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podryga [215]
3 years ago
12

Whats 9 plus 10

Mathematics
2 answers:
dolphi86 [110]3 years ago
8 0

Answer:

19

Step-by-step explanation:

9 + 10 = 19

It is impossible for it to be 21.

10

9

----

1 9

Hope this helps.

Alice.

Anna11 [10]3 years ago
5 0

Answer:

it is 21 because 9+10=19+2=21-10=11+10=21 its magic

Step-by-step explanation:

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Liula [17]

Answer:

6

Step-by-step explanation:

4 0
3 years ago
-4x-3(-44-23)=13<br><br><br> please show the work, i’ll mark brainliest
pychu [463]

Answer:

47

Step-by-step explanation:

Let's solve your equation step-by-step.

−4x−3(−44−23)=13

Step 1: Simplify both sides of the equation.

−4x+201=13

Step 2: Subtract 201 from both sides.

−4x+201−201=13−201

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Step 3: Divide both sides by -4.

−4x

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=

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2 years ago
V=pir^2h solve this equation for h
Nady [450]
Since we are solving for h, the equation:

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...divides πr² to the other side. Thus, it becomes....

\frac{V}{ \pi r^2} = h

Which can be rewritten as....

h = \frac{V}{ \pi r^2}
3 0
3 years ago
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How many diagonals are in a polygon with 14 sides.
Akimi4 [234]
I think it's 77 sides
5 0
3 years ago
Darnells car used 8 gallons to travel 340. Miles after a machanic worked on the car it used 7 gallons of gasoline to travel 350
Likurg_2 [28]

Answer:

 What we are going to do for this case is find the cost for each case:

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 Cost to run the car after the mechanic worked on it:

 

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 Answer:

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Read more on Brainly.com - brainly.com/question/2528459#readmoreStep-by-step explanation:

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