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nordsb [41]
2 years ago
12

I need help w the answer

Mathematics
1 answer:
Semenov [28]2 years ago
8 0

Answer:

C

Step-by-step explanation:

Took the test and got it right hope it's right

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Your answer is 7/40 or 0.175
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find the area of a parrellelogram whose base is of length 25 cm and the corresponding altitude is of length 8.4 cm​
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2 years ago
You are designing a metal sculpture that will be placed in front of your school. You sketch an initial design
choli [55]

Answer:

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Step-by-step explanation:

the length still remains the same regardless of the scale

4 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
3 years ago
PLEASE HELP! DUE TODAY! TY!
lys-0071 [83]

Answer: 12 inches

Step-by-step explanation:

4 0
2 years ago
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