3 years ago

25 + (9 x 2) in this problem? What would you do first to solve?

1 answer:

3 0

Answer:

Solve what's in the parentheses

Step-by-step explanation:

You always solve what's in the parentheses first.

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ycow [4]

Answer: 20%

Step-by-step explanation:

Profit of $4,000 is divided by the cost price of $20,000:

$4,000/$20,000 = 0.2 or 20%

8 0

3 years ago

Wewaii [24]

$6x^2 + 432 = 0 \\
x^2+72=0\\
x^2=-72\\
x=-\sqrt{-72} \vee x=\sqrt{-72}\\
x=-6\sqrt2 i \vee x=6\sqrt 2 i
$

3 0

4 years ago

yanalaym [24]

//I'll let x = $5, y = $10
x + y = 13
5x + 10y = 90

So, y = 13 - x
5x + 10(13 - x) = 90
5x + 130 - 10x = 90
-5x = -40
x = 8

6 0

3 years ago

vitfil [10]

Answer:

SD = 2x

UD = x $\sqrt{3}$

Step-by-step explanation:

The hypotenuse of a 30-60-90 triangle is 2 times the length of the shorter leg.

SU is the shorter leg = x

So, SD = 2x

The longer leg of a 30-60-90 triangle is $\sqrt{3}$ times the shorter leg.

So, UD = x $\sqrt{3}$

4 0

3 years ago

kherson [118]

I would say C because it would make the most sense because it doesn't describe or state the other two choices given .

5 0

4 years ago