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devlian [24]
2 years ago
14

Pleaseee helpppp answer correctly !!!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!

Mathematics
1 answer:
kirza4 [7]2 years ago
3 0

Answer:

10.4 meters

Step-by-step explanation:

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Answer please thanks for answer ​
zavuch27 [327]

Answer: 15.8

In this number, .8 is the tenths place. So round it to this number.

.839 rounded to nearest tenth = .8

Your result should be 15.8.

15.839 rounded to the nearest tenth is 15.8.

8 0
2 years ago
Pls answer correctly I’ll give you brainliest
baherus [9]

Answer:

y=-1x+-3

Step-by-step explanation:

7 0
2 years ago
Please help me please ​
Lubov Fominskaja [6]

Answer:

(x+4)+(2x)

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The measure of one angle of an octagon is two times smaller that of the other seven angles. What is the measure of each angle?
Anestetic [448]

Answer:

7 of the angles measure 144 degrees each and one angle measures 72 degrees

Step-by-step explanation:

Let

x -----> represent the measures of the seven same-size angles,

x/2 ----> represent the measure of the one that is "two times smaller."

we know that

The sum of internal angles of a polygon can be calculated as:

S=180^o(n-2)

where

n is the number of sides of the polygon

In this case

n=8 (octagon)

substitute

S=180^o(8-2)=1,080^o

so

The linear equation that represent this problem is

\frac{x}{2}+7x=1,080

solve for x

\frac{15x}{2}=1,080\\\\15x=2,160\\\\x=144^o

so

\frac{x}{2}=72^o

therefore

7 of the angles measure 144 degrees each and one angle measures 72 degrees

7 0
2 years ago
which expression correctly shows the commutative proberty? a)8+14+22+9=(8+14)+(22+9). b)8+14+22+9=8+(14+22)+9. c)8+14+22+9=53. d
Lerok [7]
D has the commutative property because it just flip flopped the numbers.
5 0
3 years ago
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