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lukranit [14]
3 years ago
6

Simplify the screenshot below

Mathematics
1 answer:
djyliett [7]3 years ago
6 0

Answer:

-4x - 16y

Step-by-step explanation:

Given:

-4(3x - 2x + 4y)

Required:

Simplify

Solution:

To simplify, apply the distributive property by multiplying every term that is inside the brackets by -4

Thus:

-4*3x -4*-2x -4*+4y

-12x + 8x - 16y

Add like terms

-4x - 16y

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What equation represents the model shown below?
g100num [7]

Given:

The algebra tiles of an equation.

To find:

The equation represented by the given model.

Solution:

On the left side of the model we have 4 tiles of (-x) and 3 tiles of (-1). So,

LHS=(-x)+(-x)+(-x)+(-x)+(-1)+(-1)+(-1)

LHS=-4x+(-3)

LHS=-4x-3

On the right side of the model we have 8 tiles of (-1). So,

RHS=(-1)+(-1)+(-1)+(-1)+(-1)+(-1)+(-1)+(-1)

RHS=-8

Now, equate the LHS and RHS to get the equation.

-4x-3=-8

Therefore, the equation for the given model is -4x-3=-8.

7 0
2 years ago
Assuming Earth to be a sphere of radius 4000 miles, how many miles north of the Equator is City A, if it is 36° north from the E
vredina [299]

Answer:

2513 miles

Explanation:

\sf Length \ of \ arc = \dfrac{\theta}{360} * 2\pi r

Here given:

∅ = 36°

radius = 4000 miles

Insert following:

\sf \rightarrow  \dfrac{36}{360} * 2\pi (4000)

\sf \rightarrow  800\pi \  \ \ (in \ terms \ of \ \pi )

\sf \rightarrow  2513.3 \ \ (rounded \ to \ nearest \ tenth)

\sf \rightarrow  2513 \ \ (rounded \ to \ nearest \ mile)

5 0
2 years ago
Solve: sin2x cosx + cos 2x sin x = √3/2
ludmilkaskok [199]
We are given with the expression or equation s<span>in2x cosx + cos 2x sin x = √3/2. The expression can be patterned from the trigonometric identity sin (a + b) = sin a cos B + cos A sin B. In this case, the expression is equal to sin 3x = sqrt 3 /2. using arc sign, x is equal to pi/9 </span>
5 0
3 years ago
Read 2 more answers
What is an slope? like in general
Dahasolnce [82]

Answer:

A slope is a surface of which one end or side is at a higher level than another; a rising or falling surface

Step-by-step explanation:

3 0
3 years ago
-
sveta [45]

Answer:

18/14=64+7%×r try it out

8 0
3 years ago
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