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Thepotemich [5.8K]
3 years ago
11

At its coldest, Mercury's surface temperature is 300

Mathematics
2 answers:
ruslelena [56]3 years ago
8 0

Answer:

This would be a negative

Musya8 [376]3 years ago
4 0

Answer:

Negative because it says ¨below zero¨ clarifying it is, indeed, a negative.

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HELPPP ME PLEASE IVE BEEN 2 hours IN THIS QUESTIONN
Harlamova29_29 [7]

9514 1404 393

Answer:

  12.9 square yards

Step-by-step explanation:

The base is an equilateral triangle, so we can assume that the three faces have the same dimensions. Each of those face triangles has an area of ...

  A = 1/2bh

  A = 1/2(3 yd)(2 yd) = 3 yd²

The base area is computed using the same formula and the given height:

  A = 1/2(3 yd)(2.6 yd) = 3.9 yd²

Then the total surface area is that of the base and the three faces:

  SA = (3.9 yd²) + 3(3 yd²) = 12.9 yd² . . . total surface area

5 0
2 years ago
In 2011, a U.S. Census report determined that 71% of college students work. A researcher thinks this percentage has changed sinc
coldgirl [10]

Answer:

Note: The full question is attached as picture below

a) Hо : p = 0.71

Ha : p ≠ 0.71

<em>p </em>= x / n

<em>p </em>= 91/110

<em>p </em>= 0.83.

1 - Pо = 1 - 0.71 = 0.29.

b) Test statistic = z

= <em>p </em>- Pо / [√Pо * (1 - Pо ) / n]

= 0.83 - 0.71 / [√(0.71 * 0.29) / 110]

= 0.12 / 0.043265

= 2.77360453

Test statistic = 2.77

c) P-value

P(z > 2.77) = 2 * [1 - P(z < 2.77)] = 2 * 0.0028

P-value = 0.0056

∝ = 0.01

P-value < ∝

Reject the null hypothesis.  There is sufficient evidence to support the researchers claim at the 1% significance level.

6 0
3 years ago
Log*subscript*(3x − 2) 4096 = 3<br><br> I got x= negative 6 is this correct??
Brut [27]
Remember

log_a(b)=c translates to a^c=b
and
log_a(b^c)=clog_a(b)
so


4096=16^3
log_{3x-2}(4096)=3
log_{3x-2}(16^3)=3
3log_{3x-2}(16)=3
divide both sides by 3
log_{3x-2}(16)=1
translate
(3x-2)^1=16
3x-2=16
add 2 to both sides
3x=18
divide both sides by 3
x=6
8 0
3 years ago
If f(x)= x^3-2x+6, find f(-2)
Marina CMI [18]
--8+4+6=2 Hope it helps :-)
5 0
3 years ago
What is the y-intercept of the quadratic function f(x) = (x – 8)(x + 3)?
frez [133]

Answer:

y-intercept is -24

Step-by-step explanation:

The solution is in the picture

8 0
3 years ago
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