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Simora [160]
3 years ago
15

Please help me on this

Mathematics
2 answers:
kenny6666 [7]3 years ago
7 0

Answer19/40=x/3.6

By cross multiplication

19*3.6=40*x

68.4 =40x

x=68.4/40

x=1.71

x=

olga2289 [7]3 years ago
4 0

Answer: C

Step-by-step explanation:

\frac{19}{40} = \frac{x}{3.6}     solve by cross product

40x = 68.4   Divide both sides by 40

x =  1.71

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Please find the slope of (-2, 4) and (3, -5)
DIA [1.3K]

Answer:

The slope of the line = m = -9/5

Step-by-step explanation:

Given the points

  • (-2, 4)
  • (3, -5)  

Determining the slope between (-2, 4) and (3, -5)

(x₁, y₁) = (-2, 4)

(x₂, y₂) = (3, -5)

Using the formula

Slope = m =  [y₂ - y₁] /  [x₂ - x₁]  

                 =  [-5 - 4] / [3 - (-2)]

                 = [-9] / [3 + 2]

                 = -9/5

Thus, the slope of the line = m = -9/5  

8 0
3 years ago
The sum of two numbers is 12 and their difference is 4. What are the two<br> numbers?
guapka [62]

Answer:

<u>8 and 4</u>

Step-by-step explanation:

8 + 4 = 12

8 - 4 = 4

4 0
3 years ago
Read 2 more answers
J= -8c^2 - 4cd - d^2 k= -3c^2 +7cd - 3d^2 j+k =
irina [24]
J=-8c²-4cd-d²
k=-3c²+7cd-3d²
j+k=
-8c²-4cd-d²-3c²+7cd-3d²
-11c²-4d²+3cd
6 0
4 years ago
Two angles are supplementary. If 5 times of one angle is 10 times of the other angle, find the two angles.
Luba_88 [7]
5x + 10x = 180
15x = 180
X = 12
5 x 12 = 60
10 x 12 = 120

The angles are 60° and 120°
7 0
3 years ago
Ratio numbers of boys and girls in a school is 5:7 . If their are 600 students total how many girls are their
Strike441 [17]
600/12 = 50 student are girls



Mark brainliest please


Hope this helps you
8 0
2 years ago
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