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2 years ago

X-1) x-x-2x+8 Long division

Mathematics

1 answer:

Nastasia [14]2 years ago

4 0

Answer:

Ummm

Step-by-step explanation:

Im confused

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Help please 10 points !!!!!

____ [38]

If an object has a density of less than $1$ g/ml, the object will float in water.

So, fourth option is correct

$Density = \frac{Mass}{Volume}$

The object with density less than $1$ g/ml will float, and the object with a density more than $1$ g/ml will sink.

So, if an object has a density of less than $1$ g/ml, the object will float in water.

Therefore, fourth option is correct

Learn more about density here:

brainly.com/question/3049000?referrer=searchResults

4 0

2 years ago

Charlotte divided a whole pizza into 4 pieces. one piece formed a straight angle. one formed a right angle. two pieces formed ac

Minchanka [31]

You have to draw a pie graph.

The first piece (with the straight angle) cuts the pie in half.

The second piece cuts the remaining half in halves (making a quarter).

The third and fourth pieces are the same as each other. So they must each have an angle of 45 degrees. Each of these is an eighth of the total pie.

Should be fairly easy. Good luck!

7 0

3 years ago

Solve the quadratic equation by factoring 9x2+24+20=4

AnnyKZ [126]

Answer:

Final answer is $x=-\frac{4}{3}$ and $x=-\frac{4}{3}$ .

Step-by-step explanation:

Given equation is $9x^2+24x+20=4$ .

Now we need to solve that by factoring.

$9x^2+24x+20=4$

$9x^2+24x+20-4=0$

$9x^2+24x+16=0$

$9x^2+12x+12x+16=0$

$3x(3x+4)+4(3x+4)=0$

$(3x+4)(3x+4)=0$

$(3x+4)=0$ , $(3x+4)=0$

$3x+4=0$ , $3x+4=0$

$3x=-4$ , $3x=-4$

$x=-\frac{4}{3}$ , $x=-\frac{4}{3}$

Hence final answer is $x=-\frac{4}{3}$ and $x=-\frac{4}{3}$ .

5 0

3 years ago

Express the sum of (square root) -64 and 3(square root) -4 as a monomial in terms of I.

Inga [223]

$\bf \sqrt{-64}~+~3\sqrt{-4}\implies \sqrt{-1\cdot 2^6}~+~3\sqrt{-1\cdot 2^2}
\\\\\\
\sqrt{-1}\cdot \sqrt{2^6}~+~3\sqrt{-1}\cdot \sqrt{2^2}\implies i\cdot \sqrt{2^{3\cdot 2}}~+~3\cdot i\cdot 2
\\\\\\
i\cdot \sqrt{(2^3)^2}~~+~~6i\implies 2^3i~+~6i\implies 8i+6i\implies 14i$

7 0

3 years ago

7 groups of 8=6 groups of 8 plus

vredina [299]

Answer:

<u>7 groups of 8 = 6 groups of 8 plus 1 group of 8</u>

Step-by-step explanation:

1. Let's review the information given to answer the question correctly:

7 groups of 8 = 6 groups of 8 plus ?

2. Let's answer the question, this way:

How much are 7 groups of 8? 56 = 7 * 8

How much are 6 groups of 8? 48 = 6 * 8

What is the difference between 7 groups of 8 and 6 groups of 8?

(7 - 6 ) * 8 = 1 * 8

Therefore,

<u>7 groups of 8 = 6 groups of 8 plus 1 group of 8</u>

6 0

3 years ago