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4 years ago

-9=-4/9x-13 algebra hw I'm confused on how to do it

Mathematics

1 answer:

Maurinko [17]4 years ago

4 0

Add 13 to both sides of equal sign and then divide by reciprocal of 4/9

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PLEASE HELP ME ASAP!!

kompoz [17]

Answer:

79.5%,

Step-by-step explanation:

each big square has 100 little squares inside, meaning there are 200 total between the two.

in total, 159 little squares are shaded.

if you divide, 159÷200= .795.

move the decimal to the right 2 spaces to get the answer of 79.5%

Hope this helps :)

5 0

3 years ago

If the sides of a square measure 9.3 units the.find the length of the diagonal

arsen [322]

Answer:

Approximately 13.1521 units.

Step-by-step explanation:

To find the diagonal, we can use the Pythagorean Theorem.

Since the figure is a square, all four sides are equivalent. A square also has four right angles. Therefore, we can use the Pythagorean Theorem to find the diagonal d. Therefore:

$a^2+b^2=c^2$

Substitute 9.3 for a and b, and let c equal d:

$(9.3)^2+(9.3)^2=d^2$

Instead of squaring, add the like-terms:

$2(9.3)^2=d^2$

Take the square root of both sides:

$d=\sqrt{2(9.3)^2}$

Expand:

$d=\sqrt{2}\cdot\sqrt{(9.3)^2}$

The right cancels:

$d=\sqrt2\cdot(9.3)\\d=9.3\sqrt2\\d\approx13.1521\text{ units}$

7 0

3 years ago

The large rectangle below represents one whole.

dolphi86 [110]

Answer: 44%

Step-by-step explanation:

There are 25 squares in the rectangle. This means that the percentage of each square is:

= 1/25 * 100

= 4%

There are 11 shaded squares so the percentage represented is:

= 11 * 4%

= 44%

8 0

3 years ago

What is the axis of symmetry of the following equation?

finlep [7]

Answer:30\20

Step-by-step explanation:

8 0

4 years ago

Pls help me with all the questions

mojhsa [17]

I hope this helped.

Just in case if you didn’t understand what I did. What I basically did is multiply my outer number into the inner.

3 0

3 years ago