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2 years ago

Exercise 7.8.29. [S] Flying twice as far.

Mathematics

1 answer:

dalvyx [7]2 years ago

3 0

Hey z shs d 2 , e dndbdjdbdud us ske ux he 4 670.2

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3x−12≥15 2x−5≤9 5x+8≤53 3x−5≥16

zalisa [80]

Answer:

Step-by-step explanation:

A) 3x−12≥15

3x ≥ 15 + 12

3x ≥ 27

or x≥ 9

B) 2x−5≤9

2x ≤ 9 +5

2x ≤ 14

or x ≤ 7

C) 5x+8≤53

5x ≤ 53 -8

5x ≤ 45

or x ≤ 9

D) 3x−5≥16

3x ≥ 16 + 5

3x ≥ 21

or x ≥ 7

Have a good day!

8 0

2 years ago

Change the negative exponent to a positive exponent

Ivan

I hope this picture helps.

3 0

2 years ago

Heart failure is due to either natural occurrences (86%) or outside factors (14%). Outside factors are related to induced substa

gayaneshka [121]

Given are the following data:

Heart failure causes:

84% natural occurence
16% outside factors
18 individuals (sample size)

1. What is the probability that 3 individuals have conditions caused by outside factors?

Probability = 3/18 * 0.16 = 0.0267 or 2.67%

7 0

2 years ago

Neeeeed helpppppp please

MissTica

Answer:

Scale factor = 7

Step-by-step explanation:

Dilation with scale factor to map HEFG to DABC will be,

Scale factor = $\frac{\text{Dimension of Image DABC}}{\text{Dimension of preimage HEFG}}$

= $\frac{\text{Length of CD}}{\text{Length of GH}}$

Length of CD = Distance between two points C(0, -7) and D(-7, 0)

= $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

= $\sqrt{(-7-0)^2+(0+7)^2}$

= $\sqrt{98}$

= $7\sqrt{2}$

Length of GH = Distance between G(0, -1) and H(-1, 0)

= $\sqrt{(-1-0)^2+(0+1)^2}$

= $\sqrt{2}$

Scale factor = $\frac{7\sqrt{2} }{\sqrt{2} }$

= 7

6 0

2 years ago

Select the correct answer.

Marysya12 [62]

Your answer will be A because the absolute value of -7 is 7 that is smaller than 8 8 smaller than 9 and -10 absolute value is 10 so A displayed in the right number sequence

3 0

2 years ago