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sertanlavr [38]
3 years ago
12

The table gives the grouped frequency distribution for the lengths of the electrical cords of 80 kettles.

Mathematics
2 answers:
Verizon [17]3 years ago
4 0

Answer: First box 44, second box 77 and third box 80❤️

Step-by-step explanation:

jeka57 [31]3 years ago
4 0

Answer:

44,77,80

Step-by-step explanation:

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3 0
3 years ago
The formula for the area of a trapeziod is A=1/2h(b1+b2), where b1 and b2 are both the bases and h is the height. Find the value
Mice21 [21]
Does it list what both of the bases are?
7 0
3 years ago
The measure (in inches) of the sides of triangle RIO are equivalent to three consecutive odd integers. The perimeter is 201 inch
mariarad [96]
Let 
x-------------> first odd integer
x+2---------> second odd integer
x+4---------> third odd integer

we know that
(x)+(x+2)+(x+4)=201--------> 3x+6=201--------> 3x=195-------> x=65

the three <span>sides of triangle RIO are 
</span>x=65 in
x+2-----> 65+2-----> 67 in
x+4----> 65+4------> 69 in

then
69²=4761----------> c²
(65²+67²)=8714--------> a²+b²
c² < (a²+b²)---------> the triangle RIO is not obtuse
Is acute angle triangle

<span>statements 
1) </span><span>The triangle is obtuse--------> is false
</span>Is acute angle triangle
<span>
2) </span><span>The triangle is scalene-----> is correct
The three sides measures are diferent 

3)</span><span>The smallest side measures 61 inches--------> is false
</span><span>The smallest side measures 65 in
</span><span>
4)</span><span>The largest side measures 69 inches-------> is correct
</span><span>
5) </span><span>If triangle RIO is dilated of 1/3, then the perimeter of the dilated triangle will be 3 units smaller
</span><span>If triangle RIO is dilated of 1/3, then news sides are
</span>65/3------> 21.67 in
67/3-------> 22.33 in
69/3------> 23 in

the new perimeter is=21.67+22.33+23------> 67 in
201-67=134 in
therefore
If triangle RIO is dilated of 1/3, then the perimeter of the dilated triangle will be 3 units smaller----------> is false

Because the perimeter of the dilated triangle will be 134 units smaller

6 0
3 years ago
Read 2 more answers
A building has a window that is 12 feet high. Stan is going to use a ladder to get up to the window and decides to keep the ladd
olasank [31]
Answer=13 feet long

This information describes a right triangle, with sides 5ft and 12ft.

a²+b²=c²
5²+12²=c²
25+144=c²
169=c²
√169=√c²
13=c

The ladder needs to be 13ft long
3 0
3 years ago
Select the correct answer.
erica [24]

Answer:

D 9m 4m because 9 divided by 2 is 3 and 4 divided by 2 is 2 and that's us you answer.

4 0
3 years ago
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