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Alona [7]
3 years ago
8

Sonya and Jade are traveling from Barcelona to Madrid. They are deciding between 3 different types of transportation (bus, train

, and plane) and 2 different times (morning and evening). They each created a display to represent the sample space of randomly picking a type of transportation and a time.
Please help me!
Mathematics
1 answer:
mina [271]3 years ago
8 0

Answer:

Hey! I just got this question on Khan Academy. The answer is A) Sonya only.

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In triangle JKL, sin(b°) = three fifths and cos(b°) = four fifths. If triangle JKL is dilated by a scale factor of 2, what is ta
scoundrel [369]

Answer:

Tan(b°) = 3/4 = three fourths (C)

Step-by-step explanation:

Triangle JKL is a right angled triangle in which angle K is a right angle and angle L= b°

We would apply SOHCAHTOA from trigonometry to determine the value for each sides.

For ∆JKL

Sin(b°) = opposite/hypotenuse

Sin(b°) = 3/5

Cos(b°) = adjacent/hypotenuse

Cos(b°) = 4/5

Tan(b°) = 3/4

From the above we know the value of each sides of ∆JKL

Find attached the diagram of the above triangle (1)

∆JKL is dilated by a scale factor = 2

Meaning we would multiply each sides of ∆JKL by 2. The values of the new triangle become:

Opposite = 2(3) = 6

Adjacent = 2(4) = 8

Hypotenuse = 2(5) = 10

To find tan(b°) of the new triangle, we would apply tangent ratio

Tan(b°) = opposite/adjacent

Tan(b°) = 6/8

Tan(b°) = 3/4

Find attached the diagram for the new triangle (2)

Diagram 3 shows the drawing of both triangles together.

From the above, we can see the angle doesn't change when a shape is dilated by a scale factor.

Therefore, tan(b°) = three fourths (C)

6 0
3 years ago
Part 2: Who wants to be brainliest? Say ME for a high chance to win!
quester [9]

Answer:

Me

Step-by-step explanation:

5 0
2 years ago
List three integers and their opposites?
gulaghasi [49]
-1 1, -2 2, 3 -3. Is this what you wanted? If no tell me in comments and maybe a can help fix.
4 0
2 years ago
Read 2 more answers
?<br><br>2 to the 3rd power - 5 x (6 + 4) ÷ 2<br><br>show your work​
Delvig [45]

Answer:

-17

Step-by-step explanation:

2^3 - 5 * (6 + 4) ÷ 2

Following PEMDAS, we must focus on the parenthesis first.

2^3 - 5 * (6 + 4) ÷ 2

2^3 - 5 * (10) ÷ 2

Now we will focus on the exponent:

2^3 - 5 * 10 ÷ 2

8 - 5 * 10 ÷ 2

Now Multiplication/Division.

This is where you must follow the order in the equation where you see the multiplication sign first, so you multiply first.

8 - 5 * 10 ÷ 2

8 - 50 ÷ 2

Next, Divide:

8 - 50 ÷ 2

8 - 25

Subtract:

8 - 25

-17

2^3 - 5 * (6 + 4) ÷ 2 = -17.

4 0
3 years ago
Read 2 more answers
Find the quotient. x + 7 x ÷ 9 x
kicyunya [14]
The first step for solving this expression is to write the division as a fraction.
x + \frac{7x}{9} × x
Calculate the product.
\frac{7x X x}{9}
Remember that if a term doesn't have an exponent,, it is considered that the exponent for that term is 1. This changes the expression to the following:
\frac{7 x^{1}X x^{1}  }{9}
Now multiply the terms with the same base by adding their exponents.
\frac{7 x^{1+1}}{9}
Finally,, add the numbers together to get your final answer.
x + \frac{7 x^{2}}{9}
Let me know if you have any further questions.
:)
8 0
3 years ago
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