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3 years ago

Find the measure of angle y. Round your answer to the nearest hundredth. (please type the numerical answer only) (6 points)

Mathematics

1 answer:

mamaluj [8]3 years ago

7 0

Answer:

x = 35.68533471.. degrees

Step-by-step explanation:

5-7-12 right triangle

According to Soh Cah Toa, the angle you are looking for is sin(x) = 7/12. Solve.

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zmey [24]

Answer:

Part 1) The inequality that represent this situation is $5(x+7)^{2} \geq1,050$ or $5x^{2}+70x+245 \geq1,050$

Part 2) Yes, 8 inches is a reasonable width for his tablet

Step-by-step explanation:

Part 1)

Let

L -----> the length of the screen television

W ----> the width of the screen television

x ----> the width of Andrew's tablet

we know that

$L=5W$ ------> equation A

$W=x+7$ ----> equation B

The area of the television is

$A=LW$ -----> equation C

Substitute equation A and equation B in equation C

$A=5(x+7)(x+7)$

$A=5(x+7)^{2}$

$5(x+7)^{2} \geq1,050$

$5(x^{2}+14x+49) \geq1,050$

$5x^{2}+70x+245 \geq1,050$ ------> inequality that represent this situation

Part 2) Determine if 8 inches is a reasonable width for his tablet

For x=8 in

Substitute in the inequality

$5(8+7)^{2} \geq1,050$

$5(15)^{2} \geq1,050$

$1,125 \geq1,050$ -----> is true

therefore

Yes, 8 inches is a reasonable width for his tablet

3 0

3 years ago

What is the solution to the system of equations graphed below?

Annette [7]

Yea I also don’t see a graph sorry

3 0

3 years ago

The triangles shown are congruent by the SSS congruence theorem.

denis23 [38]

1. Let's check the problem backwards. So let's map A"B"C" to ABC

2. We first need to reflect A"B"C" to A"B"C' with A"B"" as the axis of rotation.

3. Then we shift a few units up (translation) A"B"C' to A'B'C

4. Finally we rotate A'B'C around C to map the triangle onto ABC

going backwards we get the answer: b

b.rotation, then translation, then reflection

3 0

3 years ago

Read 2 more answers

Simplify 4 1/2 x 2 3/5 8 3/7 117/7 8 3/10 11 7/10

Lynna [10]

Answer:

$\frac{27}{5} = 5 \frac{2}{5}$

Step-by-step explanation:

4 1/2 × 2 3/5

9/2 × 2 × 3/5

9 × 3/5

= 27/5 = 5 2/5

8 0

3 years ago

X+y-6=0, x-y=0. What is the solution set of the system? A. (3,3) B. (-3,3) C. (3, -3)

Vedmedyk [2.9K]

Answer:

A. (3,3)

Step-by-step explanation:

8 0

3 years ago