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Leno4ka [110]
4 years ago
13

WILL MARK BRAINLIEST

Mathematics
2 answers:
mars1129 [50]4 years ago
8 0

Answer:

25/9

Step-by-step explanation:

Fantom [35]4 years ago
3 0

Answer:

StartFraction 25 Over 9 EndFraction

Step-by-step explanation:

\bigg(  \huge{\frac{ {3}^{2}a ^{ - 2}  }{3 {a}^{ - 1} }} \bigg)^{k}  \\  \\  =  \bigg(  \huge{\frac{ 9a   }{3 {a}^{ 2} }} \bigg)^{k}  \\  \\  = \bigg(  \huge{\frac{ 3   }{ {a}}} \bigg)^{k}  \\  \\  = \bigg(  \huge{\frac{ 3   }{ {5}}} \bigg)^{ - 2}   \\  \\  = \bigg(  \huge{\frac{ 5   }{ {3}}} \bigg)^{ 2}  \\  \\  =   \huge{\frac{ 25   }{ {9}}}

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(Repost) School is starting, and the teacher is giving each student 2 new pencils. She has 8 rows with 4 desks in each row. Whic
liubo4ka [24]

A

2 x 8+16 = 32 16 x 4 = 64

B

2 x 4 +8 = 16 8 x 8 = 64

C

4 x 8 + 32 = 64  2 x 32 = 64

1  l l l l   8              5 l l l l     40

2 l l l l   16             6 l l l l     48

3 l l l l   24            7 l l l l      56

4 l l l l   32            8 l l l l      64

The teacher has 64 or more pencils to give out.

<em>Hope this helps you choice your answer. :) </em>

7 0
2 years ago
Read 2 more answers
If P dollars are invested today at an annual interest rater compounded once a year, then the value of the account A after 2 year
Molodets [167]

9514 1404 393

Answer:

  about 7.61%

Step-by-step explanation:

Put the given numbers into the formula and solve for r.

  2200 = 1900(1 +r)^2

  √(22/19) = 1 +r

  r = √(22/19) -1 ≈ 0.076055 ≈ 7.61%

3 0
3 years ago
When leaving a town, a car accelerates from 30 kmh-1 to 60 kmh-1 in 5 s. Assuming the
aleksandr82 [10.1K]

Answer:

B .62.5 m

Step-by-step explanation:

convert Kmh-1 in to ms-1

30 Kmh-1 = (30×1000) ÷3600 = 8.3ms-1

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acceleration = (16.6 - 8.3) ÷ 5 = 1.66 ms-2

V^2 = U^2 +2aS

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S = 62.5 m

6 0
3 years ago
If f(x) = 3x + 2 and g(x) = x2 + 1, which expression is equivalent to (fog)(x)?
Vedmedyk [2.9K]

Answer:

3(x² + 1) + 2

Step-by-step explanation:

(f ○ g)(x) = f(g(x))

Substitute x = g(x) into f(x), that is

f(x² + 1) = 3(x² + 1) + 2 ← is the equivalent statement

3 0
3 years ago
What is the gcf of 18 and 54​
katrin2010 [14]

Answer:

18 is the GCF

Step-by-step explanation:

Factors of 18: 1, 2, 3, 6, 9, 18

Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54

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3 years ago
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