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Yakvenalex [24]
3 years ago
10

10,14,16,18,20 plz I don't understand

Mathematics
1 answer:
joja [24]3 years ago
7 0
10. b - 16.6 = -3.7.....add 16.6 to both sides
      b - 16.6 + 16.6 = -3.7 + 16.6
      b = -3.7 + 16.6
      b = 12.9

14. 18.91 = -7.9 + x.....add 7.9 to both sides
      18.91 + 7.9 = -7.9 + 7.9 + x
      26.81 = x

16. 295.8997 = -10.1k....divide both sides by -10.1
      295.8997 / -10.1 = (-10.1/-10.1)k
     - 29.297 = k

18. -94.4724 = 3.3x....divide both sides by 3.3
      - 94.4724 / 3.3 = (3.3 / 3.3)x
      - 28.628 = x

20. -29.4x = -148.764...divide both sides by -29.4
      (-29.4 / -29.4)x = - 148.764 / -29.4
      x = 5.06

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Two pears and a pineapple cost 2$. Two pears and three pineapples cost $4.50. Find the cost of a pineapple. If anyone could help
Assoli18 [71]
A pineapple costs $2.50
6 0
3 years ago
What is the slope of a line that passes through the points (-2,3) and (4,-12)
posledela

Answer:

m = -5/2

Step-by-step explanation:

Solve for slope with the following equation:

<em>m </em>(slope) = (y₂ - y₁)/(x₂ - x₁)

Let:

(4 , -12) = (x₁ , y₁)

(-2 , 3) = (x₂ , y₂)

Plug in the corresponding numbers to the corresponding variables:

<em>m </em>= (3 - (-12))/(-2 - 4)

<em>m</em> = (3 + 12)/(-2 - 4)

<em>m </em>= (15)/(-6)

Simplify the slope:

<em>m</em> = -(15/6) = -5/2

-5/2 is your slope.

~

6 0
4 years ago
Read 2 more answers
What is the value of x in the rhombus below?<br> O A. 17<br> O B. 35<br> O C. 53<br> O D. 37
Trava [24]

Answer:

∴ x= 17

Step-by-step explanation:

the total of angel in 90°

∴ 2x+3+3x+2 =90

∴ 5x +5 =90

  5x=90-5

  5x = 85  (divide both side by 5)

∴ x= 17

3 0
3 years ago
-1/3 + y =-5 help me pls I'm confused
Maurinko [17]
Y=-5+1/3
Y=-4.66..
Hope it helps pls thank
4 0
3 years ago
HELP PLEASE!
Anna [14]

Answer: y= -7

Step-by-step explanation:

Zero slope are horizontal lines. Horizontal lines have the equation Y= a number. That number is the y value of the point.

5 0
4 years ago
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