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alisha [4.7K]
3 years ago
15

Check 8.0622577483 rounded to the nearest tenth = 8.1 Is that correct

Mathematics
2 answers:
belka [17]3 years ago
8 0
Yes any number 5 and up when rounding is changed and goes up by one
alisha [4.7K]3 years ago
6 0
Yes that it's correct because numbers that are 5+ round up and numbers that are 4-stay the same.
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Mark is playing baseball after school. He wants to find the total distance he will need to ride his bike from school to the park
Elan Coil [88]

Answer:

i think it's 6.

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8 0
3 years ago
Read 2 more answers
Which statement BEST describes a parallelogram with coordinates A (-1, 0), B (-4, 5), C (1, 8) and D (4, 3)? A. The diagonals ar
klio [65]
<h2>Answer:</h2>

D.

<h2>Step-by-step explanation:</h2>

The representation of this problem is shown below. To find the answer, we need to use the distance formula:

The \ \mathbf{distance} \ d \ between \ the \ \mathbf{points} \ (x_{1},y_{1}) \ and \ (x_{2},y_{2}) \ in \ the \ plane \ is:\\ \\ d=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}

  • The first diagonal is formed by the points A and C
  • The second diagonal is formed by the points B and D

So, for the first diagonal:

A(x_{1},y_{1})=A(-1,10) \\ \\ C(x_{2},y_{2})=C(1,8) \\ \\ \\ d_{1}=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2} \\ \\ d_{1}=\sqrt{[1-(-1)]^2+(8-10)^2}=2\sqrt{2}

For the second diagonal:

B(x_{1},y_{1})=B(-4,5) \\ \\ D(x_{2},y_{2})=D(4,3) \\ \\ \\ d_{2}=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2} \\ \\ d_{2}=\sqrt{[4-(-4)]^2+(3-5)^2}=2\sqrt{17}

So the diagonals aren't congruent. Are they perpendicular?

\vec{AC}=(1,8)-(-1,10)=(2,-2) \\ \\ \vec{BD}=(4,3)-(-4,5)=(8,-2)

These two vectors will be perpendicular (hence the diagonals will be perpendicular) if and only if the dot product equals zero, so:

(2,-2).(8,-2)=2(8)+(-2)(-2)=20\neq 0

Thus, the diagonals aren't perpendicular. In conclusion:

<h3>D. The diagonals are neither congruent nor perpendicular, which means the quadrilateral is a parallelogram only.</h3>
4 0
3 years ago
Consider the function , f(x)=4x-5 what is the domain value that correspond to an output of f(x) = 11
kati45 [8]

Answer:

x = 4

Step-by-step explanation:

given f(x) = 11 then equate f(x) = 11 and solve for x

4x - 5 = 11 ( add 5 to both sides )

4x = 16 ( divide both sides by 4 )

x = 4 ← value of x in the domain


6 0
3 years ago
Approximately 33,500 citizens of the country died in automobile accident in 2015. Express the toll in deaths per day
lutik1710 [3]
33500 / 365  = 91.8    

about 92  per day
4 0
3 years ago
Read 2 more answers
5.
horsena [70]
Need to know the radius.
7 0
3 years ago
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