14

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professor190 [17]
8 quarters and 13 dimes
8 times 0.25 equalls 2.00
13 times 0.10 equalls 1.30
add 2.00 and 1.30
you get 3.30

8 plus 5 is 13
so there are five more dimes than quarters
7 0
4 years ago
2 1/4 x 3 2/5<br> show all your work
monitta

Answer:

153/20

Step-by-step explanation:

I assume you're asking

2 \frac{1}{4}  \times 3 \frac{2}{5}

So

\frac{9}{4}  \times  \frac{17}{5}

=

\frac{153}{20}

5 0
3 years ago
The frequency table shows the number of t-shirts each person in a class owns. Which histogram is displayed correctly from the fr
ASHA 777 [7]

Answer:

I think its option 1

Step-by-step explanation:

4 0
3 years ago
What are the steps to get the answer
Arlecino [84]

-1/4 x 2/7

 multiply the 2 top numbers and then multiply the 2 bottom numbers

1*2 = 2+4*7 =28

 so answer is -2/28 which can reduce to - 1/14

7 0
3 years ago
Given the function f)(x) =-x^2+3x+8,determine the average rate of change of the function over the interval listed in the picture
Nadusha1986 [10]

Answer:

Vertex:

(

3

2

,

−

41

4

)

(

3

2

,

-

41

4

)

Focus:

(

3

2

,

−

10

)

(

3

2

,

-

10

)

Axis of Symmetry:

x

=

3

2

x

=

3

2

Directrix:

y

=

−

21

2

y

=

-

21

2

x

y

0

−

8

1

−

10

3

2

−

41

4

3

−

8

4

−

4

Vertex:

(

3

2

,

−

41

4

)

(

3

2

,

-

41

4

)

Focus:

(

3

2

,

−

10

)

(

3

2

,

-

10

)

Axis of Symmetry:

x

=

3

2

x

=

3

2

Directrix:

y

=

−

21

2

y

=

-

21

2

x

y

0

−

8

1

−

10

3

2

−

41

4

3

−

8

4

−

4

Step-by-step explanation:

7 0
3 years ago
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