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3 years ago

The teacher could buy the shirt online 3.50 each she would also pay a fee of 9.50 for shipping the shirts.

Mathematics

2 answers:

koban [17]3 years ago

4 0

Answer:

Step-by-step explanation:

shtirl [24]3 years ago

3 0

Answer: total is 13 dollars.

Step-by-step explanation:

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Solve (1/81)^x*1/243=(1/9)^−3−1 by rewriting each side with a common base.

elena55 [62]

Answer:

$x=(243)log_{\frac{1}{81}}[(\frac{1}{81})-1]$

Step-by-step explanation:

you have the following formula:

$(\frac{1}{81})^{\frac{x}{243}}=(\frac{1}{9})^{-3}-1$

To solve this equation you use the following properties:

$log_aa^x=x$

Thne, by using this propwerty in the equation (1) you obtain for x

$log_{(\frac{1}{81})}(\frac{1}{81})^{\frac{x}{243}}=log_{\frac{1}{81}}[(\frac{1}{81})-1]\\\\\frac{x}{243}=log_{\frac{1}{81}}[(\frac{1}{81})-1]\\\\x=(243)log_{\frac{1}{81}}[(\frac{1}{81})-1]$

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2 years ago

Find the measure of angle A

Nataly [62]

Answer:

so 2x+3x+130=180

so 5x+130=180

5x=50

so 2x =20

3x which is angle a is equal to 30 degree

4 0

2 years ago

Read 2 more answers

Help me please it just hard for a newbie like me

Makovka662 [10]

Hello there,
Part 1:
Perimeter of Red = 11+11+11+11
= 44
Perimeter of Blue= 6+6+6+6
= 24
Ratio: Red : Blue
44 : 24(divide by 4)
11 : 6
Part 2:
Area of Red= 11 x 11
= 121
Area of Blue= 6 x 6
= 36
Ratio: Red : Blue
121: 36

Hope this helps :))

~Top

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3 years ago

CAN SOMEONE CHECK MY ANSWER

tigry1 [53]

Answer:

Step-by-step explanation:

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3 years ago

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ASHA 777 [7]

B,D is the answer for your question