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Minchanka [31]
3 years ago
10

Evaluate a² + 2b when a = ⅘, and b = ⅖

Mathematics
2 answers:
IRINA_888 [86]3 years ago
8 0

Answer:

Brainleist here!

Step-by-step explanation:

4/5 ^2 + 4/5

16/25 + 4/5

16/25+20/25

36/25

1.44

Bas_tet [7]3 years ago
6 0

Answer:

1 11/25

Step-by-step explanation:

a² + 2b

a = ⅘, and b = ⅖

(4/5)^2 + 2*2/5

16/25 + 4/5

Get a common denominator

16/25 + 4/5*5/5

16/25 + 20/25

36/25

1 11/25

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-1, -1.1, 0.9, 1

Step-by-step explanation:

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3 years ago
Please help me and If your answer is wrong or not appropreat I will report it
arsen [322]

Answer:

972 x^16 y^24

Step-by-step explanation:

Simplify the following:

(-2 x^3 y^7)^2 (3 x^2 y^2)^5

Multiply each exponent in -2 x^3 y^7 by 2:

(-2)^2 x^(2×3) y^(2×7) (3 x^2 y^2)^5

2×7 = 14:

(-2)^2 x^(2×3) y^14 (3 x^2 y^2)^5

2×3 = 6:

(-2)^2 x^6 y^14 (3 x^2 y^2)^5

(-2)^2 = 4:

4 x^6 y^14 (3 x^2 y^2)^5

Multiply each exponent in 3 x^2 y^2 by 5:

4 x^6 y^14×3^5 x^(5×2) y^(5×2)

5×2 = 10:

4×3^5 x^6 y^14 x^(5×2) y^10

5×2 = 10:

4×3^5 x^6 y^14 x^10 y^10

3^5 = 3×3^4 = 3 (3^2)^2:

4×3 (3^2)^2 x^6 y^14 x^10 y^10

3^2 = 9:

4×3×9^2 x^6 y^14 x^10 y^10

9^2 = 81:

4×3×81 x^6 y^14 x^10 y^10

3×81 = 243:

4×243 x^6 y^14 x^10 y^10

4 x^6 y^14×243 x^10 y^10 = 4 x^(6 + 10) y^(14 + 10)×243:

4×243 x^(6 + 10) y^(14 + 10)

14 + 10 = 24:

4×243 x^(6 + 10) y^24

6 + 10 = 16:

4×243 x^16 y^24

4×243 = 972:

Answer: 972 x^16 y^24

8 0
2 years ago
Read 2 more answers
Which function could be shown in the graph below
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quintic function

Step-by-step explanation:

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3 years ago
one third of the bagels ina bakery are sesame bagels. there are 72 sesame bagels. define a variable. then write and solve an equ
Sholpan [36]
Bagels = x
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x/3=72
x=72x3
x=216


7 0
3 years ago
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