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3 years ago

WILL GIVE BRAINLIEST please give me the right answer

Mathematics

1 answer:

miskamm [114]3 years ago

7 0

Answer:

They have brain damage from playing football

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Also need help with this question

Lilit [14]

Answer:

Using PEDMAS, you would have to do the parentheses part first(you would multiply 5 by 4 and 5 by -1.5x.

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

What is true about the completely simplified sum of the polynomials 3x squared y squared minus 2 x y to the power of 5 and negat

12345 [234]

Answer:

The sum is a binomial with a degree of 6.

Step-by-step explanation:

To find : What is true about the completely simplified sum of the polynomials $3x^2y^2-2xy^5$ and $-3x^2y^2+3x^4y$ ?

Solution :

The polynomials $3x^2y^2-2xy^5$ and $-3x^2y^2+3x^4y$ ,

The sum of polynomial is given by,

$S=3x^2y^2-2xy^5+(-3x^2y^2+3x^4y)$

On simplifying , we get,

$S=3x^2y^2-2xy^5-3x^2y^2+3x^4y$

$S=-2xy^5+3x^4y$

Therefore, the result obtained is a binomial with a degree of 6.

4 0

3 years ago

If Julia has 20 cupcakes, and 10 people eat one cupcake, how much cupcakes are left?

Feliz [49]

There are going to be 10 cupcakes left,hope I helped (:

8 0

3 years ago

Read 2 more answers

I dont get it i need help

SOVA2 [1]

Answer:

Perpendicular means like making 4 right angles at the intersection, right? So do a light directly upwards through line t from point a. And for 2, do a line from point a to the center of BC, B to the center of AC, and C to the center of AB

Step-by-step explanation:

7 0

2 years ago

One of the loudest sounds in recent history was that made by the explosion of Krakatoa on August 26-27, 1883. According to barom

liraira [26]

Answer:

150.51 dB

Step-by-step explanation:

Data provided in the question:

decibel level of sound at 161 km distance = 180 dB

d₁ = 161 km

d₂ = 4800 km

I₁ = 180 db

The formula for intensity of sound is given as:

I = $10\log(\frac{I_2}{I_1})$

and the relation between intensity and distance is given as:

I ∝ $\frac{1}{d^2}$

Id² = constant

thus,

I₁d₁² = I₂d₂²

$\frac{I_2}{I_1}=\frac{d_1}{d_2}$

therefore,

I = $10\log(\frac{d_1}{d_2})^2$

I = $10\times2\times\log(\frac{161}{4,800})$

I = 20 × (-1.474)

I = -29.49

Therefore,

the decibel level on Rodriguez Island, 4,800 km away

= 180 - 29.49

= 150.51 dB

8 0

3 years ago