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yuradex [85]
3 years ago
13

What is the perimeter of a square whose diagonal is 10 centimeters? Round to the nearest tenth, if necessary.

Mathematics
1 answer:
Alinara [238K]3 years ago
6 0

Answer:

D

Step-by-step explanation:

I hope this correct and have a great day

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Find the vector equation for the line of intersection of the planes 5x+3y−2z=−45x+3y−2z=−4 and 5x+5z=0
olga_2 [115]

5x+5z=0\implies x+z=0\implies z=-x


5x+3y-2z=7x+3y-2x-2z=7x+3y-2=-4\implies7x+3y=-2


Letting x=t and z=-t, we have


7t+3y=-2\implies y=-\dfrac73t-\dfrac23


so the intersection is given by


\mathbf r(t)=\left(t,-\dfrac73t-\dfrac23,-t\right)

8 0
2 years ago
A rectangle had an area of 4 square meters. The width is 1/5 meter. What is the length of the rectangle?
dolphi86 [110]

Answer:

20 meters

Step-by-step explanation:

Area = Length * Width

4 = x * 0.2

4/0.2 = x

x = 20 meters

3 0
3 years ago
Organize the following polynomial expressions from least to greatest based on their degree: (2 points) I. x + 2xyz II. 3x + y +
sergejj [24]
1) x + 2xyz
2) 3x + y + z
3) 2x³y + y²x - 3x + 4
4) 9x³yz

Least to greatest: 2 , 1, 4, 3,

Let us assume that x = 3; y = 2; z = 1 and we disregard the coefficients
1) x + 2xyz  ⇒ 3 + (3)(2)(1) = 9
2) 3x + y + z ⇒ 3 + 2 + 1 = 6
3) 2x³y + y²x - 3x + 4 ⇒ (3³)(2) + (2²)(3) - 3 = 63
<span>4) 9x³yz </span>⇒ (3³)(2)(1) = 54

Least to greatest ; 2) 6 ; 1) 9 ; 4) 54 ; 3) 63.

We disregarded the coefficients because the expressions are organized based mainly on their degree. 
5 0
3 years ago
Read 2 more answers
Help me I really need help answer asappppppppp
labwork [276]

Answer:

$4.76

Step-by-step explanation:

The cost is $15.24

She gave $20.00

Therefore, you subtract to find the change she would receive.

20-15.24=4.76

This means that she should get $4.76 in change

Hope this was helpful

5 0
3 years ago
Read 2 more answers
Larry has 9 gallons of paint. He uses 10 quarts to paint his kitchen and 3 gallons to paint his living room. How many pints of p
const2013 [10]
1 gallon is 4 quarts or 8 pints. 9 gallons - 3 gallons= 6 gallons
Then convert it to quarts so, 6×4=24 quarts.
Then subtract that by 10 quarts so, 24-10=14 quarts.
Because you requested the number in pints, you have to convert it again and because there are 2 pints in a quart you multiply it by 2 so, 14×2=28 pints left over.
5 0
3 years ago
Read 2 more answers
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