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daser333 [38]
3 years ago
5

6x-2x-9=7 solve for X there both the same sumber

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
8 0
6x -2x -9= 7
⇒ 4x -9= 7
⇒ 4x= 7+ 9
⇒ 4x= 16
⇒ x= 16/4
⇒ x= 4

Final answer: x=4~
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olga55 [171]

Answer:

y=10x-170

Step-by-step explanation:

This problem can be modeled by a linear function, where we have two points (37°C, 200) and (32°C, 150).

Notice that the temperature is the independent variable, because the heartbeat of the cat won't change the temperature, it works in the opposite way.

First, let's find the constant ratio of change.

m=\frac{150-200}{32-37}=\frac{-50}{-5}=10

This means the hearbeat of the car changes 10 pulses per minute each 1 celsius degree.

Now, we use the point slope formula to find the equation

y-y_{1} =m(x-x_{1} )\\y-150=10(x-32)\\y=10x-320+150\\y=10x-170

Theerefore, the function that represents this situation is

y=10x-170

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6 0
3 years ago
Below is a pair of vectors. add them and insert your answer here: ab+bc=(-3-1)+(-4 2)=<br>​
jarptica [38.1K]

Answer:

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Step-by-step explanation:

Add the x and y values separately which is across from your screen to get the function which is (-7, 1).

8 0
2 years ago
Find the common difference for the sequence shown 1/4,5/16,3/8
Vladimir79 [104]
<span>common difference for the sequence = 1/16

cause
1/4 = 4/16
and
3/8 = 6/16

so
4/16 + 1/16 = 5/16
5/16 + 1/16 = 6/16

</span>
4 0
3 years ago
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JulsSmile [24]

Answer:

126 square inches

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The area of the figure = area of the parallelogram + area of the square + area of the rectangle

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h = 3.5 in.

Area = 10*3.5

Area = 35 in.²

✔️Area of the square = s²

s = 4 in.

Area = 4²

Area = 16 in.²

✔️Area of the rectangle = L*W

L = 12.5 in.

W = 6 in.

Area = 12.5*6

Area = 75 in.²

✅Area of the figure = 35 + 16 + 75

= 126 in.²

8 0
3 years ago
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Leviafan [203]

Answer:

the answer is 2827.4

Step-by-step explanation:

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5 0
3 years ago
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