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fgiga [73]
3 years ago
14

Slope between 1, 3/4 and 4, -3

Mathematics
1 answer:
emmainna [20.7K]3 years ago
4 0
Answer: The slope is -5/4
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Three times the sum of half Carlita's age and 3 is at least 12. What values represent Carlita's possible age?
cestrela7 [59]

Answer:

at least 6

Step-by-step explanation:

3(.5x+3)>12

1.5x+9>12

1.5>9

x>6

5 0
2 years ago
Read 2 more answers
Suppose a railroad rail is 3 kilometers and it expands on a hot day by 15 centimeters in length. Approximately how many meters w
earnstyle [38]

Answer:

Answer:  13.4 m

Step-by-step explanation:

For small angles, x, in radians,

tan(x) ≈ sin(x) = x

Use this to create an approximate diagram for the problem as shown in the figure below.

The actual deflected shape is parabolic, but it is approximated by an isosceles triangle with small equal angles.

The extend length is 3 km + 12 cm, which is 

3000 + 0.12 = 3000.12 m

Half of the extended length is 1500.06 m

Let h+  the rise of the center of the rail above ground.

From the Pythagorean theorem, obtain

h² + 1500² = 1500.6²

h² = 1500.06² - 1500² = 180.004

h = 13.4 m, which is about 0.9% of the original length.

Read more on Brainly.com - brainly.com/question/5596356#readmore

6 0
2 years ago
Write 2x - x2 = 1 in standard form.<br> An equation in standard form is
Marat540 [252]

Answer:

X^2-2X+1=0

Step-by-step explanation:

given,2X-X^2=1

or,-(X^2-2X)=1

or,X^2-2X=-1

or,X^2-2X+1=0 ,which is the req.equation in standard form.

6 0
3 years ago
Read 2 more answers
Part G
ycow [4]
Where is the problem?
5 0
2 years ago
What's 917392639x03789572
kherson [118]
I'm not even going to explain, it's just 3.4765255e+15.
8 0
3 years ago
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