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2 years ago

Multiplying a number by 2 and then dividing by 3 is the same as multiplying by what number?

Mathematics

2 answers:

Step2247 [10]2 years ago

7 0

2 times 3 = 6. 6 divided by 2 =3 So it's 3 In my best guess ;)

Shtirlitz [24]2 years ago

3 0

Multiplying by 2 then dividing by 3 is the same as multiplying by 2/3 as you also divide by 3, but in one step.

Hope this helps!

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Haben knows that the angle of elevation from the top of a rock formation to a stake in the ground 50 feet from its base is 42°.

Murrr4er [49]

Answer:

The height of the rock formation is $45.02\ ft$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

$tan(42\°)=h/50$

solve for h

$h=50*tan(42\°)=45.02\ ft$

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3 years ago

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3 years ago

Item 9 Find the annual interest rate. I=$562.50, P=$1500, t=5 yearsI=$562.50, P=$1500, t=5 years The annual interest rate is %.

Anton [14]

Hi there :-)
The formula of the simple interest is
I=prt
your question ask to find r which is interest rate you do that by dividing each side by (pt) to get
R=I÷pt
Now solve to get the interest rate
R=562.5÷(1,500×5)
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Hope it helps:-)

4 0

2 years ago

Simplify negative 5 and 1 over 6 − negative 8 and 1 over 2

Tomtit [17]

Answer:

Hi there!

Your answer is;

17/6 OR 2 & 5/6

Step-by-step explanation:

(-5+1)/6 - (-8+1)/2

First, simplify in parentheses!

-4/6 - -7/2

Next, change the symbol of 7/2 because two negatives make a positive!

-4/6 +7/2

Next, change the denominators so they both have the same

-4/6 + 7/2

× 3/3

-4/6 + 21/6

Simplify!

17/6

OR

2 & 5/6

Hope this helps

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2 years ago