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4 years ago

To convert from a smaller unit to a larger unit you what by a power of 10

Mathematics

2 answers:

Alexeev081 [22]4 years ago

3 0

To convert from a smaller unit to a larger unit, you multiply by a power of ten.

hope this helps!

GalinKa [24]4 years ago

3 0

Multiply because multiplying a number by ten would increase its value depending on how many ten is multiplied and this corresponds to a certain unit.

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X² - 8x - 33=0<br> complete the square

Andreas93 [3]

<h2>Answer:</h2><h2></h2><h2> $\boxed{x_{1}=-3} \\ \\ \boxed{x_{2}=11}$ </h2>

<h2>Explanation:</h2>

Step 1. Write $x^2 - 8x - 33=0$ in the form $x^2+2ax+a^2=0$

$2a=-8\quad :\quad a=-4$

Step 2. Add and subtract $(-4)^2$ to the left side of the equation

$x^2-8x-33+\left(-4\right)^2-\left(-4\right)^2=0 \\ \\ \\ But: \\ \\ x^2+2ax+a^2=\left(x+a\right)^2 \\ \\ x^2-8x+\left(-4\right)^2=\left(x-4\right)^2$

Step 3. Complete square

$\left(x-4\right)^2-33-\left(-4\right)^2=0 \\ \\ \left(x-4\right)^2-49=0 \\ \\ (x-4)=\pm \sqrt{49} \\ \\ x-4=\pm 7 \\ \\ \boxed{x_{1}=-3} \\ \\ \boxed{x_{2}=11}$

8 0

3 years ago

Which of the following is true about the expression

azamat

Answer:

i think the answer is B hope i was helpful

Step-by-step explanation:

4 0

3 years ago

I need help if u can thanks!!

Pani-rosa [81]

Answer:

9) 496 cubic unit

10)10.94

Step-by-step explanation:

in question 9, req volume will be (volume of cube of lenght 10 - that of hole)

hole can be divided into 5 parts,in which 4 have same dimension 6×6×2,and middle part is cube of dimension 6×6×6, total volume will be 4(6×6×2)+6×6×6

=504 cubic.unit

volume of larger cube is 10×10×10=1000 cubic unit

req answer is 1000-504 cubic unit

=496 cubic unit.

10) the ant should walk diagonally to cover minimum distance to reach from A to B, the shortest distance will be when the ant cover the height of lenght 2,then diagonally btwn 4×8, i.e, by using Pythagorean theorem √(16+64)=8.94

now total will be 8.94+2=10.94, it's the shortest possible distance so far!

I'll update each part after solving... wait!

7 0

4 years ago

Please help, Easy maths.

svetoff [14.1K]

Answer:

$x-5y$