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Pavlova-9 [17]
4 years ago
11

I need help on number 30.

Mathematics
1 answer:
Naily [24]4 years ago
6 0

Answer:

X=35

Step-by-step explanation:

Angle M= 60 <-- because we know a triangle=180 and so far we have 40 and 80 in the triangle JKM, 60 degrees is needed to complete 180

The other side of angle M (in the triangle KML)= 120 <-- because we know that a straight edge is 180 degrees and to complete the 180, we need another 120 degrees

so, to find X we need to find how many degrees are needed to complete the 180 degrees of triangle KML

120+25= 145

180-145= 35

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which of the following triangle classification is defined by an angle that is created by two perpendicular lines?
GenaCL600 [577]

Answer:

Right Triangle

Step-by-step explanation:

An angle created by two perpendicular lines is a right angle, and a triangle with a right angle is a right triangle.

5 0
3 years ago
The highest point in the mountains of Seattle is 5,833 meters above sea level. The lowest point in the valley is 57 meters below
lana [24]

Answer: 5890 meters

Step-by-step explanation:

Given: The highest point in the mountains of Seattle is 5,833 meters above sea level.

The lowest point in the valley is 57 meters below sea level.

in integers it is represented by -57 meters. [we use negative integer to represents "below"]

Difference between the highest and lowest point = Highest point - lowest point

=  5,833 meters -(-57) meters

= (5833 + 57) meters      [a-(-b)= a+b]

= 5890 meters

Hence, the required difference = 5890 meters

6 0
3 years ago
Fran used a graphics program to reduce a
Setler79 [48]

Answer:

The reduced dimensions are:

Width = 12 cm

Length = 7.2 cm

Step-by-step explanation:

Original dimensions of Image:

Width = 20 cm

Length = 12 cm

Fran reduced the dimensions using a scale factor of 0.6

We need yo find dimensions of reduction.

We would multiply the original dimensions by 0.6 to find the new dimensions.

So, Width = 20 * 0.6 = 12

length = 12 * 0.6 = 7.2

So, the reduced dimensions are:

Width = 12 cm

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6 0
3 years ago
Find the mean of :<br> 9,7,2,4,3,5,9,6,8,0,3,8
Aleksandr-060686 [28]

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
a cylinder has a base radius of 2 inches and a height of 9 inches what is the volume in cubic in to the nearest tenth place.
GuDViN [60]

Answer:

113.1 cubic inches

Step-by-step explanation:

The volume of a cylinder is given by the formula:

V=\pi r^2 h

Where

V is the volume

r is the radius

h is the height

Given, h = 9 and r = 2, we substitute and find the volume:

V=\pi r^2 h\\V=\pi (2)^2 (9)\\V=36\pi\\V=113.097

We need answer to nearest tenth, that is 1 decimal place, so we round of the answer as:

113.1 cubic inches

3 0
3 years ago
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