3 years ago

36x^2+_x+4 fill in the blank

Mathematics

1 answer:

Neporo4naja [7]3 years ago

3 0

Answer:

i don't know the answer lol

Step-by-step explanation:

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2. H = 5 cm W= 4 cm L= 8 cm V= L×W×H =___×___×___ =______cm3

hram777 [196]

Answer:

160cm^3

Step-by-step explanation:

5 x 4 x 8 = 160cm^3

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3 years ago

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Given that √5 = 2.24 and √50= 7.07 , find √500 and √0.5

sineoko [7]

Answer:

see explanation

Step-by-step explanation:

using the rules of radicals

$\sqrt{a}$ × $\sqrt{b}$ ⇔ $\sqrt{ab}$

$\sqrt{\frac{a}{b} }$ ⇔ $\frac{\sqrt{a} }{\sqrt{b} }$

then

$\sqrt{500}$

= $\sqrt{100(5)}$

= $\sqrt{100}$ × $\sqrt{5}$

= 10 × 2.24

= 22.4

-------------------------------

$\sqrt{0.5}$

= $\sqrt{\frac{50}{100} }$

= $\frac{\sqrt{50} }{\sqrt{100} }$

= $\frac{\sqrt{50} }{10}$

= $\frac{7.07}{10}$

= 0.707

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2 years ago

The width of a rectangle is 6 inches less than its length , and the area is 40 square inches what arebthe lenght and width of th

DaniilM [7]

Let l and l-6 be the length and width, respectively, of the rectangle. Then:
l(l-6)=40
l²-6l-40=0
(l-10)(l+4)=0
l=10,-4
The rectangle is 10" by 4". ☺☺☺☺

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3 years ago

At midnight what temperature is -6C. At midday the temperature is -9C. By how much did the temperature rise ?

Zielflug [23.3K]

Answer:

It didn’t go up, it went down 3 degrees

Step-by-step explanation:

It’s negative degrees so the less negative it is the higher it is.

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3 years ago

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What are the zeros of (x-2)(x^2-9)

WARRIOR [948]

$(x-2)(x^2-9)=0\iff x-2=0\ or\ x^2-9=0\\\\x-2=0\ \ \ \ |add\ 2\ to\ both\ sides\\\\\boxed{x=2}\\\\x^2-9=0\ \ \ \ |add\ 9\ to\ both\ sides\\\\x^2=9\iff x=\pm\sqrt9\to \boxed{x=-3\ or\ x=3}\\\\Answer:\boxed{x=-3\ or\ x=2\ or\ x=3}$

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3 years ago