3 years ago

A representative for a soup company conducted a survey

Mathematics

1 answer:

Alika [10]3 years ago

5 0

Answer:

Step-by-step explanation:

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atroni [7]

You need to show the graph

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3 years ago

A surveyor wants to know the length of a tunnel built through a mountain. According to his equipment, he is

MrMuchimi

Answer:

Length of the tunnel is 51.7 meters

Step-by-step explanation:

We are given that,

The surveyor is located 54 meters from one entrance at an angle of 56°.

The surveyor is located 31 meters from one entrance at an angle of 13°.

Let the length of the tunnel = x meters

So, using the law of cosines, we get,

$x^2=54^2+31^2-2\times 54\times 31\times \cos 69$

i.e. $x^2=2916+961-3348\times 0.3584$

i.e. $x^2=3877-1199.9$

i.e. $x^2=2677.1$

i.e. x = 51.7 meters

Hence, the length of the tunnel is 51.7 meters

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3 years ago

Which binary value is equal to the decimal number 210?

Brums [2.3K]

210 is 11010010 in binary form

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2 years ago

You invested $20,000 in two accounts paying 7% and 8% annual interest, respectively. If the total interest earned for the year

sasho [114]

Answer:

$7,000 at 7%; $13,000 at 8%

Step-by-step explanation

x: the amount invested at 7%

y: the amount invested at 8%

x + y = 20,000

7%.x + 8%.y = 1,530

⇒ x =7,000

y = 13,000

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3 years ago

Evaluate A2 for A = 2.3.

grandymaker [24]

So simply we are putting values in equation A2 A=2.3 So A2 means 2.3 × 2.3 The answer is 5.29

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3 years ago