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4 years ago

Help me pleaseeeeeeeeeeeeeee

Mathematics

1 answer:

Zanzabum4 years ago

4 0

Answer:

I have no idea

Step-by-step explanation:

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Can someone help me with these 2. Will Mark brainliest.

Ostrovityanka [42]

1.) 3

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2y=6x-8

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y=3x-4

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2.) y=1/3x-4

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3 years ago

The height if a building, h, is equal to the number of floors, f, times 11 feet. Write an equation to represent each proportiona

swat32

H = f*11
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4 years ago

Can someone please help me on number 19

Sloan [31]

Answer:

$12\pi x^{2} +21\pi x+9\pi$

Step-by-step explanation:

$V=Bh=\pi r^{2} h = \pi (4x+3)^{2} (3x+3) = \pi (12x^{2}+12x+9x+9 )=12\pi x^{2} +21\pi x+9\pi$

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4 years ago

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FromTheMoon [43]

Answer:

b,c,d

Step-by-step explanation:

I just did the assignment

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4 years ago

Read 2 more answers

Please look at the image provided.

SpyIntel [72]

Answer:

$x=3$

Step-by-step explanation:

$\frac{6\left(x-2\right)}{2}=\frac{3\left(x+5\right)}{8}\\\mathrm{Apply\:fraction\:cross\:multiply:\:if\:}\frac{a}{b}=\frac{c}{d}\mathrm{\:then\:}a\cdot \:d=b\cdot \:c\\6\left(x-2\right)\cdot \:8=2\cdot \:3\left(x+5\right)\\Simplify\\48\left(x-2\right)=6\left(x+5\right)\\\mathrm{Expand\:}48\left(x-2\right):\quad 48x-96\\48\left(x-2\right)\\\mathrm{Apply\:the\:distributive\:law}:\quad \:a\left(b-c\right)=ab-ac\\a=48,\:b=x,\:c=2\\=48x-48\cdot \:2\\\mathrm{Multiply\:the\:numbers:}\:48\cdot \:2=96$

$=48x-96\\\mathrm{Expand\:}6\left(x+5\right):\quad 6x+30\\6\left(x+5\right)\\\mathrm{Apply\:the\:distributive\:law}:\quad \:a\left(b+c\right)=ab+ac\\a=6,\:b=x,\:c=5\\=6x+6\cdot \:5\\\mathrm{Multiply\:the\:numbers:}\:6\cdot \:5=30\\=6x+30\\48x-96=6x+30\\\mathrm{Add\:}96\mathrm{\:to\:both\:sides}\\48x-96+96=6x+30+96\\Simplify\\48x=6x+126\\\mathrm{Subtract\:}6x\mathrm{\:from\:both\:sides}\\48x-6x=6x+126-6x\\\mathrm{Simplify}\\42x=126\\\mathrm{Divide\:both\:sides\:by\:}42$

$\frac{42x}{42}=\frac{126}{42}\\Simplify\\x=3$

8 0

3 years ago