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nadya68 [22]
3 years ago
15

Done yay !!!!!!!!!!!!!!

Mathematics
2 answers:
Alex3 years ago
7 0

Adjacent, cosine again.

a = c cos B = 13 cos(16+45/60) = 13 cos(16.75) = 12.448

Choice a

Dahasolnce [82]3 years ago
5 0

Answer:

A

Step-by-step explanation:

cosine rule

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Please help idk what I’m doing
dsp73

Answer:

  m∠FXM = 24°

Step-by-step explanation:

This problem has a lot of extra data that has no relation to the question. You can basically ignore any business about isosceles triangles and congruent segments.

__

The only thing you need to know is the angle sum theorem:

  m∠FXM + m∠MXA = m∠FXA

Filling in the numbers, you get ...

  m∠FXM + 72° = 96°

  m∠FXM = 96° -72° = 24°

The measure of angle FXM is 24°.     (matches choice A)

8 0
3 years ago
$115. Today, the price rose to $161. Find the percentage increase.<br> $<br> ?
Svetllana [295]

Answer:

40%

Step-by-step explanation:

3 0
3 years ago
Jared buys 3 pounds of chicken at $3.15 per pound and 1 pound of broccoli at $1.40 per pound. How much will it cost to make dinn
zaharov [31]

Answer:

Cost of dinner: $10.85

Money to add: $1.40

Step-by-step explanation:

1. Calculate the cost of the chicken and broccoli: 3(3.15)+1(1.40)=$10.85

2. Subtract Jared's money from the cost of dinner: $10.85-$9.45=$1.40

4 0
3 years ago
Can anyone help me with this question please
klemol [59]

Answer:

  7.  ∠CBD = 100°

  8.  ∠CBD = ∠BCE = 100°; ∠CED = ∠BDE = 80°

Step-by-step explanation:

7. We presume the angles at A are congruent, so that each is 180°/9 = 20°.

Then the congruent base angles of isosceles triangle ABC will be ...

  ∠B = ∠C = (180° -20°)/2 = 80°

The angle of interest, ∠CBD is the supplement of ∠ABC, so is ...

  ∠CBD = 180° -80°

  ∠CBD = 100°

__

8. In the isosceles trapezoid, base angles are congruent, and angles on the same end are supplementary:

  ∠CBD = ∠BCE = 100°

  ∠CED = ∠BDE = 80°

8 0
3 years ago
I need the work and the answers
serg [7]

Answer:

.

Step-by-step explanation:

4 0
3 years ago
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