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gayaneshka [121]
3 years ago
15

Find the equation of the linear relationship

Mathematics
2 answers:
kiruha [24]3 years ago
7 0

answer is 10---- i think

nadezda [96]3 years ago
5 0

Answer:

y = -2x + 170

Step-by-step explanation:

(30, 110)    (40, 90)                          y = mx + b

x1      y1     x2    y2                         90 = -2 (40) + b

<u>90  -  110 </u>=  <u> -20</u>   =  -2                 90 = -80 + b

40  -  30        10                           <u>+80</u>  <u> +80</u>

                                                     170 = b

really hope this helps :)

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Help me, but the answer is not E.
olga55 [171]

Answer:

40%

Step-by-step explanation:

To find the percentage difference between the families with 2 dogs and the families with no dogs, we need to find their difference first.

Difference = 45 - 27

                  = 18

Now that we know the difference, we just have to put the difference over the total as a fraction and multiply by 100%.

Percentage difference = \frac{18}{45} × 100%

                                      = 40%

8 0
3 years ago
tres amigos reinaldo, yasir y jefferson tienen como profesiones medico, ingeniero y profesor, sin que sepamos cual de ellas corr
zimovet [89]

Answer:

Reinaldo es ingeniero

Step-by-step explanation:

Por los datos del problema sabemos que Jeferson es casado. También sabemos que el profesor se casará pronto, así que:

Jeferson no es profesor

Reinaldo debe tomar el metro para visitar al médico, así que no es vecino de ninguno. Como el médico y el profesor son vecinos, entonces Reinaldo no es médico ni profesor, asi que

Reinaldo es ingeniero

Podemos saber además que si Jeferson no es profesor (ya demostrado) ni tampoco es ingeniero, entonces

Jeferson es médico

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4 0
4 years ago
What number do 64 and 100 have in common
Dafna1 [17]
The answer to this math problem is 4
6 0
3 years ago
Read 2 more answers
Find the PERIMETER and the AREA of the following figure,<br> 16 ft<br> 8 ft<br> 10 ft
Fed [463]

9514 1404 393

Answer:

  • perimeter: 36 +16√5 ft ≈ 71.777 ft
  • area: 288 ft²

Step-by-step explanation:

<u>Perimeter</u>

The perimeter is the total length of all the sides. The length of the horizontal sides is 8 ft + 10 ft = 18 ft. The length of the slant sides can be found using the Pythagorean theorem. For side length s, we have ...

  s^2 = 8^2 + 16^2

  s^2 = 64 +256 = 320

  s = √320 = 8√5

Then the perimeter is ...

  P = 2(8√5 + 18) = 36 +16√5 ≈ 71.777 . . . feet

__

<u>Area</u>

The area is given by the formula ...

  A = bh

where b is the base and h is the height.

  A = (18 ft)(16 ft) = 288 ft²

4 0
3 years ago
Question 21 of 25
Korvikt [17]

Answer:

12

Step-by-step explanation:

Coefficient is the number before the variable

3 0
3 years ago
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