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3 years ago

HELP PLEASE!!! The table gives the outside temperature in degrees Fahrenheit on a winter day in Death Valley, California..

Mathematics

2 answers:

kaheart [24]3 years ago

8 0

The answer that 1 is b

Akimi4 [234]3 years ago

4 0

It should be A
It most likely

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What is the increase in temperature that comes with an increase of 1 cycle per second in the rotation

Alex17521 [72]

Answer:

The increase in temperature is $0.8\°C$

Step-by-step explanation:

we know that

The formula to calculate the rate or slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have

$A(11,23.8)\ B(13,25.4)$

Substitute the values

$m=\frac{25.4-23.8}{13-11}$

$m=0.8\frac{\°C}{cycle\ per\ second}$

therefore

The increase in temperature is $0.8\°C$

4 0

3 years ago

PLS HELP! 6TH GRADE!

dusya [7]

Answer:

7 x 9 = 63, 63 divided by 2 = 31.5,

31.5 x 4 = 126

9 x 9 = 81

Add given areas:

126 + 81 = 207 in2 is your answer

5 0

3 years ago

Solve this system of linear equations.

yuradex [85]

A) -2, -1
(solve the second equation for x (subtract 2y to the other side, then divide by 2 so x=-y-3) then plug that equation into the x value of the first equation to get y=-1; plug y=-1 into the second equation to get x=-2)

3 0

3 years ago

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How do I solve this, pretty urgent please.

Andreas93 [3]

Answer:

Step-by-step explanation:

<u>Substitute:</u>

$x^{0.5} = y$

<u>Then the expression becomes:</u>

$(\dfrac{1+y^3}{1-y+y^2}-y) \dfrac{1-y^2}{1-y} -y=\\$
$(\dfrac{(1+y)(1-y+y^2)}{1-y+y^2}-y) \dfrac{(1-y)(1+y)}{1-y} -y=$
$(1+y-y)(1+y)-y=$
$1(1+y)-y=$
$1+y-y=$
1

The result is 1 regardless the value of x other than 1.

5 0

3 years ago

Analyzing a Function The population of bobcats in northern Arizona since 2008 can be modeled using the function b(t) = –0.32t2 +

bulgar [2K]

"b" represents the population of bobcats.

1) "t" represents the number of years after 2008.

2) The domain (t) starts at 0 (which is the year 2008) ⇒ t ≥ 0

3) The range (b) starts when t = 0. b =-0.32(0)² + 2.7(0) + 253 ⇒ b ≥ 253

4) The graph is discrete because the population must be in whole numbers.

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3 years ago

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