2 years ago

PLEASE HELP WHAT IS THE DOMAIN AND RANGE OF THIS GRAPH

Mathematics

1 answer:

STALIN [3.7K]2 years ago

6 0

Pay attention in school bud

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Barry bought 25 kg of fish-flavored cat food and 35 kg of chicken- flavored cat food for the cat rescue center. He is going to d

max2010maxim [7]

25 + 35 = 60
300/60 = 5
the answer is 5 packets

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3 years ago

Sue uses the expression 8x3000+ 8x200+ 8 x 9 to help solve a multiplication problem what is sues multiplication problem

Iteru [2.4K]

we know that

the expression (8x3000+ 8x200+ 8 x 9) is equal to

$8*3,000+ 8*200+ 8 * 9 =8*(3,000+200+9)\\ =8*(3,209)\\ = 25,672$

therefore

<u>the answer is</u>

Sue's multiplication problem is to find the product of $8$ times $3,209$ in expanded form

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2 years ago

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During WW2, mortars were fired from trenches dug 4 feet in the ground. The mortars had an average velocity of 150 ft/s. What is

san4es73 [151]

uh...probably not very long

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2 years ago

What are all the exact solutions of -3tan^2(x)+1=0? Give your answer in radians.

goldenfox [79]

$\displaystyle\\
 -3\tan^2x + 1 = 0\\\\
 -3\tan^2x = -1\\\\
\tan^2x = \frac{-1}{-3} \\\\
\tan^2x = \frac{1}{3} ~~~~~ \Big|~\sqrt{~~~} \\\\
\sqrt{\tan^2x} = \sqrt{\frac{1}{3}} \\\\
\tan x = \Big| \frac{1}{ \sqrt{3} } \Big|\\\\
\tan x = \Big| \frac{\sqrt{3}}{ 3 } \Big|\\\\
\tan x = \frac{\sqrt{3}}{ 3 }~~~\Longrightarrow~~x_1= \frac{\pi}{6} + k\pi,~~k \in N \\\\ 
\tan x = -\frac{\sqrt{3}}{ 3 }~~~\Longrightarrow~~x_2= \pi-\frac{\pi}{6} + k\pi = \frac{5\pi}{6} + k\pi,~~k \in N \\\\ 
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2 years ago

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Solve for x. Round to the nearest tenth, if necessary.

SashulF [63]

<h3>Answer: 3.6</h3>

=======================================================

Explanation:

We use the cosine ratio here. Make sure your calculator is in degree mode.

cos(angle) = adjacent/hypotenuse

cos(69) = x/10

10*cos(69) = x

x = 10*cos(69)

x = 3.583679495453 which is approximate

x = 3.6

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2 years ago