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3 years ago

I need help with square roots

Mathematics

1 answer:

sineoko [7]3 years ago

7 0

I believe it's just 1.125 or 9/8 because the square and square Rory cancel each other out. I hope this is correct and good luck

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For the polynomial 6xy2 – 5x2y? + 9x2 to be a trinomial with a degree of 3 after it has been fully simplified, the missing expon

Karolina [17]

Consider the polynomial $6xy^2-5x^2y^?+9x^2$ .

For this polynomial to be trinomial with a degree of 3. We have to identify the missing exponent of the 'y' term.

Let the missing exponent of the 'y' term be 0

So, the polynomial will be $6xy^2-5x^2y^0+9x^2$

= $6xy^2-5x^2+9x^2$

= $6xy^2+4x^2$ which is not a trinomial, which is a binomial.

So, the missing exponent of 'y' can'not be zero.

Let the missing exponent of the 'y' term be 2

So, the polynomial will be $6xy^2-5x^2y^2+9x^2$

= $6xy^2-5x^2y^2+9x^2$

= $6xy^2-5x^2y^2+9x^2$ which is a trinomial of degree 4.

So, the missing exponent of 'y' can'not be '2'.

If we will take the missing exponent of 'y' more than 2, than the degree of the given polynomial will not be 3 anymore.

Let the missing exponent of the 'y' term be 1

So, the polynomial will be $6xy^2-5x^2y^1+9x^2$

= $6xy^2-5x^2y+9x^2$

= $6xy^2+4x^2$ which is a trinomial of degree 3

So, the missing exponent of 'y' is 1.

7 0

4 years ago

Read 2 more answers

Selesaikan persamaan linear serentak berikut.<br> 2x + y = -5<br> 3x - 4y = 9

makkiz [27]

Answer:

(-1;-3)

Step-by-step explanation:

$\left \{ {{4(2x+y)=4*(-5)} \atop {3x-4y=9}} \right. \ => \ \left \{ {{8x+4y=-20} \atop {3x-4y=9}} \right. \ => \ \left \{ {{11x=-11} \atop {2x+y=-5}} \right. \ => \ \left \{ {{x=-1} \atop {y=-3}} \right.$

8 0

3 years ago

15 POINTS

AnnZ [28]

Answer:

Option(D)

Step-by-step explanation:

Diameter of the Sun (S) = 1.4 × 10⁶ km

Diameter of a planet mars (M) = 7000 km

≈ 7.0 × 10³ km

Ratio of the diameter of the Sun to the diameter of Mars

= $\frac{S}{M}$

= $\frac{1.4\times 10^{6}}{7.0\times 10^{3}}$

= $0.2\times 10^{6-3}$

= $0.2\times 10^3$

= $2\times 10^2$

Option (D) will be the correct option.

5 0

3 years ago

one day on flu season 1/3 of students got sick and only 24 were left at school how many students are there in all

ohaa [14]

If we assume that all students who were not sick came then
3/3-1/2=2/3 left

24 were at school
24=2/3 of all
times both sides by 3/2
72/2=all
36=all

there are 36 students

3 0

3 years ago

Read 2 more answers

Are these in the correct order ?

pishuonlain [190]

Answer:

yes

Step-by-step explanation:

it just looks right to mehhh

5 0

3 years ago