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damaskus [11]
2 years ago
12

How many solutions does this equation have?

Mathematics
2 answers:
vodka [1.7K]2 years ago
7 0
Infinite solutions

4x-5=x-5+3x
combine like terms
4x - x -3x= 5-5
0=0
Igoryamba2 years ago
3 0
Once you simplify with the combination of like terms and “bringing the baby to the mom” (moving x), you’ll figure out that all real numbers are solutions. Hope this helps!!
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A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, t
tatyana61 [14]

The boat's travel from when it was first noticed until it stopped is 554.89 ft.

<h3>What is trigonometry?</h3>

Trigonometry is a branch of mathematics that deals with the relationship between sides and angles of a right-angle triangle.

We have:

A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly.

From the given information we can draw a right-angle triangle.

14°52' = 14 + 0.86 = 14.86 degree

45°10' = 45 + 0.16 = 45.16 degree

In the right-angle triangle ACD

tan14.86 = 200/AC

AC = 753.772 ft

In the right-angle triangle DBC:

tan45.16 = 200/CB

CB = 198.886 ft

AB = AC - CB

AB =  753.772 ft - 198.886 ft

AB = 554.886 ≈ 554.89 ft

Thus, the boat's travel from when it was first noticed until it stopped is 554.89 ft.

Learn more about trigonometry here:

brainly.com/question/26719838

#SPJ1

4 0
2 years ago
Find the domain and range of the graph
asambeis [7]

Answer:

domain= -1, 3

range = -1, 1

Step-by-step explanation: ok

4 0
3 years ago
A performer expects to sell 5000 tickets for an upcoming concert. They plan to make a total of 311,000 in sales from these ticke
dybincka [34]

Answer:

62.2x=y

Step-by-step explanation:

cost/ticket (c)

5000c = 311000

c = $62.20

7 0
2 years ago
If the volume of a sphere is 660 mm, what is the radius of the sphere, to the nearest tenth of a millimeter?
n200080 [17]

Answer:

Radius= 5.4

Step-by-step explanation:

Formula for Sphere- V= 4/3(pi)• r^3

r=(3 V/4 pi) = (3•660/4•pi)= 5.40114 (5.4)

5 0
2 years ago
WILL MARK BRAINLIEST.
charle [14.2K]

Answer:

option d

Step-by-step explanation:

The cross section of the rectangular prism is parallel to the base.

So, the length and width is congruent to the base. So, same length and width

3 0
2 years ago
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