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nasty-shy [4]
2 years ago
6

Find the coordinate plane that represents the solution of this system y > -x - 1 y + 4 ≤ x

Mathematics
1 answer:
gulaghasi [49]2 years ago
8 0

Answer:

The graph will open to the right and will be mostly in quadrant 1

Step-by-step explanation:

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a party of 145people have tea at 22tables at some tables they are 7people and 6of the others how many tables are their 7people
AlladinOne [14]
If all 22 tables had 6 people, there would be 132 people seated. There are 13 more than that, so 13 tables have 7 people.
6 0
3 years ago
X, Y and Z form the vertices of a triangle. XY = 12.4m, XZ = 10.4m and YZ = 8.7m. Find the angle ∠ YXZ rounded to 1 DP.
sweet-ann [11.9K]

Answer:

43.8°

Step-by-step explanation:

Applying,

Cosine rule,

From the diagram attached,

x² = y²+z²-2yxcos∅.................... Equation 1

where ∅ = ∠YXZ

Given: x = 8.7 m, y = 10.4 m, z = 12.4 m

Substitute these values  into equation 1

8.7² = 10.4²+12.4²-[2×10.4×12.4cos∅]

75.69 = (108.16+153.76)-(257.92cos∅)

75.69 = 261.92-257.92cos∅

collect like terms

257.92cos∅ = 261.92-75.69

257.92cos∅ = 186.23

Divide both sides by the coefficient of cos∅

cos∅ = 186.23/257.92

cos∅ = 0.722

Find the cos⁻¹ of both side.

∅ = cos⁻¹(0.7220)

∅ = 43.78°

∅ = 43.8°

6 0
2 years ago
What is 6 3/4 x 3/5<br><br> A) 54/20<br><br> B) 75/12<br><br> C) 81/20<br><br> D) 9/4
steposvetlana [31]
The answer you are looking for is C my friend
8 0
3 years ago
The sum of 4 times a number and -2 is equal to the sum of 5 times the number and -2. Find the number
MArishka [77]
4n(-2)=(5)(-2)
-8n=-10
—— —-
-8 -8

n= 5/4
n= 1 1/4

So the final answer is n= 1.25
6 0
3 years ago
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Answer: yeah jadhdkdkdkdje
8 0
3 years ago
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