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Ray Of Light [21]
3 years ago
9

How many acute/obtuse/right angles does a pentagon have

Mathematics
1 answer:
KengaRu [80]3 years ago
4 0
5 obtuse no acute and no right
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How do you solve this using substitution? <br> -x+y=1<br> x+y=-1
Alexeev081 [22]
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form: (-1,0)
Equation form: x=-1,y=0
4 0
4 years ago
Can someone help ASAP please?
zhuklara [117]

Answer:

y=2

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Step-by-step explanation:

5 0
3 years ago
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Suppose the line of best fit for some data points a slope of 4.404 if the mean of the x-coordinates of the data points 8.891 and
Anton [14]
We need to solve for the y-intercept of the line and the given values are enumerated below:
point slope = m = 4.404
mean of the x coordinate of the data point = 8.891
mean of the y coordinate of the data point = 5.519
We can use the equation of the line in a point-slope form such as:
y = mx + c
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5.519 = (4.404* 8.891) +c
c = 5.519 - (39.156)
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y = 4.404(0) + (-33.637)
y= -33.637

The answer is -33.637 for y-intercept.
7 0
4 years ago
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A 30​-inch piece of steel is cut into three pieces so that the second piece is twice as long as the first​ piece, and the third
Mamont248 [21]

Answer:

3 will be the first piece

6 will be the second piece

21 will be the second piece

5 0
4 years ago
michael is making a square pyramid out of paper for a school project .he cuts a piece of paper with the dimensions shown to make
kakasveta [241]

Answer:

273.2

Step-by-step explanation:

Surface area of the pyramid=Area of square+4*area of triangle

Surface area of the pyramid=10^2+2*(8.66)*10

Surface area of the pyramid=100+173.2=273.2

8 0
3 years ago
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