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3 years ago

Can someone please help

Mathematics

2 answers:

laiz [17]3 years ago

8 0

A is correct. Because it is showing how 1/2 is an xy

Rzqust [24]3 years ago

4 0

Answer: D

When you multiply out the fraction it gives you (3/2)x + 7/4

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For the triangle shown what is the angle in radians and in degrees

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3 years ago

Lesson 6: Box-and-Whisker Plots Unit 5

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3 years ago

Which inequality is graphed below?<br> y<1/4x-1<br> y>1/4x-1<br> y<=1/4x-1<br> y>=1/4x-1

umka21 [38]

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3 years ago

Expand and simplify (<img src="https://tex.z-dn.net/?f=2x%5E%7B2%7D" id="TexFormula1" title="2x^{2}" alt="2x^{2}" align="absmidd

kupik [55]

Answer:

2x(5x + 14) + 15

Step-by-step explanation:

Given: (2 $x^{2}$ + 3)(4x + 5) - 8x( $x^{2}$ - 2)

(2 $x^{2}$ + 3)(4x + 5) - 8x( $x^{2}$ - 2) = 2 $x^{2}$ (4x + 5) + 3(4x + 5) - 8x( $x^{2}$ - 2)

= (8 $x^{3}$ + 10 $x^{2}$ + 12x + 15) - 8 $x^{3}$ + 16x

= 8 $x^{3}$ + 10 $x^{2}$ + 12x + 15 - 8 $x^{3}$ + 16x

collecting like terms to have,

8 $x^{3}$ - 8 $x^{3}$ + 10 $x^{2}$ + 12x + 16x + 15

10 $x^{2}$ + 28x + 15

Thus,

(2 $x^{2}$ + 3)(4x + 5) - 8x( $x^{2}$ - 2) = 10 $x^{2}$ + 28x + 15

= 2x(5x + 14) + 15

5 0

3 years ago

What is the answer to this? PLEASE HELP!

Leno4ka [110]

12 inches in 1 foot
12*12*12 cubic inches in 1 cubic foot = 1728 in^2

So 7125 in^3 = 7125/1728 = 4.123 ft^3 to nearest thousandth

5 0

3 years ago