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Kryger [21]
3 years ago
15

7,5 +-7,5+-7-2+7-2 what is the perimeter

Mathematics
1 answer:
garik1379 [7]3 years ago
7 0

If you add them all up it would be 6.

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Please help!! Explain how you got the answer!
mash [69]

multiply 3.5 x 3 = 10.5

 add -5 +-10 = -15

 so you have 10.5 x 10^15

 then you need to move the decimal point 1 place to the left to get 1.05

 since you move the decimal point 1 place to the left you add 1 to the -15 to get -14

 so answer = 1.05 x 10^-14


8 0
3 years ago
How to name a angle in 4 different ways?<br> First answer and correct answer gets to be brainliest!
likoan [24]

Hey there!

  • 4 ways to name angles

⇒ Use the vertex as the middle letter, and the point from each side (<ABC or <CBA)

⇒ Use the vertex only (<B)

⇒ Use a number (<1)

  • Classify angles according to their measure.

⇒ Acute angle: less than 90°

⇒ Right angle: exactly 90°

⇒ Obtuse angle: between 90° and 180°

⇒ Straight angle: exactly 180°

Thank you,

Eddie

See the attachment for a visual!

3 0
1 year ago
a boat going upstream at 4 mph then travels downstream at 10 mph. what is the rate of the boat in still water​
elixir [45]

Answer:

7 mph

Step-by-step explanation:

If b is the rate of the boat, and s is the rate of the stream, then:

b − s = 4

b + s = 10

Solve the system of equations with substitution or elimination.  Using elimination, add the equations together:

2b = 14

b = 7

The boat's rate is 7 mph.

7 0
3 years ago
Question choices<br> 85<br> 50<br> 42.5<br> 59<br> 1.7<br> PLEASE HELP PLS
aleksley [76]

Answer:

42.5

Step-by-step explanation:

Multiply 50 by 0.85, which equals 42.5.

6 0
3 years ago
Write an equation of a line parallel to y=1/3x +4
andreyandreev [35.5K]

Answer:

There can be infinite possibilities as long as the slope is the same (1/3)

Step-by-step explanation:

For example; y=1/3x+5(+/-)

8 0
2 years ago
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