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ANTONII [103]
3 years ago
10

Brittany was tracking the increasing temperature in the morning. At 8 a.m., it was 68 degrees Fahrenheit. At 10 a.m., it was 74

degrees Fahrenheit. If Brittany made the function f(x) = 3x + 36, what would the 36 represent?
A. The temperature at midnight
B. The rate the temperature was increasing
C. The length of time she recorded for
D.The total change in degrees

Mathematics
1 answer:
malfutka [58]3 years ago
4 0
Sent a picture of the solution to the problem (s).

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MatroZZZ [7]

Answer:

Step-by-step explanation:

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3 years ago
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Square root of 500 - square root if 180 + sqare root if 80
MA_775_DIABLO [31]

\sqrt{500 }  -  \sqrt{180}  +  \sqrt{80}
that is17.88
6 0
3 years ago
80 POINTS for right answer! 4 questions! Math only
34kurt
1.
A graph of linear function is a straight line.
Linear function in a slope-intercept form: y = mx + b

Answer: Equation 3: y = 12x + 17.

2.
x|-1 | 0 | 1 | ? |
y| 4 | 7 |10| ? |

a slope: m=\dfrac{y_2-y_1}{x_2-x_1}

We choose:
(-1; 4)\to x_1=-1\ and\ y_1=4\\(0;\ 7)\to x_2=0\ and\ y_2=7

subtitute:

m=\dfrac{7-4}{0-(-1)}=\dfrac{3}{1}=3

a slope-intercept form: y-y_1=m(x-x_1)

subtitute:

y-4=3(x-(-1))\\\\y-4=3(x+1)\\\\y-4=3x+3\ \ \ \ |add\ 4\ to\ both\ sides\\\\y=3x+7\ (*)

subtitute x = 2 to the equation (*):

y=3\cdot2+7=6+7=13

Answer: (2, 13)


3.
(-2; 7), (-5; 4)

the slope: m=\dfrac{4-7}{-5-(-2)}=\dfrac{-3}{-5+2}=\dfrac{-3}{-3}=1

y-7=1(x-(-2))\to y-7=x+2\ \ \ \ |add\ 7\ to\ both\ sides\\y=x+9

check other:

(-8;\ 1)\to L=1;\ R=-8+9=1;\ L=R-correct\\(-11;-2)\to L=-2;\ R=-11+9=-2;\ L=R-correct

The conclusion: It's a linear function

Answer: It is a linear function because there is a constant rate of change in both the input and output values.


4.
y = 3x + 5    /look at the picture/

Answer: It is a linear function because its graph contains the points (0, 5), (1, 8), (2, 11), which are on a straight line.

check:
(0; 5)\to L=5; R=3\cdot0+5=5;\ L=R-correct\\(1;\ 8)\to L=8;\ R=3\cdot1+5=8;\ L=R-correct\\(2;\ 11)\to L=11;\ R=3\cdot2+5=11;\ L=R-correct

8 0
3 years ago
Read 2 more answers
If a password must have two letters and three digits how many different passwords are possible? ​
Aleks [24]

Answer:

6

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP ASAP! FAST! Thank you xoxo
vredina [299]

Answers and Step-by-step explanation:

Question 8:

Since angle BCD is opposite angle DAB, this means that they are similar angles as the shape is a parallelogram, and so BCD is 115 degrees, or answer D

Question 3:

We can use process of elimination on this question - The first choice is all squares are rhombuses, which is true. The second question is all rectangles are squares, which is not true, therefore the answer is B

Question 4:

m angle 2 is equal to 106, as it is similar to question 8, and angle 3 is equal to 360 (the total degrees of the shape) - 106 - 106, then divided by 2 and divided by 2 again.

This will equal to angle 3 being 37 degrees, and the answer will be C

Question 5:

We can draw a rectangle from this graph. We can also tell that, in theory, the diagonals are the same, that rules out answer B, and also 5x-5 = x+11

We can then find out x.

+5 on both sides

5x = x+16

-x on both sides

4x = 16

x = 4.

Therefore, each of the sides will be 4+11 = 15, and the answer being C

3 0
3 years ago
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