Please help me I don’t understand …

X=90°

Y=58°

Z=32°

Step-by-step explanation:

X=180°-90°=90°

Y=180°-90°-32°=58°

Z=180°-58°-90°=32°

x = 90°, y = 58°, z = 32°

Step-by-step explanation:

The angles in a square = 90° , then

x = 90° ( adjacent angle )

The sum of the 3 angles in a triangle = 180° , then

x + y + 32° = 180° , that is

90° + y + 32° = 180°

y + 122° = 180° ( subtract 122° from both sides )

y = 58°

y + 90° + z = 180° ( straight angle )

58° + 90° + z = 180°

148° + z = 180° ( subtract 148° from both sides )

z = 32°

step-by-step explanation:

part a. the differences are decreasing, so we know the sequence is not arithmetic. the ratios are constant (=3/4), so we know the sequence is geometric.

part b. from part a, we know the common ratio is 3/4, so each term is 3/4 of the one before. the initial term is the number of gallons at h=1.

g[h] = (3/4)·g[h-1]

g[1] = 384 . . . . initial value required for a recursive definition

part c. the general formula for a geometric sequence is

a[n] = a[1]·r^(n-1)

we have a[1] = 384, r = 3/4, and the term number given by h. the formula that follows is

g[h] = 384·(3/4)^(h-1)

part d. filling in the value and doing the arithmetic, we have

g[12] = 384·(3/4)^11 ≈ 384·0.042235136 ≈ 16.2183 . . gallons

part e. each gallon is 4 quarts, so

16.2183 gal × 4 qt/gal = 64.8732 qt

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