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3 years ago

PLEASE HELP ASAP

Mathematics

2 answers:

Naya [18.7K]3 years ago

4 0

The equivalent expression of 25 - 64 are "a), b) and c)"

The given expression is:

25 - 64

To find, the equivalent expressions are:

a) 25 + 40x - 40x - 64

= 25 - 64, is the equivalent expression.

b) 25 + 13x - 13x - 64

= 25 - 64, is the equivalent expression.

c) (5 + 8)(5 - 8)

Using the algebraic identity,

(a + b)(a - b) =

= 25 - 64, is the equivalent expression.

d) ( + 13)( - 13)

Using the algebraic identity,

(a + b)(a - b) =

= - 169, is not a equivalent expression.

Using the algebraic identity,

, is not a equivalent expression.

∴ The equivalent expression of 25 - 64 are "a), b) and c)".

lorasvet [3.4K]3 years ago

3 0

Answer:

Step-by-step explanation:

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Simplify 2x^2+6x-7x+8-3x^2+1

Doss [256]

$(((((2*(x^2))+6x)-7x)+8)-3x^2)+1 \\ \\ ((((2x^2 + 6x) - 7x) + 8) - 3x^2) + 1 \\ \\ we \ would \ then \ (pull \ out) \ like \ terms. \\ \\ -x^2 - x + 9 = -1 * (x^2 + x - 9) \\ \\ \left[\begin{array}{ccc} -9 + 1 = -8 \\
 -3 + 3 = 0 \\
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\end{array}\right] \\ \\ Your \ answer: \boxed{\boxed{\bf{ -x^2 - x + 9
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I hope this helps you!

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3 years ago

Read 2 more answers

Find the equation of the line passing<br> through the points (4,2) and (6, 10).<br> y=[? ]x + [ ]

Pachacha [2.7K]

Y=4x-14 to find the slope you need to do
rise/run and to find b you need to see where the line crosses the y axis

4 0

2 years ago

HELP NEEDED PLEASE!!!

postnew [5]

Using vector concepts, it is found that:

The component form is of approximately (-9.58, 7,22). It means that the ship is about 9.58 miles to the west and about 7.22 miles to the north of where the ship left the port.

<h3>How can a vector be represented in component notation?</h3>

Given a magnitude M and angle $\theta$ , then a vector V can be represented as follows in component notation:

$V = (M\cos{\theta}, M\sin{\theta})$

In this problem, the magnitude and the angle are given, respectively, by:

$M = 12, \theta = 143^\circ$

Hence:

V = [12cos(143º), 12sin(143º)] = (-9.58, 7,22).

Which means a displacement of 9.58 miles to the west(negative x = west) and 7.22 miles to the north(positive y = north).

The component form is of approximately (-9.58, 7,22). It means that the ship is about 9.58 miles to the west and about 7.22 miles to the north of where the ship left the port.

More can be learned about vectors at brainly.com/question/24606590

#SPJ1

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2 years ago

What is the least common multiple of 8 and 32

Viefleur [7K]

The least common multiple is 32

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3 years ago

What is the anserw to round to the nerst hunder with 872

katrin2010 [14]

900. You round up, because it is above 850. :-)

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3 years ago