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hram777 [196]
3 years ago
7

Whats the value of b : -8/5b=8

Mathematics
2 answers:
Rus_ich [418]3 years ago
6 0

Answer:

The value of b is -5

Step-by-step explanation:

Dima020 [189]3 years ago
3 0

Answer:

-5

Step-by-step explanation:

ur welcome give me brainliest

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A gasoline pump delivers 4 2/5 gallons of gas per minute. How many minutes will it take to fill a gas tank that holds 17 1/4 gal
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Well if it pumps 4 2/5 per minute that is equal to 4 4/10 in a minute or 4.4 because you multiply the top and bottom of the fraction by two. it’s still the same fraction but it is easy to convert to a decimal now. you could use this fraction but it’s much easier to use decimals. Because the first number is a decimal you should make the second one a decimal too. To do this you need to know that 1/4 of 100 is 25. so now we have these numbers and all you do now is divide 17.25 by 4.4 which could be rounded to 4 because it’s a long decimal
8 0
3 years ago
Question:
Tamiku [17]

Answer:

<h2>      x₁ = - 2 + √2 ,   x₂ = - 2 - √2</h2>

Step-by-step explanation:

3x^2 + 12x + 6 = 0\\\\a=3\,,\ b=12\,,\ c=6\\\\\\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\ x=\dfrac{-12\pm\sqrt{12^2-4\cdot3\cdot6}}{2\cdot3}=\dfrac{-12\pm\sqrt{144-72}}{2\cdot3}=\dfrac{-12\pm\sqrt{72}}{2\cdot3}=\dfrac{-12\pm6\sqrt{2}}{6}\\\\x_1=\dfrac{6(-2+\sqrt{2})}{6}=-2+\sqrt2\\\\x_2=\dfrac{6(-2-\sqrt{2})}{6}=-2-\sqrt2

8 0
3 years ago
Two Points P and Q, 25 meters apart, are on the same Straight line, the same side and the same ground Level as the foot of the t
Lelechka [254]

Answer:

b

Step-by-step explanation:

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3 years ago
A road sign casts a shadow that is 4 feet long.At the same time a 6 foot man standing next to the sign casts a shadow that is 2.
lawyer [7]
The road sign would be 10ft tall.
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Round number to nearest tenth
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Answer:

a= 13.5

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Step-by-step explanation:

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