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olga_2 [115]
3 years ago
7

What is the solution to the linear equation? –12 + 3b – 1 = –5 – b

Mathematics
2 answers:
PtichkaEL [24]3 years ago
8 0

Answer:

b=2

Step-by-step explanation:

-12 + 3b -1 = -5 - b

-13 + 3b = -5 - b

+13         = +13

_____________

3b = 8 - b

+b =     +b

_________

4b = 8

/4  =  /4  <---divide 8 by 4

_______________

b = 2

marysya [2.9K]3 years ago
4 0
-12+3b-1=-5-b
Combine like terms to get:
3b-13=-5-b
Add 13 to both sides:
3b= 8-b
Add b to both sides:
4b=8
Divide both sides by 4:
4b/4=8/4
b=2

Final answer
b=2
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Using the Pythagorean Theorem, the height of the equilateral triangle is given by:

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<h3>What is the Pythagorean Theorem?</h3>

The Pythagorean Theorem relates the length of the legs l_1 and l_2 of a right triangle with the length of the hypotenuse h, according to the following equation:

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For this problem, we have that:

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Hence the height is found as follows:

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3 years ago
The graph shown represents the number of bacteria in a dish after a certain number of minutes. It is a function in the form f(x)
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Answer:

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Step-by-step explanation:

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Use equation (1) to find a in terms of b

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∴ \frac{1}{b} . b³ = 4

- Remember the rule \frac{a^{m}}{a^{n}}=a^{m-n}

∵ \frac{1}{b} . b³ = b^{3-1} = b²

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∴ b = 2

Substitute the value of b in equation (3) to find a

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Becca put 91 books on a shelf. Of the books,28 where nonfiction,13 were poetry books,and the rest were fictionbooks. How many bo
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