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3 years ago

2. Which is a solution of 2(t-1)+3t 9p+6-5p

Mathematics

1 answer:

insens350 [35]3 years ago

4 0

Answer:

3t9p + 2t - 5p + 4

Step-by-step explanation:

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Use algebraic rules of equations to predict the solution to the system of equations. Include all of your work for full credit.

dolphi86 [110]

X+2y=10
x=10-2y

6y=-3(10-2y)+30
6y=-30+6y+30
0=0

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3 years ago

Read 2 more answers

What is the derivative of 3x+5x

Vaselesa [24]

Answer:

$\displaystyle \frac{d}{dx}[3x + 5x] = 8$

General Formulas and Concepts:

Calculus

Differentiation

Derivatives
Derivative Notation

Derivative Property [Multiplied Constant]: $\displaystyle \frac{d}{dx} [cf(x)] = c \cdot f'(x)$

Basic Power Rule:

f(x) = cxⁿ
f’(x) = c·nxⁿ⁻¹

Step-by-step explanation:

Step 1: Define

Identify

$\displaystyle y = 3x + 5x$

Step 2: Differentiate

Simplify: $\displaystyle y = 8x$
Derivative Property [Multiplied Constant]: $\displaystyle y' = 8\frac{d}{dx}[x]$
Basic Power Rule: $\displaystyle y' = 8$

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Differentiation

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3 years ago

If cos(x) = 0.5, then what is x?

Anestetic [448]

Answer:

=60 the second option.

Step-by-step explanation:

Given the trigonometric ratio, we can find the value of the angle by simply finding the inverse of the given ratio.

If for example Cos ∅= a, then ∅=Cos⁻¹a

If Cos (x)= 0.5, then x= Cos⁻¹ 0.5

Cos⁻1 0.5=60°

The angle whose sine is 0.5 is ∅=60°

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3 years ago

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Three cards are dealt from a shuffled standard deck of playing cards. Find the probability that the first card dealt is red, the

harina [27]

There are 52 cards in a deck, half the cards aware red and half the cards are red.

First card being red is 26/52 = 1/2

After the first card is dealt there are 51 cards left and 26 are black so dealing a black card = 26/51

After 2 cards are dealt there are 50 cards left and 25 red ones left. The probability would be 25/50 = 1/2

The probability of all 3 happening = 1/2 x 26/51 x 1/2 = 13/102

Answer: 13/102

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2 years ago

How can you use scale models to solve problems

tino4ka555 [31]

Scale drawings make it easy to see large things on paper, like a house or road

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