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Sedaia [141]
3 years ago
15

I think it’s 14? Is that right or no?

Mathematics
1 answer:
Rudiy273 years ago
6 0

Answer:

Im pretty sure its 11 because if you look at 145 mark its at between 10 and 12, Hopefully that helps!

Step-by-step explanation:

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Solve the system of equations by elimination:<br> 2 - 5y = 1<br> 2x + 5y = 17
lesantik [10]

Answer:

X = 8 And y = 1/5

Step-by-step explanation:

add equaction i and education ii,

2 -5y = 1

2x +5y = 17

------------------

2+2x = 18

or, 2x = 18 - 2

or X = 16/2

or X = 8

Again from equation i,

2 - 5y = 1

or, -5y = 1 - 2

or, -5y = -1

or, y = -1/-5 (cut the subtraction sign)

or, y = 1/5

8 0
2 years ago
Andrew is hiking in a mountainous area of a state park. Use the given key features to sketch a graph.
Molodets [167]

Using the features, a piece-wise function is defined, and the graph is sketched at the end of this answer.

A piece-wise function is a function that has <u>multiple definitions</u>, depending on the value of the input.

He starts at 0 feet, and reaches a maximum elevation of 800 feet in 30 minutes, with a steady(linear) increase thus, for the first 30 minutes, the definition is:

h(t) = \frac{800}{30}t, 0 \leq t < 30

For the next 5 minutes, he stops to rest, at the maximum elevation of 800 feet, thus, the definition is:

h(t) = 800, 30 \leq t < 35

For the final 20 minutes, he descends 800 meters, at a linear rate, thus:

h(t) = 800 -\frac{800(t-35)}{20} = 800 - 40(t - 35), 35 \leq t \leq 55

Using these definitions, the graph is sketched at the end of this answer.

A similar problem is given at brainly.com/question/13205719

7 0
3 years ago
Find the difference. <br> - 4 1/9 - 7 2/3<br> **Answer should be a fraction**
olganol [36]

Answer:

your answer is

- 11 \frac{7}{9}

4 0
3 years ago
people with severe hearing loss given a sentence and word recognition test six months after they got implants in their ears the
kirza4 [7]
That would be .82 as 82% is 82/100 so that makes the answer .82
8 0
3 years ago
PLEASE HELP<br><br> Write a simplified expression that represents the perimeter of the rectangle.
Mice21 [21]
P=[2(2x)]+[2(4x+3)]
4 0
3 years ago
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