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sukhopar [10]
1 year ago
13

Help pleaseeeeee need ASAP

Mathematics
1 answer:
Degger [83]1 year ago
3 0

Answer:

-1

Step-by-step explanation:

Via exponent properties:

3b-1 = b-3

2b = -2

b=-1

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Mrs. Jones decided to buy some pencils for her class. She bought 3 packages of pencils, and each package contained 44 pencils. T
pantera1 [17]

Answer:

A

Step-by-step explanation:

First, multiple 3 by 44 to find the number of pencils total. 3x44=132.

Then, divide 22 into 132. 132/22=6.

Therefore, each student received 6 pencils.

7 0
2 years ago
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Write an expression in simplest form the perimeter of the figure ?
kondor19780726 [428]

Answer:

4+11a+8b

Step-by-step explanation:

1) 4+3a+2b+6b+5a+3a

2) 3a+3a+5a=11a. 2b+6b=8b

5 0
2 years ago
Solve 4x - c= k for x.
lapo4ka [179]

<em>Answer:</em>

<em>x = (k + c)/4</em>

<em>Step-by-step explanation:</em>

<em>4x - c = k</em>

<em>4x = k + c</em>

<em>x = (k + c)/4</em>

7 0
2 years ago
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Thirty Mercedes and Audi participated in a 30 mile race. The average driving speed of the Mercedes and Audi were recorded. A ran
vladimir1956 [14]

Answer:

Median for sample 1 = 142

Median for sample 2 = 134

Step-by-step explanation:

For Sample 1:

For finding median, the data is first arranged into ascending or descending order. We are arranging the data in ascending order.

120, 130, 132, 136, 139, 142, 142, 144, 156, 165, 167

The formula for calculating the term which will be median is:

Median= ((n+1)/2)

Here in sample 1, n=11

So, putting n=11 in the formula

= ((11+1)/2)

= (12/2)

=6th term

The sixth term is 142, so

Median of sample 1=142

For Sample 2:

For finding median, the data is first arranged into ascending or descending order. We are arranging the data in ascending order.

112, 112, 113, 114, 125, 134, 141, 145, 146, 163, 165

The formula for calculating the term which will be median is:

Median= ((n+1)/2)

Here in sample 2, n=11

So, putting n=11 in the formula

=((11+1)/2)

=(12/2)

=6th term

The sixth term is 134, so

Median of sample 2=134

7 0
3 years ago
Please help :( 50 points
pishuonlain [190]

Answer:

do you still need help? because to question was asked two days ago so i don´t know

Step-by-step explanation:

5 0
2 years ago
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