2 years ago

48/50 - 20/25 please Answer this ASAP please

Mathematics

1 answer:

Anuta_ua [19.1K]2 years ago

4 0

Answer:

0.16

Step-by-step explanation:

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Solve b 4b+5=1+5b what is b

Leto [7]

Answer: b=4

Step-by-step explanation: Let's solve your equation step-by-step.

4b+5=1+5b

Step 1: Simplify both sides of the equation.

4b+5=5b+1

Step 2: Subtract 5b from both sides.

4b+5−5b=5b+1−5b

−b+5=1

Step 3: Subtract 5 from both sides.

−b+5−5=1−5

−b=−4

Step 4: Divide both sides by -1.

−b

−1

−4

−1

b=4

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3 years ago

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1. What does c(3) = 60 mean in terms of the problem?

drek231 [11]

C=20 I think the answer is that

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3 years ago

Find dyldx.<br> 3. y=2x sin(3x)

vredina [299]

Answer:

$\large\boxed{\dfrac{dy}{dx}=2\sin(3x)+6\cos(3x)}$

Step-by-step explanation:

$\dfrac{dy}{dx}=(2x\sin(3x))'\\\\\text{use}\ \bigg(g(x)\cdot f(x)\bigg)'=g'(c)f(x)+g(x)f'(x)\\\\\text{and}\ \bigg(f(g(x))\bigg)'=f'(g(x))\cdot g'(x)\\\\\dfrac{dy}{dx}=(2x)'(\sin(3x))+(2x)(\sin(3x))'\\\\\dfrac{dy}{dx}=2\sin(3x)+(2x)(\cos(3x)\cdot(3x)')\\\\\dfrac{dy}{dx}=2\sin(3x)+2x\cos(3x)\cdot3\\\\\dfrac{dy}{dx}=2\sin(3x)+6\cos(3x)$

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3 years ago

4a to 3rd power b to 4power times b to 3rd power times 2b to 3rd power divided by 4b

ddd [48]

(4a^3b^4(b^3)(2b^3))/4b

4a^3b^3(b^2)(2b^2)/4

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3 years ago

- 7.5 divided by - 2.5

amm1812

-7.5 / -2.5 = 3

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8 0

3 years ago