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2 years ago

Robert owns two dogs. Each day, one dog eats

Mathematics

1 answer:

KATRIN_1 [288]2 years ago

4 0

Answer:

2/3 scoop

Step-by-step explanation:

1/6 + 1/6 = 2/6 = 1/3

Answer: 2/3 scoop

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OOOO

lbvjy [14]

Step-by-step explanation:

Given bi-quadratic equation is:

$x^4+95x^2 -500=0$

Substituting $x^2=a,$ given bi-quadratic equation reduces in the form of following quadratic equation:

$a^2 +95a -500=0\\$

Let us factorize the above quadratic equation:

$a^2 +95a -500=0\\\therefore\: a^2 +100a -5a-500=0\\\therefore\: a(a +100) -5(a+100)=0\\\therefore\: (a +100)(a -5)=0\\\therefore\: (a +100)=0\:\: or \:\: (a -5)=0\\\therefore\: a = - 100\:\: or \:\: a = 5\\\\CASE\: (1)\:\\When\: a = - 100 \implies x^2 = - 100\\\therefore x=\pm \sqrt{-100}\\$

Since square root of a negative number cannot be found, so:

$x \neq \pm \sqrt{-100}\\$

$CASE\: (2)\:\\When\: a =5 \implies x^2 =5\\\therefore x=\pm \sqrt{5}\\$

3 0

3 years ago

What is the value of 4³÷ 2³ ?

Sunny_sXe [5.5K]

Answer:

2^3 or 8

Step-by-step explanation:

$4^3\div 2^3= \\\\(2^2)^3\div 2^3= \\\\2^{2\cdot 3}\div 2^3= \\\\2^6\div 2^3=\\\\2^{6-3}=\\\\2^3=\\\\8$

Hope this helps!

3 0

3 years ago

Read 2 more answers

Math word problem. What's the equation I use?

UkoKoshka [18]

You would have to find the proportionality of the two. If his shadow is 3 feet long, and the tree's shadow is 9 that means it is proportioned by 3. So the height of the tree would be 15.

3 0

3 years ago

Which of the following are adjacent angles?

andriy [413]

Answer:

Step-by-step explana i think its right

3 0

3 years ago

Answer this maths question: x³+y³+z³

True [87]

Answer:

$(x+y+z)^3$

Step-by-step explanation:

5 0

2 years ago