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vladimir2022 [97]
3 years ago
15

Solve Using the Elimination Method. x + 6y = 17 -x + 3y = -8

Mathematics
1 answer:
vaieri [72.5K]3 years ago
8 0

Answer:

x =11,  y=1

(11,1)

Step-by-step explanation:

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Factorise xsquared+13x+12
tatiyna

Answer:

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Step-by-step explanation:

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4 years ago
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Letry. 14 Chapter 9: Chapter 9 rest Chapter Test
BaLLatris [955]

Answer:

h = 7.1 cm

Step-by-step explanation:

To find the height of the triangle, we can first find the area of the triangle using the Heron's formula:

S = \sqrt{p(p-a)(p-b)(p-c)}

Where a, b and c are the sides of the triangle and p is the semi perimeter of the triangle:

p = \frac{a+b+c}{2} = \frac{15 + 8 + 17 }{2} = 20\ cm

So the area of the triangle is:

S = \sqrt{20(20-15)(20-8)(20-17)}

S = 60\ cm^2

Now, to find the height, we can use the following equation for the area of the triangle:

S = base * height/2

The height draw in the figure is relative to the side of 17 cm, so this side is the value of base used in the formula. So we have that:

60 = 17 * h/2

h = 120/17

h = 7.06\ cm

Rounding to the nearest tenth, we have h = 7.1 cm

4 0
3 years ago
What's is the answer to this question: 7-6?
ratelena [41]
1, because, if there are 7 fishes and six leaves, then there will be one fish left
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3 years ago
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When f(n) = 34, what is the value of f(n-6)?
Mashutka [201]

Answer:

28

Step-by-step explanation:

f(n)=34, f(n-6)=34-6

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3 0
3 years ago
Solve the inequality. <br><br> 4d + 7 ≤ 23
Nesterboy [21]

Answer:

d ≤ 4

Step-by-step explanation:

4d + 7 ≤ 23

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4d ≤ 16

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4 years ago
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