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ira [324]
2 years ago
7

Solve elimination method 3x+4y=0 and x - 2y =-5​

Mathematics
1 answer:
Alla [95]2 years ago
5 0

Answer:

x=−2 and y=3/2

Step-by-step explanation:

see picture

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Calculate the angle of depression, x, if the boat is 850 ft. away from the lighthouse and the lighthouse is 250 ft. high. Round
trapecia [35]

Firstly , we can draw diagram

we can see that

adjacent = 850

opposite =250

so, we can use tan formula

tan(x)=\frac{250}{850}

x=tan^{-1}(\frac{250}{850})

16.38

x=16.38

so,

angle of depression is 16.38 degree........Answer

6 0
4 years ago
24% of what number 30
kenny6666 [7]

Answer:

125

Step-by-step explanation:

30*.24=125

4 0
3 years ago
Justin took a quiz with five multiple choice (A-D) and five true/false questions. How many different ways can he answer the ques
ankoles [38]

Answer:

32,768 ways

Step-by-step explanation:

True/ false questions = 5 ; number of options = 2 (True or false)

Ways of answering = 2^5 = (2 * 2 * 2 * 2 * 2) = 32

Number of Multiple choice questions = 5

Number of options (A - D) = 4 options

Ways of answering = 4^5 = (4 * 4 * 4 * 4 * 4) = 1024

32 * 1024 = 32,768 ways

4 0
3 years ago
Maria makes a fruit salad. The table shows the amounts of different kinds of fruit that she uses.
Elena-2011 [213]
Your answer is 3 1/4
3 0
2 years ago
A system of equations with a linear and quadratic equation must have one solution.
Ierofanga [76]
That is false because, this type of system can have one solution, two solutions, or no solutions. Graph both equations on the same coordinate plane. Identify the point of intersection, if any. 
Hope I Helped : )

8 0
3 years ago
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