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dezoksy [38]
3 years ago
9

Round 15,677 to the nearest ten thousand

Mathematics
1 answer:
masha68 [24]3 years ago
5 0
15,677 rounded to the nearest ten thousand would be...
20,000
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Mariela bought gas for her car. Gas costs $2.12 per gallon, and
Montano1993 [528]

Answer:

$49.82

Step-by-step explanation:

Since each gallon is $2.12 you would just do $2.12 times 23.5 which equals $49.82. So Mariela spent $49.82 on gas

5 0
3 years ago
Read 2 more answers
Identify the correct equation of the parabola.
Dmitriy789 [7]

The correct equations of a parabola are  z = 2(y-9)²-2 and y = 2(z-2)²-9.

This is a problem with coordinate geometry. We can solve this by following a few steps.

First of all we should know the ideal equation of a parabola. The equation is,

  • x = a( y - h )² + k
  • y = a( x - k )² + h
  • where ( h, k ) is the vertex of the parabola.

From all those options only last two equations satisfy the conditions.

  •  z = 2(y-9)²- 2
  • y = 2(z-2)²- 9

Where the coordinate of the vertex of this parabola is ( 9, 2 ).

Hence we can conclude that z = 2(y-9)²-2 and y = 2(z-2)²-9 are the correct equation of a parabola.

To know more about parabola visit,

 brainly.com/question/21685473?referrer=searchResults

#SPJ9

5 0
1 year ago
2. Evaluate the expression for a = –1 and b = 5. Show your work.<br> 5a – 7b + b2
Katen [24]
Greetings!

Input the values which represent the variables:
=5a-7b+b^2

=5(-1)-7(5)+(5)^2

Solve
following the Order of Operations:
=5(-1)-7(5)+25

=-5-7(5)+25

The Answer Is:
\boxed{-15}

I hope this helped!
-Benjamin
6 0
3 years ago
<img src="https://tex.z-dn.net/?f=3%5E%7Bx%7D%20%20%3D%204" id="TexFormula1" title="3^{x} = 4" alt="3^{x} = 4" align="absmiddl
Juli2301 [7.4K]

9514 1404 393

Answer:

  xy ≈ 2.3

Step-by-step explanation:

Logarithms can be used to find x and y.

  3^x = 4

  x·log(3) = log(4)

  x = log(4)/log(3)

__

 4^y = 12

  y = log(12)/log(4)

__

Then xy is ...

  xy = log(4)/log(3) × log(12)/log(4) = log(12)/log(3)

  xy ≈ 1.079/0.477

  xy ≈ 2.26

3 0
3 years ago
What is the rate of 28/22
sineoko [7]

How much is 22 out of 28 written as a percentage? Convert fraction (ratio) 22 / 28 Answer: 78.571428571429%

Hope this helped! Enjoy! :)

5 0
3 years ago
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