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2 years ago

Identiffy the degree of the polynomail 8x3y2 - 10x + 4x2y2+3

1 answer:

7 0

$8x^3y^2-10xy+4x^2y^2+3$
If this is what you mean then the degree of the polynomial would be 3 since 3 is the highest exponent of all the terms.

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If sin ø = 1/3, what are the values of cos ø and tan ø?

jekas [21]

Step-by-step explanation:

SinA=1/3=p/h

p=1,h=3,and b=?

Using Pythagoras Theorem,

b=√3^2-1^2

b=√9-1

b=√8=2√2

Now,

CosA=b/h=2√2/3

TanA=p/b=1/2√2

There is no phi in my keypad so I use A angle instead of phi.Adjust it.

6 0

2 years ago

PLEASE PLEASE ANSWER!

muminat

The area of the shaded region is $$8(\pi \ -\sqrt{3})\ \text{cm}^2$ .

Solution:

Given radius = 4 cm

Diameter = 2 × 4 = 8 cm

Let us first find the area of the semi-circle.

Area of the semi-circle = $\frac{1}{2}\times \pi r^2$

$$=\frac{1}{2}\times \pi\times 4^2$

$$=\frac{1}{2}\times \pi\times 16$

Area of the semi-circle = $$8\pi$ cm²

Angle in a semi-circle is always 90º.

∠C = 90°

So, ABC is a right angled triangle.

Using Pythagoras theorem, we can find base of the triangle.

$AC^2+BC^2=AB^2$

$AC^2+4^2=8^2$

$AC^2=64-16$

$AC^2=48$

$AC=4\sqrt{3}$ cm

Base of the triangle ABC = $4\sqrt{3}$ cm

Height of the triangle = 4 cm

Area of the triangle ABC = $\frac{1}{2}\times b \times h$

$$=\frac{1}{2}\times 4\sqrt{3} \times 4$

Area of the triangle ABC = $8\sqrt{3}$ cm²

Area of the shaded region

= Area of the semi-circle – Area of the triangle ABC

= $$8\pi \ \text{cm}^2-8\sqrt{3}\ \text{cm}^2$

= $$8(\pi \ -\sqrt{3})\ \text{cm}^2$

Hence the area of the shaded region is $$8(\pi \ -\sqrt{3})\ \text{cm}^2$ .

3 0

2 years ago

1. what is the exact demical value of 225/16? 2. what is the exact decimal value of 77/12?

SOVA2 [1]

Answer:

14.0625 = $\frac{225}{16}$

6.41666666666... = $\frac{77}{12}$

Hope that this helps!

7 0

2 years ago

Weather forecasts are based on a weather forecaster's judgment on which one of a number of scenarios is likely to happen. Each s

Nutka1998 [239]

Answer:

2. Weather forecasts are difficult to trust

Step-by-step explanation:

Words like thus are preliminar to a conclusion, that is, we use words like thus when we are going to conclude something.

For Example:

The New Englard Patriots have won 6 Super Bowls. Thus, the New England Patriots are a good NFL franchise.

The conclusion is that the Patriots are a good NFL franchise.

In this problem, we have that:

Thus, it is difficult to trust weather forecasts.

The conclusion is:

2. Weather forecasts are difficult to trust

8 0

2 years ago

PLEASE ANSWER + BRAINLIEST!!!

Arada [10]

Very simple

? – (20 – 4x – 5x2) = 20 – 7x2, so ? = 20 – 7x2 + (20 – 4x – 5x2)
? = 20 – 7x2 + (20 – 4x – 5x2)=20-7x²+20-4x-5x²=40-12x²-4x
the answer is C. 40-4x-12x^2

5 0

3 years ago