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3 years ago

What is y=3/8x-5 in a table of values

Mathematics

1 answer:

iogann1982 [59]3 years ago

6 0

It is 8x-5 you replace the variable y with 3 in the expression
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Two trains, Train A and Train B, weigh a total of 198 tons. Train A is heavier than Train B. The difference of their weights i

slamgirl [31]

Answer:

A: 114, B: 84

Step-by-step explanation:

Let A be weight of Train A, B be weight of Train B. Since A is heavier than B by 30 tons, A = B + 30. Since A + B = 198, you can substitute for A to get (B+30) + B = 198. Then simplify so 2B = 168 and B = 84.

Then plug B into A = B+30 to get A = 114.

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3 years ago

Please help me! (´༎ຶོρ༎ຶོ`)

Pie

Answer: Honestly all the stuff we do in school will not be used in the real world

Step-by-step explanation: lowkey

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3 years ago

X 2 −3x−10=x, squared, minus, 3, x, minus, 10, equals

Andreyy89

Step-by-step explanation:

my brain couldn't comprehend can u write it down for me real quick like the way it's supposed to be written please

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3 years ago

Make a the subject of a2+b2=c2

wel

Answer:

$a=\sqrt{c^2-b^2$

⇒ $a=\sqrt{(c+b)(c-b)}$ [Factorized form]

Step-by-step explanation:

Given expression:

$a^2+b^2=c^2$

We need to make $a$ the subject.

In order to do that we need to solve the expression for $a$ in terms of $b$ and $c$

We have,

$a^2+b^2=c^2$

Subtracting both sides by $b^2$

$a^2+b^2-b^2=c^2-b^2$

$a^2=c^2-b^2$

Taking square root both sides in order to remove square of $a$

$\sqrt{a^2}=\sqrt{c^2-b^2}$

$a=\sqrt{c^2-b^2$

The difference of squares can be factorized and written as:

$a=\sqrt{(c+b)(c-b)}$ [difference of squares $x^2-y^2=(x+y)(x-y)$ ]

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3 years ago

Helpppppppp pleaseeee

Nesterboy [21]

Answer: 21

Step-by-step explanation:

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3 years ago

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