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yuradex [85]
3 years ago
13

What is 23+90-12+13x80

Mathematics
2 answers:
aalyn [17]3 years ago
7 0

Answer:

1141

Step-by-step explanation:

In this equation you first multiply so 23+90-12+13x80

23 + 90 - 12 + 1040

The you can add or multiply

113 - 12 + 1040

101 + 1040

1141 is your answer

lbvjy [14]3 years ago
4 0

Answer:

1141

Step-by-step explanation:

The order of operations requires multiplication to be done before addition or subtraction, so we calculate 13x80 first (1040). then, we can add 23 to 90 to get 113, subtract 12 to get 101, and finally add 101 to 1040 to get 1141.

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Diagram shows a framework consisting of 16 wooden rods. The length of each rod is 8 cm.
Umnica [9.8K]

Answer:

1024 cm²

Step-by-step explanation:

There are 16 rods.  A square has 4 equal sides, so each side must consist of 4 rods.  The length of each rod is 8 cm, so the length of each of the square's sides is 32 cm.  Therefore, the area of the square is:

A = s²

A = (32 cm)²

A = 1024 cm²

8 0
3 years ago
Help with these math questions multiple choice
Mrrafil [7]

22. the second one: 4/15x

4 0
3 years ago
Experimental/theoretical
Lera25 [3.4K]

Answer:

A.200

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The supplement of an angle is 3 times the complement of an angle.
-Dominant- [34]
Let’s says that x is the measure of the angle. X and it’s supplement are equal to 180. X and it’s complement are equal to 90. The supplement is s and the complement is c. S is times c which is the same as 3c.

3c + x = 180

C+x = 90
X = 90 - c

3c + 90 - c = 180
2c = 90
C = 45

The complement of. 45 degree angle is 45 degrees.

The angle is 45 degrees.
6 0
3 years ago
Imagine the fire department had to evacuate the 25th floor of an office building. For firefighters to safely reach people at thi
joja [24]

Answer:

Check Explanation

Step-by-step explanation:

Some information required to answer this question is missing, but on a general basis, here goes the carefully researched response.

Majority of popular truck ladders are about 75 to 105 feet long. There are special truck ladders that reach up to 125 feet.

The length of a truck ladder is naturally limited by weight. The weight has to not be too much so that the truck can still move at a good enough speed on the roads. The weight of these ladders are primarily dependent on the strength of the metal used to make them.

At the top of these ladders, on a windy day, eind interference can cause the ladder to move back and forth all over the place, rhereby endamgerimg lives further and using a light material because we want the truck to still be able to move, will not work because light ladders especially, are easily carried by wind.

The 105-foot aerial ladder can reach 7 to 8 floors depending on the height of the floors.

The 25th floor of an office building can be accessed using a ladder that is about 225 ft long and that simply, is not feasible at all to manufacture this ladder considering the required weight and how too far away in the air this ladder would be, there would be little or no control over this.

Hence, a more realistic solution would be an helicopter that is steadied to slowly get people out of that floor.

Also, if the elevators or stairs are still accessible, these are better alternatives than a 225 ft long ladder aiming to reach the 25th floor.

Hope this Helps!!!

4 0
3 years ago
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