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Lena [83]
3 years ago
12

Which expressions can be used to find m angle ABC? Select two options.

Mathematics
2 answers:
qwelly [4]3 years ago
5 0

Answer:

  • cos ⁻¹ [6.3/9.8]   . . .  second choice, and
  • sin ⁻¹ [7.5/9.8] . . .  last choice.

Explanation:

The little red square indicates that the angle C measures 90°, which means that ABC is a right triangle.

The opposite side to angle C is the hypotenuse of the triangle. Then, the hypotenuse measures 9.8 in.

The requested measure, m ∠ ABC, is the measure of the angle B.

With respect to angle B you have:

  • Opposite leg: 7.5 in
  • Adjacent leg: 6.3 in

Thus, the trigonometric ratios for angle B are:

  • cos B = adjacent leg / hypotenuse = 6.3 in / 9.8 in = 6.3 / 9.8

  • sin B = opposite leg / hypotenuse = 7.5 in / 9.8 in = 7.5 / 9.8

Finally, to find the measures of angle B, you just need to find the inverse functions, which are:

  • cos ⁻¹ [6.3/9.8]   . . .  second choice, and
  • sin ⁻¹ [7.5/9.8] . . .  last choice.
Afina-wow [57]3 years ago
4 0

Answer:

b,e

Step-by-step explanation:

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➷ It would be option D.

<h3><u>✽</u></h3>

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4 0
4 years ago
Read 2 more answers
6 + 5|2x -3| ≥ 4 pls pls pls help
sattari [20]

Answer:

x is all real numbers

Step-by-step explanation:

6 + 5|2x -3| ≥ 4

The first step is to subtract 6 from each side

6 -6+ 5|2x -3| ≥ 4-6

5|2x -3| ≥ -2

Now divide each side by 5

5/5|2x -3| ≥ -2/5

|2x -3| ≥ -2/5

Absolute values are always positive.  Our absolute value is greater than a negative number.  It is always true.  X can be any number and our absolute value will still be greater than -2/5.

x is all real numbers

4 0
4 years ago
Assume Jones Manufacturing begins January with 10 units of inventory that cost $10 each. During January, the following purchases
Ratling [72]

Answer:

10.44

Step-by-step explanation:

The weighted average cost per unit method seeks to get the cost of goods sold as an average of all cost of goods in the inventory as at the time of sales.

Part of its objective is to strike a balance between the (FIFO and LIFO) inventory valuation methods.

Beginning inventory ( Jan) = 10 units

Cost of beginning inventory per unit = $10

Total cost of beginning inventory = Cost * Number of units

In this case (10*$10) = $100

Additional purchase (Jan 5) = 8 units

Cost of additional purchase per unit = $11

Total cost of additional purchase = 8 * $11 = $88

Weighted average cost per unit at the time 11 units are sold on January 7 = Total cost of units at that time / number of units available at that time.

= ($100+ $88) / (10+8)

= 188/18

=10.44 (approximated to 2 decimal places)

I hope this helps make the concept clear.

7 0
4 years ago
Solve the given equation. Round to the nearest ten-thousandth. <br><br>PLEASE HELP ME ​
Helen [10]

Answer:

0.667

Step-by-step explanation:

3x = 2

3x/3 = 2/3

x = 2/3

0.66666666666666666666666666666666666666666666666.....

Answer: 0.667

8 0
3 years ago
Write an equivalent expression to<br><br>(x+7)+3y
anyanavicka [17]

Answer:

2x+14+6y

Step-by-step explanation:

3 0
3 years ago
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