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Vinil7 [7]
2 years ago
8

Una pila de 5 libros pesa 9.5 libras. Si cada libro pesa lo mismo, ¿cuánto pesa cada libro

Mathematics
1 answer:
user100 [1]2 years ago
7 0
Pienso que un libro pesa 1.9 libras
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- Round 5,939,576 to the nearest ten thousand
sesenic [268]

Answer: 5,940,000

Step-by-step explanation: So the number in the thousand place is the 3 beside the 9 in the thousand place. So when u you round that number, or will become a 4. So every thing behind the new 4, will become a 0. So the answer will become 5,940,000.

7 0
3 years ago
Solve : 4x+10=14 for x<br> x=___
valentinak56 [21]

Answer:

x=1

To make it 20 characters long.....

a lehougwoeljghhwi;eklt gyfbkqw.jlguyvgsajbqkjr.nltGUDVYAGSIB;GILBUSDVYHAGIBU;JKLTGRIUVHAGIBJKtlgrUVSDAGUIFqbjktnlGARWJUHIGFUWQHJRRGEF

6 0
3 years ago
Find an equivalent expression 8(2d+3) + 2(-3d+1)
Crazy boy [7]

Answer:

1. 10d + 26

Step-by-step explanation:

Given.

8(2d+3) + 2(-3d+1)

= 16d + 24 - 6d + 2

= 10d + 26

Hope it will help :)

3 0
3 years ago
Find angle ADB of the equation
Aloiza [94]

Answer:

m\angle ADB = 59\°.

Step-by-step explanation:

Given:

\angle BDC = 31\°

We need to find \angle ADB.

Solution:

Now we can see that given figure is a rectangle with diagonals drawn in it.

So by properties of rectangle which states that;

"All angles of a rectangle are 90°."

So we can say that;

\angle A = \angle B = \angle C = \angle D = 90\°

But

\angle D = \angle BDC + \angle ADB

Substituting the values we get;

31\°+\angle ADB = 90\°

Subtracting both side by  by 31 we get;

31\°+\angle ADB -31\°= 90\°-31\°\\\\m\angle ADB = 59\°

Hence m\angle ADB = 59\°.

8 0
3 years ago
*** PLEASE help im stuck
Mila [183]

The sum of the interior angles of a polygon will add up to 180 degrees. Four sides give you two triangles and that's the least amount you need to have a polygon. Every additional side after 4 will get you another triangle. So now that you know the basic information lets explain how the formula makes sense. First lets add a 2 to the equation for how many triangles are required count as polygon.

#triangles = 2

Next you need to factor in how each side after 4 sides are an extra triangle and since you already put down 2 triangle which is equal to 4 sides you need to subtract the required amount of sides by additional sides of a polygon.

#triangles = 2 + ( s - 4 )

After that you just simplify that equation to...

#triangles = ( s - 2 )

Finally you need to factor in the the degrees and since every triangle's sum of interior angles add up to 180 degrees that is the number you have to multiply against.

sum of interior angles of a polygon = ( s - 2 ) x 180.

I now it's wordy and repeats a lot, but I think its a good enough explain of how to find the sum of the interior angles of any polygon :)

6 0
2 years ago
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