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Aleks [24]
3 years ago
11

What is the unit rate for 4543.08 km in 52.4 h? Enter your answer, as a decimal, in the box. km/h

Mathematics
2 answers:
sdas [7]3 years ago
8 0
Plz mark me brainliest the answer is 86.7

hope this helps :)


Kobotan [32]3 years ago
4 0

Answer:

The correct answer is 86.7

Hope this helped! :)



^-^



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Help me please <br> i need help lol
Dmitriy789 [7]

Answer:

<3 and <4 are supplementary

Step-by-step explanation:

<3 and <4 form a linear pair, so they are supplementary (=180 degrees)

8 0
3 years ago
How many solutions does the system have?
amid [387]

Answer:

A; infinitely many solutions

Step-by-step explanation:

first, let's simplify the first equation to make it simpler.

divide both sides by 5

y=3x-8

new system

y=3x-8

y=3x-8

as you can see, they are the same.

not mandatory but useful!⬇⬇⬇⬇

just to be more clear, let's substitute them. since they're both already in y=, we can make them both set to each other.

3x-8=3x-8

add 8 to both sides; subtract 3x from one side

0=0

the answer is A, Infinitely many solutions.

hope this helped <3333333

8 0
3 years ago
I REALLY NEED HELP! PLEASE HELP ME!!
kirill [66]

Answer:

5:3

Step-by-step explanation:

a burger cost 10 and a hot dog cost 6 so the ratio is literally 10:6 if u want a simplified answer divide both numbers by 2

5:3

8 0
2 years ago
Read 2 more answers
I JUST REALLY MEED HELP I GIVE BRAINLIEST
Nutka1998 [239]

Answer:

32 dollars

Step-by-step explanation:

Let's say the original price is x

Create an equation:

\frac{1}{2}x -5 = 11

Add 5 on both sides

\frac{1}{2}x = 16

x = 32

The answer is 32 dollars

Hope this helps :)

Have a nice day!

8 0
2 years ago
If \: x + y + z = 0 \: then \: show \: that \: {x}^{3} + {y}^{3 } + {z}^{3} =3xy<br>​
tankabanditka [31]

Answer:

Given

x+y+z=0

⟹x+y=−z

Cubing on both sides

(x+y) 3 =(−z) 3

⟹x 3 +y 3 +3x 2y+3xy 2 =−z 3

⟹x 3 +y 3 +3xy(x+y)=−z 3

⟹x 3+y 3+3xy(−z)=−z 3

⟹x 3 +y 3−3xyz=−z 3

⟹x 3 +y 3 +z 3 =3xyz

Step-by-step explanation:

Hope it is helpful.....

8 0
2 years ago
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