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svetlana [45]
3 years ago
10

What is the measurement of angle y?

Mathematics
1 answer:
dem82 [27]3 years ago
7 0

Answer:

Step-by-step explanation:

45 Degrees.

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The area of a rectangle is 66 ft^2 and the length of the rectangle is 7 feet less than three times the width find the dimensions
Ber [7]
<h2>Length = 11</h2><h2>Width = 6</h2>

The area of a rectangle is 66 ft^2:

L * W = 66

Length of the rectangle is 7 feet less than three times the width:

L = 3W-7

Substitute L in terms of W:

(3W-7) * W = 66

Factorise the equation:

3W^2 -7W = 66

3W^2 - 7W - 66 = 0

Factors of 66 =

1 66, 2 33, 3 22, 6 11

(3W + 11) (W - 6) = 0

Solve for W:

3W + 11 = 0

3W = 11

W = 3/11

W - 6 = 0

W = 0 + 6

W = 6

Using the original equation, find L:

L = 3W-7

L = 3(6)-7

L = 18-7

L = 11

L * W = 66

11 * 6 = 66

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3 years ago
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In how many ways can 7 students be seated at 7 desks?
SCORPION-xisa [38]
If I'm not wrong I believe it would be 343 different ways.
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3 years ago
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This is test quiz for 6th grade math and I need my camera to be on so help me and first answer gets brainly
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What is the distance between (10, 6) and (-2, -3)
Helga [31]

Answer:

15 units.

Step-by-step explanation:

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√(x1-y1)^2 + (y1-y2)^2))

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√(10- -2)^2 + (6- -3)^2)

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Answer:

the correct anwser is b b cause they both are positive y intercepts

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