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matrenka [14]
3 years ago
9

Help solve 3-2/9b=1/3b-7

Mathematics
2 answers:
kenny6666 [7]3 years ago
6 0
3-2/9b=1/3b-73-2/9b = 1/3b - 7
-> (3-2/9b)*9=(1/3b-7)*9
-> 27 - 2b = 3b - 63
-> 90 = 5b
-> 90/5 = 5b/5
-> 18 = b
Molodets [167]3 years ago
5 0
-54(6x+7)(6-7)+8 just take your reciprocal and multiply it by your denominator in order to solve the denominated and solve for x
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Step-by-step explanation:

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9x = 27

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Pre-Algebra <br> Due now<br> Please help, thank you
slamgirl [31]

Answer:

1. The \sqrt{10} is between 3 and 4.

2. The \sqrt{54} is between 7 and 8.

3. The \sqrt{18} is between 4 and 5.

4. The \sqrt{99} is between 9 and 10.

5. The \sqrt{41} is between 6 and 7.

Step-by-step explanation:

1. \sqrt{10}: 10 is near the perfect squares 9 and 16, which would mean its answer is between their square roots which are 3 and 4.

2. \sqrt{54}: 10 is near the perfect squares 49 and 64, which would mean its answer is between their square roots which are 7 and 8.

3. \sqrt{18}: 10 is near the perfect squares 16 and 25, which would mean its answer is between their square roots which are 4 and 5.

4. \sqrt{99}: 10 is near the perfect squares 81 and 100, which would mean its answer is between their square roots which are 9 and 10.

5. \sqrt{41}: 10 is near the perfect squares 36 and 49, which would mean its answer is between their square roots which are 6 and 7.

8 0
2 years ago
Read 2 more answers
1/5 x 1/2 *<br> mark you brainlyest
Marianna [84]

The answer will be 1/10. First you will change the denominator to the same number because you can’t mutiply fractions if the denominator is different. 5x2=10 and 2x5=10. So both of the denominator will turn into a 10. Now you’ll have to find the numerator. For the first one, multiply it by 2 because that how much the number need to turn equalvilant for the denominator. 1x2=2. So now you know that the first fraction is 2/10. Then you multiply 1 with 5 which is 5. Now the numbers all have the same denominator. Multiply 2/10 and 5/10 which is 1/10.

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3 years ago
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beks73 [17]

Answer: \$ 70

Step-by-step explanation:

Given

Hester get a fixed amount and an additional $15 for an extended warranty

Suppose x is the amount of fixed amount

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Thus, we can write

\Rightarrow 15(x+15)=1275\\\Rightarrow x+15=85\\\Rightarrow x=\$70

Therefore, the fixed amount of television is \$70

6 0
2 years ago
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