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slavikrds [6]
3 years ago
7

The lowest temperature ever recorded on earth was —89°C in Antarctica. The average temperature on Mars is about —55°C which is w

armer write an inequality to support your answer.

Mathematics
1 answer:
Gre4nikov [31]3 years ago
6 0

Answer:

SUP

Step-by-step explanation:

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What is the vertex of this parabola? y= 2x² + 4x +5
uranmaximum [27]

Answer:

vertex = (- 1, 3 )

Step-by-step explanation:

Given a parabola in standard form

y = ax² + bx + c ( a ≠ 0 )

Then the x- coordinate of the vertex is

x_{vertex} = - \frac{b}{2a}

y = 2x² + 4x + 5 ← is in standard form

with a = 2, b = 4, then

x_{vertex} = - \frac{4}{4} = - 1

Substitute x = - 1 into the equation for corresponding value of y, that is

y = 2(- 1)² + 4(- 1) + 5 = 2 - 4 + 5 = 3

vertex = (- 1, 3 )

6 0
3 years ago
When Maggie hooks her dog up to a rope that is staked in the yard, the dog can walk a distance of about 76 feet along the circum
pentagon [3]

Answer:

12.1

Step-by-step explanation:

76/2π

= 38/π

= 12

3 0
3 years ago
Read 2 more answers
the maximum distance D in kilometers that you can see from a height H in meters is given by the formula d equals 3.5 times the s
Irina-Kira [14]
First put the words in an algebraic format or a model. D = 3.5(√H). Now determine what the question is asking. It's height. Plug in the value of D. Distance is 35 km.
35 = 3.5(√H) We want to get H by itself. First thing to get away from it is 3.5. So                      divide 35 by 3.5 And 3.5(√h) by 3.5.
10 = √H        To get rid of √ do the opposite raise to the power of 2
10² = (√H)²   
100 = H 
You must be 100 kilometers above ground to see 35 kilometers

7 0
3 years ago
A 12-foot ladder is leaning against a wall. The bottom of the ladder is 5 feet away from the bottom of the wall. Approximately h
KonstantinChe [14]
D) 10.9

pythagorean theorem 
144=25+x^2
10.9=x
6 0
3 years ago
Read 2 more answers
Help 1000 points i will give you more this question is hard
AlexFokin [52]

Answer:

H) 2

Step-by-step explanation:

\frac {\sqrt {1 - \cos^{2}x}}{\sin x} + \frac {\sqrt {1 - \sin^{2}x}}{\cos x}

=  \frac {\sin x}{\sin x} + \frac {\cos x}{\cos x}  [since 0 < x < (π/2) and \sin^{2}x + \cos^{2}x = 1]

= (1 + 1)

= 2  

We know that in general,

by \sqrt {x} we mean the positive square root of x only.

5 0
3 years ago
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