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NemiM [27]
3 years ago
14

I needdddd helpppppp

Mathematics
1 answer:
sergeinik [125]3 years ago
4 0
X = 15 because the two angle equations are congruent and y = -12 because the two top parallel lines are congruent
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3. In the equation below, k is a constant. If x = 9, what is the value of k?<br> Vk + 2 - x = 0
miskamm [114]
10 for sure may have
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(-10x-8)-70 (4x-11) + 46 -43(6x6) -54+ (8x5)
STatiana [176]
I feel like you just put random numbers in to waste someone time... but I did the problem any way.

7 0
3 years ago
‼️GEOMETRY‼️
ella [17]

Answer:

A.) 1018 square inches

Step-by-step explanation:

The largest sphere will have a diameter equaling the length of the cube (see picture).

If the side length of the cube is 18 inches, the diameter of the sphere is also 18 inches. Use the surface area formula for a circle:

SA=4\pi r^2

For this formula, we need the radius of the sphere. Divide the diameter by 2:

\frac{18}{2}=9

The radius is 9 inches. Plug this into the equation:

SA=4\pi *9^2

Simplify the equation:

SA=4\pi *81\\\\SA=324\pi \\\\SA=1017.87

Round the result to the nearest whole number:

1017.87 → 1018

The surface area is 1,018 inches².

:Done

Picture:

In a 2D version, we can clearly see that if the circle fits snuggly inside of the square, the diameter of a sphere is the same as the length of a side of the cube.

6 0
2 years ago
3. The following is raw data in respect to expenses incurred by a family on education from
dalvyx [7]
I don’t really understand what you have said. But I need help on my homework.
3 0
3 years ago
A treasure map says that a treasure is buried so that it partitions the distance between a rock and a tree in a 5:9 ratio. Marin
Tanya [424]
Let the coordinates of the treasure be (x,y).
Let d_{1} =  distance from the rock to the treasure.
Let d_{2} =  distance from the tree to the treasure.
 d_{1} = \sqrt{(x\2 + (y-2)^2}
d_{2} = \sqrt{(16-x)^2 + (21-y)^2}
We want \frac{ d_{1} }{ d_{2} } = 5/9 in order to locate the treasure. 

Note that 5/9 = 0.556 (approx)
Test (11.4, 14.2)
d1 = 14.8, d2 = 8.2, d1/d2 = 1.8           Incorrect
Test (7.6, 8.8)
d1 = 8.2,  d2 = 14.8,  d1/d2 = 0.554    Correct
Test (5.7, 7.5)
d1 = 6.13,  d2 = 16.98,  d1/d2 = 0.36   Incorrect
Test (10.2, 12.6)
d1 = 12.8,  d2 = 10.2,  d1/d2 = 1.255   Incorrect

Answer: The correct answer is (7.6, 8.8)
4 0
3 years ago
Read 2 more answers
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