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forsale [732]
3 years ago
8

_______________________please help

Mathematics
1 answer:
Neporo4naja [7]3 years ago
6 0

The answer is they can remain playing for 2,401 minutes because 2^4 =16 so you do 7^4 as well and that gives u your answer

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7(-2 - 5n) solve<br>how do you do this equation can you help me please?​
Shkiper50 [21]

Answer:

-14-35n

Step-by-step explanation:

First do distributive property and you multiply 7 by -2 and by -5n

5 0
4 years ago
Mr. Burns takes a one-day trip and rents a car using the rates given. All cars rental are $35 a day plus $0.07 per mile. The car
Drupady [299]

Answer:

475 miles

Step-by-step explanation:

Solving for this Equation given to us already in the question:

m = number of miles travelled

0.07m + 35 = $68.25.

0.07m + 35 = 68.25

Collect like terms

0.07 m = 68.25 - 35

0.07m = 33.25

m = 33.25 / 0.07

m = 475 miles

Therefore, the number of miles he travelled = 475 miles

4 0
3 years ago
Lonzell said the function shown in the graph is positive on the interval (−,) and negative on the interval (−,−)open negative 5
Nezavi [6.7K]

Answer:

The positive graph is on the points  (-5,-4) and (2,5)

And, negative would be (-4,2)

Step-by-step explanation:

As it seems that fgraph shows positive in the case when it is over x-axis, and negative when it is below y-axis

As on the interval (-1,5)

The graph is below x-axis i.e. on (-1,2)

And, over x-axis i.e. on (2,5)

At this point Lonzell’s  is not correct

As on the interval (-5,-1)

The graph is below x-axis i.e. on (-4,-1)

And, over x-axis i.e. on (-5,4)

 At this point Lonzell’s  is not correct

So,

The positive graph is on the points  (-5,-4) and (2,5)

And, negative would be (-4,2)

5 0
4 years ago
How does a 180 degree rotation about the origin change the coordinates of a shape
notsponge [240]

Answer:

According to the 180°-rotation rule, you take the OPPOSITE of both the x-coordinate and y-coordinate:

180°: [<em>x</em>, <em>y</em>] → [<em>-x</em>, <em>-y</em>]

I am joyous to assist you anytime.

6 0
3 years ago
X2 + y2 + 42x + 38y − 47 = 0. The equation of this circle in standard form is
erastova [34]

The Standard form of the equation of circle is (x+21)² + (y+19)² = 849

<h3>What is Standard form of circle?</h3>

To transform general form to a standard form, you can use completing the square method or you can convert this equation

x² + y² + Dx + Ey + F = 0 to x² + y² + (-2h)x + (-2k)y + (h²+k²-r²) = 0

Here, Given: x² + y² + 42x + 38y − 47 = 0

Required: Find the values of h, k, and r using this formula

x² + y² + (-2h)x + (-2k)y + (h²+k²-r²) = 0

On comparing we get,

-2h = 42

  h = 21

-2k = 38

 k = 19

-47 = h² + k² - r²

-47 = 21² + 19² - r²

   r² = 849

  r = √849

Thus, the Standard form of the equation of circle is (x+21)² + (y+19)² = 849

Learn more about Circle from:

brainly.com/question/11833983

#SPJ1

7 0
2 years ago
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