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3 years ago

Jessica packed 1-inch cubes into a box with a volume of 144 cubic inches how many layers of 1-inc cubes did Jessica pack

1 answer:

7 0

Maybe 3 or 6 or 8, the formula for the volume of a rectangular prism = a * b * c. A, B, C are the length, width, and height. and 3*6*8=144

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If cos A = 3 over 11, then which of the following is correct?

ziro4ka [17]

Answer: The answer is (a) sec A = 11 over 3.

Step-by-step explanation: Given that Cosine of an angle 'A' is 3 over 11,

i.e.,

$\cos A=\dfrac{3}{11}.$

And we need to find which one of the given four options is correct.

We have the following relations between cosine, secant and cosecant of an angle from trigonometry.

$\sec A=\dfrac{1}{\cos A}~~\textup{and}~~\csc A=\dfrac{1}{\sqrt{1-\cos^2 A}}.$

Therefore,

$\sec A=\dfrac{11}{3}$

and

$\csc A=\dfrac{1}{\sqrt{1-\frac{9}{121}}}=\dfrac{1}{\sqrt{\frac{112}{121}}}=\dfrac{11}{4\sqrt 7}.$

Thus, the correct option is (a) sec A = 11 over 3.

3 0

3 years ago

A holiday costs £1200. Work out the price after a 7% discount.

vfiekz [6]

Answer:

1116

Step-by-step explanation:

0.93(1200)

1116

8 0

3 years ago

Please help will give brainliest it’s for a test Round 29.20 to 30 Show work please

djverab [1.8K]

Answer:

you cant round that to 30

Step-by-step explanation

29.20

29.2 2 is less than 5

so you cant round you can only round if the .tens place is 5 or more

4 0

3 years ago

3x(2-x)+2x(x-1)=5x(x+3)

mylen [45]

Step-by-step explanation:

6x - 3x^2 + 2x^2 -2x = 5x^2 + 15x

4x -x^2 = 5x^2 + 15x

-11x - 6x^2 = 0

-6x^2 - 11x = 0

use the quadratic formula

(-b±√(b²-4ac))/(2a)

3 0

3 years ago

Read 2 more answers

This straightedge and compass constructions shows a quadrilateral ABCD. is ABCD a rhombus

dezoksy [38]

Answer:

Is this topic symmetry?

3 0

2 years ago