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just olya [345]
3 years ago
5

PLEASE HELP ASAP!! URGENT!!

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
4 0
A= 9
B= 11

Make sure to try it
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3(x-4)=12-2(x-3) slove for x
photoshop1234 [79]

Answer:

x = 6

Step-by-step explanation:

3(x - 4) = 12 - 2(x - 3)

3x - 12 = 12 - 2x + 6

3x - 12 = 18 - 2x

+2x              + 2x

5x -12 = 18

   + 12   +12

5x = 30

x = 6

If this answer is correct, please make me Brainliest!

4 0
3 years ago
The answer is 1575 but I need to show my work! (find the total volume)
kirza4 [7]

Answer: 1575

Step-by-step explanation:

Volume of Pyramid: b*l*h/2 = 21*9*7/3 = 441

Volume of Rectangular prism = V= lwh = (21*12*9)/2 = 1134 (divide by two because it is half of a rectangular prism)

441 + 1134 = 1575

6 0
2 years ago
A manufacturer of cheese filled ravioli supplies a pizza restaurant chain. Based on data collected from its automatic filling​ p
docker41 [41]

Answer:

The margin of error at 90% confidence is 0.5133 gram.

Step-by-step explanation:

Margin of error (E) = (critical value × sample standard deviation) ÷ sqrt(n)

sample standard deviation = 1.5 grams

confidence level = 90% = 0.9

significance level = 1 - C = 1 - 0.9 = 0.1 = 10%

n (sample size) = 25

degree of freedom = n - 1 = 25 - 1 = 24

critical value (t) corresponding to 24 degrees of freedom and 10% significance level is 1.711

E = (1.711×1.5) ÷ sqrt(25) = 2.5665 ÷ 5 = 0.5133 gram

6 0
3 years ago
Need help with this question please.
Harman [31]

Answer:

The rule says that to find the number of years required to double your money at a given interest rate, you just divide the interest rate into 72. For example, if you want to know how long it will take to double your money at eight percent interest, divide 8 into 72 and get 9 years.

6 0
2 years ago
What is -3/8<br> written as a decimal?
lisabon 2012 [21]
It should be -0.375.
8 0
3 years ago
Read 2 more answers
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