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saul85 [17]
3 years ago
8

Helppppp meeeeeeee I need the answer

Mathematics
1 answer:
Vanyuwa [196]3 years ago
6 0

Answer:

The answer is A

Explanation:

The short answer questions could be the x in,y=x+6.

The Points for each question on Diego's test has to add up to 100.

:)

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I think the answe is c can somebody help me out ?
Alekssandra [29.7K]
Answer:
angle V = 60 degrees
angle U = 90 degrees
angle W = 30 degrees
This is the last option

Explanation:
Part a: getting angle U:
Let's start by doing the Pythagorean check:
hypotenuse = sqrt [(side1)^2 + (side2)^2]
side1 = 3√3 and side2 = 3 cm
Substitute in the above equation:
hypotenuse = sqrt [ (3√3)^2 + (3)^2]
hypotenuse = 6 cm
This proves that the given triangle is right-angled at U
Therefore:
measure angle U = 90 degree

Part b: getting angle V:
cos theta = adjacent / hypotenuse
theta is angle V
adjacent side = 3 cm
hypotenuse = 6 cm
Therefore:
cos V = 3/6 = 1/2
V = 60 degrees

Part c: getting angle W:
We can get this using two methods:
Method 1:
Angles of triangle = 180
180 = 90 + 60 + angle W
angle W = 180 - (90+60) = 30 degrees
Method 2:
cos theta = adjacent / hypotenuse
theta is W
adjacent = 3√3 cm
hypotenuse = 6 cm
Therefore:
cos W = 3√3 / 6 = √3 / 2
W = 30 degrees

Hope this helps :)
5 0
4 years ago
Please solve question 6, doing surds
Amiraneli [1.4K]

See the attached diagram, it has all the information you need.

(a) If the green radii are all 1, then the orange diameters are all 2 + √2, so that the orange radii are (2 + √2)/2 = 1 + √2/2.

This is because we can join the radii of two adjacent green circles to form the sides of a square with side length equal to twice the radius - i.e. the diameter - of the green circles. The diagonal of any square occurs in a ratio to the side length of √2 to 1. Then we get the diameter of an orange circle by summing this diagonal length and two green radii, and hence the radius by dividing this by 2.

(b) We get the blue diameter in the same way. It has length (2 + √2) (1 + √2/2) = 3 + 2√2, so that the blue radius is (3 + 2√2)/2 = 3/2 + √2.

7 0
3 years ago
Bugs Bunny was 42 meters below ground, digging his way toward Albuquerque, when he realized he wanted to be above ground. He tur
lora16 [44]
The strategy

<span>Model the situation as a right triangle.

Determine the appropriate trigonometric ratio in order to find the missing angle.

Form an equation and solve for the missing angle.

Calculate the final result and round.
</span>
Modeling as a right triangle

This situation can be modeled by the following right triangle. The hypotenuse is 100 meters  and the height is 42 meters. <span>We are asked to find the angle of elevation, which is the angle on the left. 

</span>Determining the appropriate trigonometric ratio
We are given the side opposite to the missing angle and the hypotenuse <span>The appropriate trigonometric ratio is therefore the SINE. 
</span>
<span>Forming an equation and solving
</span>
 Denoting the missing angle by θ, we obtain the equation sin(0)= 42/100<span>

</span>Solving the equation, we get 0=sin^-^1 (42/100)

 Evaluating this result in the calculator and rounding to the nearest tenth, we get θ = 24.8^0 degrees.
3 0
4 years ago
If the rectangle below is enlarged using a scale factor of 1.5, what will be the area of the new rectangle?
Anton [14]

Answer:

31.5 square inches

Step-by-step explanation:

First, you need to enlarge each side with a scale factor of 1.5.

7 inches = 10.5 inches

2 inches = 3 inches

The new sides are 10.5 and 3 inches long. Now, you need to use these side lengths in the area formula of a rectangle.

A = Bh

A = 10.5(3)

A = 31.5 in.²

7 0
3 years ago
Graph the inequality 7&lt; y -3x &lt; 11
alexira [117]

Answer:

X=5 Y=-4

Step-by-step explanation:

4 0
3 years ago
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