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bogdanovich [222]
3 years ago
8

1 + 2 + (-5) + 4 A . -6 B . -5 C . 0 D . 2 E . 4 F . 12

Mathematics
1 answer:
Dovator [93]3 years ago
5 0

Answer:

Option D. 2

Step-by-step explanation:

1+2+(-5)+4

= 1+2-5+4

= 1+2+4-5

= 7-5

= 2

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What is the exact of the expressions square root of 180 - square root of 125 + square root of 5
Ivenika [448]
\bf \sqrt{180}-\sqrt{125}+\sqrt{5}\qquad 
\begin{cases}
180=2\cdot 2\cdot 3\cdot 3\cdot 5\\
\qquad 2^2\cdot 3^2\cdot 5\\
\qquad (2\cdot 3)^2\cdot 5\\
\qquad 6^2\cdot 5\\
125=5\cdot 5\cdot 5\\
\qquad 5^2\cdot 5
\end{cases}
\\\\\\
\sqrt{6^2\cdot 5}-\sqrt{5^2\cdot 5}+\sqrt{5}\implies 6\sqrt{5}-5\sqrt{5}+\sqrt{5}\implies 2\sqrt{5}
4 0
3 years ago
The graph below shows a line of best fit for the relationship between the number of tickets that Brittany has and the number of
g100num [7]

Answer:

C.  

The slope means that for every three rides, Brittany uses about 14 tickets.

Step-by-step explanation:

The given line of best-fit is

y = -4.64x + 47.6

Y-intercept is the point where x is zero. For the given equation y-intercept will be 47.6 or 48 rounded to nearest dollar. In other words, y-intercept is also a point where the line cross the y-axis.

From the given graph we can see that the y-axis shows the number of tickets purchased. The point where the line cross y-axis is about 48.

This tells us that Brittany had 48 tickets when she did not take any ride.

In this case, the slope of the line tells us that how many tickets were used for one ride, as x represents the number of rides. For one ride 4.64 tickets were, for 2 rides 2 x 4.64 = 9.28 tickets were used, for 3 rides 13.92 or around 14 tickets were used.

Now if we look at the given options we can easily say the option C is the correct answer.

Option A is not correct as it gives the opposite information than the actual one. Option B is also wrong, as x-intercept will tell us after how many rides the tickets will expire. Option D is wrong as y-intercept gives the number of tickets not the amount of money.

8 0
3 years ago
Read 2 more answers
Please help!!!
11Alexandr11 [23.1K]

Answer:

Perimeter: 3/4

Area: 9/16

Step-by-step explanation:

The ratio of the perimeters is equal to the ratio of the sides so:

18/24 = 3/4

Ratio of Area = (Ratio of Sides)^2

(3/4)^2 = 9/16

I wasn't sure about the answer so I used Gauthmath

7 0
3 years ago
Is this correct ? if not what’s the correct answer?
JulsSmile [24]

Answer:

Yes that is correct

Step-by-step explanation:

56+56+68 = 180

5 0
2 years ago
Read 2 more answers
Which of the following would NOT be a deduction from a paycheck?
gavmur [86]
The answer would most likely be hourly wages

5 0
3 years ago
Read 2 more answers
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