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SpyIntel [72]
2 years ago
13

Is 40 is 50% of 80 true or false With step by step evidence

Mathematics
1 answer:
Fantom [35]2 years ago
4 0

Answer:

please mark brainliest

it is true

Step-by-step explanation:

if you multiplie 80 by 0.50 you will get 40,

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Which expression is equivalent to r to the 9th over r to the 3rd
alisha [4.7K]

Answer:

r^{6}

Step-by-step explanation:

To make this a bit easier to see, we'll expand that expression.

R to the 9th is just r times itself 9 times. R to the third is r times itself 3 times.

(excuse my bad formatting)

<u>The expression:</u>

<u>r • r • r • r • r • r • r • r • r • 1</u>

             r • r • r • 1

Remember, anything and everything has a coefficient or denominator of 1.

So, we can cancel 3 r's from the numerator and denominator.

<u>r • r • r • r • r • r • 1</u>

             1

Simplify....

\frac{1r^{6}}{1}

That just equals r^{6}.

3 0
2 years ago
What is the value of 10×+z=150<br>​
JulijaS [17]

Answer:

<h2><u><em>15</em></u></h2>

Step-by-step explanation:

what is the value of 10×+z=150

10× (+z) = 150

10 × z = 150

z = 150 : 10

z = 15

-----------------------

check

10 × 15 = 150

the answer is good

8 0
2 years ago
Read 2 more answers
The student council is planning the school carnival. Each
Assoli18 [71]

Answer: y = 2.50x

Step-by-step explanation:

X represents the number of tickets sold, and because each ticket costs $2.50, the expression would be 2.50x to find how much money is raised, which can be represented as y.

5 0
3 years ago
12 m/min equals how many cm/s?
victus00 [196]
Equals meter minute  20 cm/s 
7 0
2 years ago
Find the measure of the numbered angle.
Mila [183]
The angle adjacent to angle 6 is the one we need to find first.  To do this, add the measures of the intercepted arcs and divide by 2.  60 + 50 = 110, and half of that is 55.  That means that both adjacent angles to the angle 6 are 55 (vertical angles are congruent).  The measure of all the angles added together is 360 and angle 6 is vertical to the other "sideways" angle, so they are congruent as well.  360 - 55 - 55 = 250.  Split that up between angle 6 and its vertical angle to get that each of those measure 125.  Angle 6 measures 125, choice b from above.
4 0
3 years ago
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