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2 years ago

Explain why all squares must be rectangles but not all rectangles are squares

1 answer:

5 0

A square is a quadrilateral with all four angles right angles and all four sides of the same length. ... Thus every square is a rectangle because it is a quadrilateral with all four angles right angles. However not every rectangle is a square, to be a square its sides must have the same length.

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What is the step by step of<br> 1/ cos x csc^2 x = sin x/ cot x

Effectus [21]

Answer:

what is the step by step of 1/ cos x csc^2 x = sin x/ cot x

Step-by-step explanation:

csc

sin

cot

cos

sin

Given,

−

cos

sin

csc

−

cot

Simplify the right side.

csc

−

cot

sin

−

cos

sin

−

cos

sin

∴

, LS

RS.

7 0

2 years ago

1.6x=1.28<br> help me solve this

bogdanovich [222]

Answer:

Step-by-step explanation:

Sure! So, we need to divide by 1.6 on each side to isolate the x.

1.6x / 1.6 is just x. We need to divide by the same on the other side too!

1.28 / 1.6 is 0.8.

So x = 0.8

7 0

2 years ago

Factor this trinomial completely.

kifflom [539]

Answer:

2 ( x+3) (x+1)

Step-by-step explanation:

2x^2+8x+6

Factor out a 2

2(x^2 +4x+3)

Factor in side the parentheses

What multiply to 3 and adds to 4 (3(1=3 3+1 =4)

2 ( x+3) (x+1)

8 0

2 years ago

HELP ASAPP PLS?! PLSSSSSSSS

Allushta [10]

Answer:

Step-by-step explanation:

The Slope of 1 is 1.5

The Slope of 2 is 1

The y-intercept of 1 is 3.5

the y-intercept of 2 is 3.5

5 0

2 years ago

Solve for j : j/-2+7=-12 j=?

schepotkina [342]

Answer:

$\huge\boxed{j=38}$

Step-by-step explanation:

$\dfrac{j}{-2}+7=-12\qquad\text{subtract 7 from both sides}\\\\\dfrac{j}{-2}+7-7=-12-7\\\\\dfrac{j}{-2}=-19\qquad\text{multiply both sides by (-2)}\\\\(-2)\!\!\!\!\!\!\!\diagup\cdot\dfrac{j}{-2\!\!\!\!\!\diagup}=(-2)(-19)\\\\j=38$

3 0

3 years ago

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