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bezimeni [28]
3 years ago
7

If the perimeter of the rectangle is 120 inches, what is the value of x

Mathematics
2 answers:
sertanlavr [38]3 years ago
7 0

Answer: 55

Step-by-step explanation: I'm really smart, trust me

xz_007 [3.2K]3 years ago
4 0
The value of x would equal 55
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Lily's flight is delayed for 180 minutes.<br> How many hours is this?<br> 1 hours?
Elina [12.6K]
180 minutes is 3 hours.
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3 years ago
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X is directly proportional with the square root of Y. If X=128 and Y=16 find: X when Y=36 B) Y when X=48 ( HELP ASAP!)
Tems11 [23]

x = sqrt{y}k

K is the constant of proportionality.

128 = sqrt{16}k

128 = 4k

128/4 = k

32 = k

x = sqrt{y}k

x = sqrt{36}•32

x = 6 • 32

x = 192

Find y when x = 48.

x = sqrt{y}k

48 = sqrt{y}32

48/32 = sqrt{y}

(48/32)^2 = [sqrt{y}]^2

2.25 = y

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3 years ago
This list shows concentrations of carbon dioxide (in parts per million) in the Earth's atmosphere for the years 1950, 1955, 1960
Marat540 [252]

Answer:

Choice B

The mathematical model that best fits the data is a polynomial of order 2 as shown on the attachment.

The predicted global mean temperature in 2015 is; 412.24

Step-by-step explanation:

The first step is to obtain a scatter plot of the data and then fit a trend line. A quadratic polynomial fits the data well considering the large value of the coefficient of determination of 0.9984.

To determine the global mean temperature in 2015 we substitute x with 14 in the quadratic model;

y = 0.4643(14)^2 + 0.7976 (14) + 310.07

  = 412.24

7 0
2 years ago
What is the sum of the first 26 terms of the arithmetic series?
ch4aika [34]
The first term is 7, and the common difference is 4. We know this because 11-7=15-11=4. So the nth term is going to be 7+4(n-1). The 26th term will be 7+4(26-1)=7+100=107. The sum of the series is going to be (107+7)*13=1482.
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2 years ago
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Answer:

Estimate

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2 years ago
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