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3 years ago

Weights ( in pounds) of catfish caught in the river:

1 answer:

6 0

D. 7.2lbs To find the range all you have to do is subtract the smallest number from the group from the biggest number. And in this case that would be 9.9- 2.7

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4cos^2(x)-7cos(x)+3 Please help and explain how you did it :)

dangina [55]

I assume you're asked to solve

4 cos²(x) - 7 cos(x) + 3 = 0

Factor the left side:

(4 cos(x) - 3) (cos(x) - 1) = 0

Then either

4 cos(x) - 3 = 0 or cos(x) - 1 = 0

cos(x) = 3/4 or cos(x) = 1

From the first case, we get

x = cos⁻¹(3/4) + 2nπ or x = -cos⁻¹(3/4) + 2nπ

and from the second,

x = nπ

where n is any integer.

7 0

3 years ago

A circle is centered on point B. Points A. C and D lie on its circumference.

olga_2 [115]

Answer:

So, ADC = 124/2 => ⛰ ADC = 62°

Step-by-step explanation:

If ABC i.e angle of centra = 124°

If ABC i.e angle of centra = 124°Then, we know that angle at any where of Circle is 1/2 if central angle 

If ABC i.e angle of centra = 124°Then, we know that angle at any where of Circle is 1/2 if central angle So, ADC = 124/2 => ⛰ ADC = 62°.

Thank You ☺️ ☺️. 

<h3>☆ ★ Make It Brainlist Answer Please.... </h3>

5 0

4 years ago

Read 2 more answers

What is the expression in simplest radical form? √384

Viefleur [7K]

√384 = √2x2x2x2x2x2x3x2
= 8√6

Hope this helps!

6 0

3 years ago

Solve 3(x - 4) = 11x

Ivanshal [37]

Answer:

$x = \frac{-3}{2}$

Step-by-step explanation:

3(x - 4) = 11x

Expand the brackets:

3x - 12 = 11x

Subtract 3x from both sides to isolate the -12:

3x - 12 = 11x

3x - 3x - 12 = 11x - 3x

-12 = 8x

8x = -12

Divide both sides by 8:

$\\\frac{8x}{8} = \frac{-12}{8}\\x = \frac{-12}{8}\\$

Simplify fraction:

$x = \frac{-12}{8}$

$x = \frac{-12 \div 4}{8 \div 4}\\x = \frac{-3}{2}$

Hope this helps!

7 0

3 years ago

Find the h.c.f of {x}^{3} + {y}^{3} \: and \: \: {x}^{2} - xy + {y}^{2}x 3 +y 3 andx 2 −xy+y 2

Ahat [919]

Factorize the sum of cubes:

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

so $x^2-xy+y^2$ is a factor of $x^3+y^3$ . Then the HCF is $\boxed{x^2 - xy + y^2}$ .

5 0

2 years ago